Manuale d’uso / di manutenzione del prodotto IXP42X del fabbricante Intel
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Order Number: 252 480-006US Intel ® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor Developer’s Manual September 2006.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 2 Order Number: 252480-006US Legal Lines and Discla ime rs INFORMA TION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH IN TEL® PRODUCTS.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 3 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor Contents 1.0 Introduction .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 4 Order Number: 252480-006US 3.4 Data Cache ........
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 5 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 3.6.11.2 SELDCSR JTAG Re gister .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 6 Order Number: 252480-006US 3.9.1 Interru pt Latency .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 7 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 6.3 Initializing PCI Controller Configuration and Status Registers for Data Transactions .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 8 Order Number: 252480-006US 6.14.2.1 1DMA Control Reg ister .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 9 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 8.9 Register Descriptions .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 10 Order Number: 252480-006US 11.2.1 Monitored Events So uth AHB and North AHB .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 11 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 14.4.9 Timer Status...
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 12 Order Number: 252480-006US 15.2.45 Unicast Address 6 .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 13 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 18.5.2.5 Sent Stall (SST).
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 14 Order Number: 252480-006US 18.5.9.1 Receive FIFO Service (RFS) .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 15 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 18.5.15.6 B it 5 Reserv ed .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 16 Order Number: 252480-006US 18.5.27. 1 Endpoint 9 Byte Count (BC[7:0]) .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 17 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 21.3 Functional Descriptio n .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 18 Order Number: 252480-006US 35 Initiated PCI TYPE 0 Configuration Read Cycle .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 19 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 86 T1 Transmit Frame .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 20 Order Number: 252480-006US 38 TX RX Control Re gister (TXRXCTRL) .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 21 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor 93 Pipelines and P ipe Stages .
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 22 Order Number: 252480-006US 148 Processors’ with Etherne t Interface .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 23 —Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Pr ocessor Revision History Date Revision Description September 2006 006 1.
Intel ® IXP42X Product Line of Network Proce ssors and IXC1100 Control Plane Processor— Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 25 —Intel ® IXP42X Product Line of Network Proces sors and IXC1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Introduction Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 26 Order Number: 252480-006US 1.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 27 Introduction—Intel ® IXP42X product line and IXC1100 control pla ne processors 1.3.2 A cronyms an d Terminology Table 1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Introduction Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 28 Order N.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 29 Introduction—Intel ® IXP42X product line and IXC1100 control.
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 30 Order Number: 252480-006US 2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 31 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors Figure 1.
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 32 Order Number: 252480-006US Figure 2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 33 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors Figure 3.
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 34 Order Number: 252480-006US Figure 4.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 35 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors 2.
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 37 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors 2.
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 38 Order Number: 252480-006US 2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 39 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors 2.
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 40 Order Number: 252480-006US communicated to the NPEs via the flag bus.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 41 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors The memory controller only supports 32-bit me mory .
Intel ® IXP42X product line and IXC1100 control plane processors—Overview of Product Line Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 42 Order Number: 252480-006US 2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 43 Overview of Product Line—Intel ® IXP42X produc t line and IXC1100 control plane processors For m ore information on the timers, see Section 14.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 44 Order Number: 252480-006US 3.0 Intel XScale ® Processor This chapter provides functional descriptions of th e Intel XScale ® Processor.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 45 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 46 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 47 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 48 Order Number: 252480-006US 3.1.3 MMU Control 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 49 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.1.3.3 Locking Entries Individual entries can be locked into th e instruction and data TLBs.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 51 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 52 Order Number: 252480-006US Only entries 0 through 30 can be locked in ei ther TLB; entry 31can never be locked.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 53 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors A fetched line will be written into the cache if it is cacheable.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 54 Order Number: 252480-006US • A fetch buffer is allocated • The instruction cache sends a fetch request to the external bus.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 55 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 56 Order Number: 252480-006US The entire instruction cache along with the fetch buffers are invalidated by writing to coprocessor 15, register 7.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 57 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors As a result: no fetches of cacheable code should occur while locking instructions into the cache.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 58 Order Number: 252480-006US The Intel XScale processor provides a global unlock command for the instruction cache.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 59 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 61 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors a cacheable write miss when write allocate is specified by its page attribute.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 62 Order Number: 252480-006US The Intel XScale processor employs an eight entry write buffer , each entry containing 16 bytes.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 63 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors caching is specified for that area of memory .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 65 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 66 Order Number: 252480-006US A simple software routine is used to globally clean the data cache.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 67 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors Example 9.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 69 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors Example 10.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 70 Order Number: 252480-006US Example 11.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 71 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 73 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors All reads and writes to external memory o ccur in progr am order when coalescing is disabled in the write buffer .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 74 Order Number: 252480-006US Unless otherwise noted, unused bits in coprocessor registers have unpredictable v alues when read.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 75 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 76 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 77 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 79 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.5.1.3 Register 2: Translation Table Base Register Table 13.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 80 Order Number: 252480-006US 3.5.1.4 Register 3: Do main Access Control Register 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 81 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.5.1.7 Register 6 : Fault Address Register 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 82 Order Number: 252480-006US The line-allocate command allocates a tag into the data cache specified by bits [31:5] of Rd.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 83 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors Ta b l e 2 0 shows the command for locking down entries in the instruction and data cache.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 84 Order Number: 252480-006US 3.5.1.12 Register 11-1 2: Reserved These registers are reserve d.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 85 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 86 Order Number: 252480-006US Example 12. Disallowing access to CP0 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 87 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 88 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 89 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors • Debug Handler SW re quirements and sugge stions 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 90 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 91 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 92 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 93 Intel XScale ® Processor—Intel ® IXP42X product li ne and I.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 95 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors • Instruction breakpoint • BKPT instruction The processor ignores vector traps during monitor mode.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 97 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors When DBR1 is progr ammed as a data address mask, it is used in conjunction with the address in DBR0.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 99 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.6.8.1 RX Register Ready Bit (RR) The debugger and debug handler use the RR bit to synchronize accesses to RX.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 100 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 101 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 102 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 103 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 104 Order Number: 252480-006US 3.6.11.2.1 DBG.H LD_RST The debugger uses DBG.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 105 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 106 Order Number: 252480-006US A Capture_DR loads the TX register value into DBG_SR[34:3] and TXRXCTRL[28] into DBG_SR[0].
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 107 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors The captured data is scanned out during the Shift_DR state.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 108 Order Number: 252480-006US 3.6.11.6.3 DBG.RR The debugger uses DBG.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 109 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.6.11.6.5 DBG.RX DBG.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 110 Order Number: 252480-006US Any access to the tr ace buffer registers in User mode will cause an undefined instruction exception.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 111 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.6.12.1.2 Trace Buffer Register (TBREG) The trace buffer is read thr ough TBREG, using MRC and MCR.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 112 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 113 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors of the instruction not matching the CC flags.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 114 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 115 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors The trace buffer must be initialized prior to its initial usage, then again prior to each subsequent usage.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 116 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 117 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 118 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 119 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors All pack ets are 33 bits in length.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 121 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 2.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 122 Order Number: 252480-006US As shown in Figure 27 , reset does not inv alidate the instruction cache because of the processor is in Halt Mode.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 123 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 124 Order Number: 252480-006US that line. F ailure to invalidate a line prior to writing it may cause unpredictable operation by the processor .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 125 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 126 Order Number: 252480-006US Another possibility is for a more complete de bug handler is downloaded during reset.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 127 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors While the processor is still in reset, the debu gger should set up the DCSR to trap the reset vector .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 129 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 131 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors The download bit acts as a br anch flag, signalling to the handler to continue with the download.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 132 Order Number: 252480-006US These actions ensure that the application progr am executes correctly after the debugger has been disconnected.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 133 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 134 Order Number: 252480-006US 3.7.2 Register Description 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 135 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 136 Order Number: 252480-006US 3.7.2.4 Interrupt Enable Register (INTEN) Each counter can generate an interrupt request when it ov erflows.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 137 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.7.2.6 Event Select Reg ister (EVTSEL) EVTSEL is used to select events fo r PMN0, PMN1, PMN2 and PMN3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 138 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 139 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.7.4 Performance Monitoring Events Ta b l e 6 0 lists events that may be monitored.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 141 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 142 Order Number: 252480-006US • T otal number of data write-back re quests to external memory can be derived solely with PMN1.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 143 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 144 Order Number: 252480-006US In the contrived example above, the instru ction cache had a miss-rate of 5% and CPI was 2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 145 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.8.2.2 26-Bit Architecture The Intel XScale processor does not support 26-bit architecture.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 146 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 147 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors T wo new fields were created for this format, acc and opcode_3 .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 148 Order Number: 252480-006US MIA does not support unsigned multiplication; all values in Rs and Rm will be interpreted as signed data values.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 149 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors The MIAxy instruction performs one16-bit signed multiply and accumulates these to a single 40-bit accumulator .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 151 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 152 Order Number: 252480-006US This instruction executes in any processor mode.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 153 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors The TEX (T ype Extension) field is present in sever al of the descriptor types.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 154 Order Number: 252480-006US When setting multiple CP15 registers, system software may opt to delay the assurance of their update.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 155 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 156 Order Number: 252480-006US 3.8.3.4.4 Data Ab orts T wo types of data aborts exist in the Intel XScale processor: precise and imprecise.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 157 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 158 Order Number: 252480-006US If a system design precludes events that could cause external abo rts, then such precautions are not necessary .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 159 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.8.3.4.6 Debug Events Debug ev ents are cov ered in “Debug Ex ceptions” on page 92 .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 161 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 162 Order Number: 252480-006US the code fragment, there is a result dependency between the UMLAL instruction and the SUB instruction.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 163 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 165 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.9.4.5 Saturated Arithmetic Instructions h 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 166 Order Number: 252480-006US 3.9.4.8 Sema phore Instructions 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 167 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.9.4.10 Miscellaneous Instruction Timing 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 168 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 169 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 171 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.10.2.2.2 Pi peline Stalls The progress of an instruction can stall anyw here in the pipeline.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 172 Order Number: 252480-006US The ID unit decodes the instruction and specifies which registers are accessed in the RFU.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 173 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 175 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.10.3.1.2 Optimizing Branches Branches decrease application performance by indirectly causing pipeline stalls.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 177 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 178 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 179 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 180 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 181 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 182 Order Number: 252480-006US 3.
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Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 185 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.10.4.3.2 Memory Page Thrashing Memory page thrashing occurs because of th e nature of SDRAM.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 186 Order Number: 252480-006US 3.10.4.4.4 Bandwidth Limitations Overuse of prefetches can usurp resources and degr ade performance.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 187 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors In the above code, data is read from both arr ays a and b, but a and b are not spatially close.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 188 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 189 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors Unfortunately , prefetch loop unrolling does not work on loops with indeterminate iterations.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 190 Order Number: 252480-006US Note the order reversal of the prefetches in relationship to the usage.
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Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 192 Order Number: 252480-006US Note that this rearrangement ma y not be always po ssible.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 193 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors In the code sample above, the AD D and the LDR instruction can be moved before the MOV instruction.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 194 Order Number: 252480-006US sequentially should not exceed four .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 195 Intel XScale ® Processor—Intel ® IXP42X product li ne and IXC1100 control plane p rocessors 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 197 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 198 Order Number: 252480-006US The MAR ( MCRR ) instruction has an iss ue latency , a result latency , and a resource latency of two cycles.
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Intel ® IXP42X product line and IXC1100 co ntrol plane processors—Intel XScale ® Processor Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 200 Order Number: 252480-006US 3.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 201 Intel XScale ® Processor—Intel ® IXP42X product li ne and .
Intel ® IXP42X product line and IXC1100 contro l pl ane processors—Network Processor Engi nes (NPE) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 202 Order Number: 252480-006US 4.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 203 Network Processor Engines (NPE)—Intel ® IXP42X product line and IXC1100 control plane processors are difficult for a processor to implement.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Internal Bus Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 204 Order Number: 252480-006US 5.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 205 Internal Bus—Intel ® IXP42X product line and IXC1100 control plane processors The arbiters also have the capability to handle split tr ansfers.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Internal Bus Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 206 Order Number: 252480-006US Table 96.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 207 Internal Bus—Intel ® IXP42X product line and IXC1100 contro.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 208 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 209 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s Figure 30. Processors’ PCI Bus Configured as a Host Figure 31.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 210 Order Number: 252480-006US The IXP42X product line and IXC1100 control plane processors PCI Controller block diagram is giv en in Figure 32 .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 211 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 212 Order Number: 252480-006US pre-fetch CSR mechanism. R e fer to “PCI C ontroller Configured as Host” on page 213 for additional details.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 213 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 214 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 215 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 216 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 217 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s memory transactions with no adverse side effects to reads.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 218 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 219 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 220 Order Number: 252480-006US processors.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 221 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s — BAR4 = 0xA 4000 000 — BAR5 = 0xA 5123 400 3.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 222 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 223 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 224 Order Number: 252480-006US 1. An AHB master that wants to write a particular PCI Configuration Register w rites PCI_CRP_AD_CBE register first.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 225 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 226 Order Number: 252480-006US T arge t Interface is used to accept transaction request from other AHB Masters.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 227 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 228 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 229 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 230 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 231 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 232 Order Number: 252480-006US implemented on the IXP42X product line an d IXC1100 control plane processors.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 233 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 234 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 235 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 236 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 237 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 238 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 239 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s PCI_PT ADM A0/1_LENGTH registers respectively .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 240 Order Number: 252480-006US The PCI Door Bell R egister (PCI_PCIDOORBELL ) register can only be written by the AHB.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 241 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 242 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 243 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s Figure 47.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 244 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 245 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s Figure 49.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 246 Order Number: 252480-006US As described previously , during DMA transfer s the DS bit in the DMA length registers controls byte-lane routing.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 247 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 248 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 249 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 3. W ait 1ms to satisfy minimum reset assertion time of the PCI specification.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 250 Order Number: 252480-006US 6.14.1.1 Device ID/Vendor ID Register (PCI_DIDVID) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 251 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s Register PCI_SRCR (Sheet 1 of 2) Bits Name Description Reset Value PCI Access AHB Access 31 DPE Detected Parity Error .
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 252 Order Number: 252480-006US 6.14.1.3 Class Code/Revision ID Register (PCI_CCRID) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 253 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 254 Order Number: 252480-006US 6.14.1.6 Base Address 1 Register (PCI_BAR1) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 255 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.1.8 Base Address 3 Register (PCI_BAR3) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 256 Order Number: 252480-006US 6.14.1.10 B ase Address 5 Register (PCI_BAR5) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 257 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.1.12 Max_Lat, Min_Gnt, Interrup t Pin, and Interrupt Line Register (PCI_LATINT) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 258 Order Number: 252480-006US 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 259 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.2.1 PCI Controller No n- pre-fetch Address Register (PCI_NP_AD) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 260 Order Number: 252480-006US 6.14.2.3 PC I Co ntroller Non-Pr e-fetch Write Data Register (PCI_NP_WDATA) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 261 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 262 Order Number: 252480-006US 6.14.2.7 PCI Controller Configurat ion Port Read Data Register (PCI_CRP_RDATA) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 263 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.2.9 PCI Controller Interrupt Status Register (PCI_ISR) 4A B E AHB big-endian addr essing.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 264 Order Number: 252480-006US 6.14.2.10 PCI Controller In terrupt Enable Register (PCI_INTEN) 2P P E PCI Parity Err or .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 265 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 266 Order Number: 252480-006US 6.14.2.12 AHB Memory Base Address Register (PCI_AHBMEMBASE) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 267 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.2.14 PCI Memory Base Ad dress R egister (PCI_PCIMEMBASE) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 268 Order Number: 252480-006US 6.14.2.16 PCI Doorbell Register (PCI_PCIDOORBELL) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 269 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.2.18 AHB to PCI DMA PCI Address Register 0 (PCI_ATPDMA0_PCIADDR) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 270 Order Number: 252480-006US 6.14.2.20 AH B to PCI DMA AHB Address Register 1 (PCI_ATP DMA1_AHB ADDR) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 271 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.2.23 PCI to AHB DMA AHB Address R egister 0 (PCI_PTADMA0_AHBADDR ) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 272 Order Number: 252480-006US 6.14.2.25 PC I to AHB DMA Length Register 0 (PCI_PTADMA0_LENGTH) 6.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 273 PCI Cont roller— Intel ® IXP42X product line and IXC1100 control plane processor s 6.14.2.27 PCI to AHB DMA PCI Address Register 1 (PCI_PTADMA1_PCIADDR) 6.
Intel ® IXP42X product line and IXC1100 co ntrol plane processors—PCI Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 274 Order Number: 252480-006US § § 28 DS Data Swap indicator .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 275 PCI Cont roller— Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 276 Order Number: 252480-006US 7.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 277 SDRAM Controller—Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 278 Or.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 279 SDRAM Controller—Intel ® IXP42X product line and IXC1100 control plane proc essors After decoding is complete, the SDRAM Controller completes the read or write transaction to the SDRAM.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 280 Order Number: 252480-006US to-data delay will be initialized to two clocks.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 281 SDRAM Controller—Intel ® IXP42X product line and IXC1100 control plane proc essors An example of configuring the SDRAM Configur a tion (SDR_CONFIG) R egister is shown below: 1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 282 Or.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 283 SDRAM Controller—Intel ® IXP42X product line and IXC1100 control plane proc essors 7.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 284 Or.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 285 SDRAM Controller—Intel ® IXP42X product line and IXC1100 control plane proc essors 7.3 SDRAM Memory Accesses 7.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 286 Order Number: 252480-006US 7.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 287 SDRAM Controller—Intel ® IXP42X product line and IXC1100 control plane proc essors 7.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 288 Order Number: 252480-006US 7.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 289 SDRAM Controller—Intel ® IXP42X product line and IXC1100 control plane proc essors A “set mode register ” command would write the following to the SDRAM.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—SDRAM Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 290 Order Number: 252480-006US These are the commands issued by the memo ry controller to the SDRAM and are not accessible through the AHB (i.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 291 SDRAM Controller—Intel ® IXP42X product line and IXC1100 co.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 292 Order Number: 252480-006US 8.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 293 Expansion Bus Controller—Intel ® IXP42X product line and IX.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 295 Expansion Bus Controller—Intel ® IXP42X product line and IX.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 296 Order Number: 252480-006US Table 118.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 297 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.4 Expansion Bus Connecti ons Figure 60 shows a typical connection for various devices connected on the expansion bus.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 298 Order Number: 252480-006US 8.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 299 Expansion Bus Controller—Intel ® IXP42X product line and IX.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 301 Expansion Bus Controller—Intel ® IXP42X product line and IX.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 302 Order Number: 252480-006US The T4 (Hold Timing) period is the time interval in which Chip Select will be held after READ is deasserted.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 303 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 304 Order Number: 252480-006US The byte identification signal, EX_HBIL, is used to determine the byte transfer order .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 305 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8 Expansion Bus Interfac e Access Timing Diagrams 8.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 306 Order Number: 252480-006US 8.8.2 Intel ® Multiplexed-Mode Read Access Figure 64.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 307 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8.3 Intel ® Simplex-Mode Write Acce ss Figure 65.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 308 Order Number: 252480-006US 8.8.4 Intel ® Simplex-Mode Read Access Figure 66.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 309 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8.5 Motorola* Multiplexed-Mode Write Access Figure 67.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 310 Order Number: 252480-006US 8.8.6 Motorola* Multiple xed-Mode Read Access Figure 68.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 311 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8.7 Motorola* Simple x-Mode Write Access Figure 69.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 312 Order Number: 252480-006US 8.8.8 Motorola* Simplex-Mode Read Access Figure 70.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 313 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8.9 TI* HPI-8 Write Access Figure 71.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 314 Order Number: 252480-006US 8.8.10 TI* HPI-8 Read Access Figure 72.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 315 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8.11 TI* HPI-16, Multip lexed-Mode Write Access Figure 73.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 316 Order Number: 252480-006US 8.8.12 TI* HPI-16, Multiplexed-Mode Read Access Figure 74.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 317 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.8.13 TI* HPI-16 Simplex-Mode Write Access Figure 75 .
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 318 Order Number: 252480-006US 8.8.14 TI* HPI-16 Simplex-Mode Read Access Figure 76.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 319 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.9 Regi ster Descriptio ns 8.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 320 Order Number: 252480-006US 8.9.3 Timing and Control Regi sters for Chip Select 2 8.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 321 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors 8.9.6 Timing and Control Registers for Chip Select 5 8.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 322 Order Number: 252480-006US 8.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 323 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors These configuration bits are made av ailable to the system as outputs from the Expansion Bus Controller block.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 325 Expansion Bus Controller—Intel ® IXP42X product line and IXC1100 control plane processors Only two bits in Configuration R egister 1 are currently defined.
Intel ® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 326 Order Number: 252480-006US 8.10 Expansion Bus Controller Per formance Ta b l e 1 2 7 shows simulated expansion bus throughput.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 327 Expansion Bus Controller—Intel ® IXP42X product line and IX.
Intel ® IXP42X product line and IXC1100 cont rol pl ane processors—AHB/APB Bridg e Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 328 Order Number: 252480-006US 9.0 AHB/APB Bridge The APB Bridge is used to connect the high-speed AHB to the lower-speed peripherals connected to the APB.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 329 AHB/APB Bridge—I ntel ® IXP42X product line and IXC1100 control plane processors Figure 77.
Intel ® IXP42X product line and IXC1100 cont rol pl ane processors—AHB/APB Bridg e Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 330 Order Number: 252480-006US § § Table 128.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 331 AHB/APB Bridge—I ntel ® IXP42X product line and IXC1100 con.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 332 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 333 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 334 Order Number: 252480-006US Figure 79.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 335 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 336 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 337 Universal Asynchronous Receiver Transceiver (UART)—Intel ® .
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 338 Order Number: 252480-006US The Line-Control Register is initialized to hexadecimal 0x00 after reset.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 339 Universal Asynchronous Receiver Transceiver (UART)—Intel ® .
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 341 Universal Asynchronous Receiver Transceiver (UART)—Intel ® .
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 342 Order Number: 252480-006US Receive Interface.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 343 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors The error flags position will remain consta nt, independent of the character size.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 345 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 346 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 347 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 349 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 350 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 351 Universal Asynchronous Receiver Transceiver (UART)—Intel ® .
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 352 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 353 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 354 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 355 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 356 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 357 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 358 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 359 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 360 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 361 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors Table 137.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 362 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 363 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 365 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 366 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 367 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 368 Order Number: 252480-006US 10.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 369 Universal Asynchronous Receiver Transceiver (UART)—Intel ® IXP42X product line and IXC1100 control plane processors 10.
Intel ® IXP42X product line and IXC1100 control plane processors—Universal Asynchronous Receiver Transceiver (UART) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 371 Universal Asynchronous Receiver Transceiver (UART)—Intel ® .
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 372 Order Number: 252480-006US 11.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 373 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IX.
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Proc.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 375 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IX.
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 376 Order Number: 252480-006US Table 142.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 377 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IXP42X product line and IXC11 00 control plane processors 11.
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 378 Order Number: 252480-006US 11.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 379 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IXP42X product line and IXC11 00 control plane processors Register ESR Bits Name Descrip tion 31:23 (Reserv ed).
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 380 Order Number: 252480-006US Table 144.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 381 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IXP42X product line and IXC11 00 control plane processors 11.
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 382 Order Number: 252480-006US 11.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 383 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IXP42X product line and IXC11 00 control plane processors 11.
Intel ® IXP42X product line and IXC1100 control plane processors—Internal Bus Performance Monitoring Unit (IBPMU) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 384 Order Number: 252480-006US 11.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 385 Internal Bus Performance Monitoring Unit (IBPMU)—Intel ® IX.
Intel ® IXP42X product lin e and IXC1100 control plane proc essors—General Purpose Input/ Output (GPIO) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 386 Order Number: 252480-006US 12.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 387 General Purpose Input/Output (GPIO)—Intel ® IXP42X product .
Intel ® IXP42X product lin e and IXC1100 control plane proc essors—General Purpose Input/ Output (GPIO) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM S.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 389 General Purpose Input/Output (GPIO)—Intel ® IXP42X product .
Intel ® IXP42X product lin e and IXC1100 control plane proc essors—General Purpose Input/ Output (GPIO) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 390 Order Number: 252480-006US Table 146.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 391 General Purpose Input/Output (GPIO)—Intel ® IXP42X product .
Intel ® IXP42X product lin e and IXC1100 control plane proc essors—General Purpose Input/ Output (GPIO) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 392 Order Number: 252480-006US 12.4.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 393 General Purpose Input/Output (GPIO)—Intel ® IXP42X product line and IXC1100 control plane processors 12.
Intel ® IXP42X product lin e and IXC1100 control plane proc essors—General Purpose Input/ Output (GPIO) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 394 Order Number: 252480-006US 12.4.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 395 General Purpose Input/Output (GPIO)—Intel ® IXP42X product line and IXC1100 control plane processors 12.4.7 GPIO Clock Register (GPCLKR) This register controls the use of GPIO15 and GPIO14 as clock outputs.
Intel ® IXP42X product lin e and IXC1100 control plane proc essors—General Purpose Input/ Output (GPIO) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM S.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 397 General Purpose Input/Output (GPIO)—Intel ® IXP42X product .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Interrupt Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 398 Order Number: 252480-006US 13.0 Interrupt Controller The Interrupt Controller takes as inputs 32 individual interrupts.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 399 Interrupt Controller—Intel ® IXP42X product line and IXC110.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Interrupt Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 400 Order Number: 252480-006US For instance, interrupt n umber 0 is disabled and an interrupt occurs on interrupt number 0.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 401 Interrupt Controller—Intel ® IXP42X product line and IXC110.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Interrupt Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 402 Order Number: 252480-006US 13.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 403 Interrupt Controller—Intel ® IXP42X product line and IXC110.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Interrupt Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 404 Order Number: 252480-006US 13.5.2 Interrupt-Enable Register 13.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 405 Interrupt Controller—Intel ® IXP42X product line and IXC1100 control plane processors 13.5.6 Interrupt Pr iority Register 13.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Interrupt Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 406 Order Number: 252480-006US 13.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 407 Interrupt Controller—Intel ® IXP42X product line and IXC110.
Intel ® IXP42X product line and IXC1100 control plane processors—Timers Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 408 Order Number: 252480-006US 14.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 409 Timers— Intel ® IXP42X product line and IXC1100 co ntrol pl.
Intel ® IXP42X product line and IXC1100 control plane processors—Timers Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 410 Order Number:.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 411 Timers— Intel ® IXP42X product line and IXC1100 co ntrol plane processors 14.4 Timer Register Definition 14.4.
Intel ® IXP42X product line and IXC1100 control plane processors—Timers Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 412 Order Number: 252480-006US 14.4.3 General-Purpose Timer 0 Reload 14.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 413 Timers— Intel ® IXP42X product line and IXC1100 co ntrol plane processors 14.4.5 General-Purpo se Timer 1 Relo ad 14.
Intel ® IXP42X product line and IXC1100 control plane processors—Timers Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 414 Order Number: 252480-006US 14.4.7 Watch-Dog Enable Register 14.4.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 415 Timers— Intel ® IXP42X product line and IXC1100 co ntrol plane processors 14.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 416 Order Number: 252480-006US 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 417 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors One Management Data Interface is shared between the two MII interfaces.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 418 Order Number: 252480-006US •M I I I n t e r f a c e • Management Data Interface 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 419 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c .
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 420 Order Number: 252480-006US 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 421 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c .
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 422 Order Number: 252480-006US T ransmit Control R egister 1 can be accessed directly .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 423 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c .
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 424 Order Number: 252480-006US Broadcast frames can be dropped and prevented from being sent to the NPE.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 425 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors (assuming bit 1 of R eceive Control R egister 1 is set to logic 1) and capture the remaining data.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 426 Order Number: 252480-006US The physical interface clock speed will be di vided by the host-side clock speed and then rounded to the nearest whole number .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 427 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2 Register Descriptions The internal registers shown below are accessible via the APB bus interface.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 428 Order Number: 252480-006US 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 429 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2.2 Transmit Control 2 15.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 430 Order Number: 252480-006US 15.2.4 Receive Control 2 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 431 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2.6 Threshold For Partially Empty 15.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 432 Order Number: 252480-006US 15.2.9 T ransmit Deferral Parameters 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 433 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2.11 Transmit Two Part Deferral Parameters 1 15.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 434 Order Number: 252480-006US 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 435 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2.17 MDIO Command 3 15.2.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 436 Order Number: 252480-006US 15.2.20 MDIO Status 1 15.2.21 MDIO Status 2 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 437 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 438 Order Number: 252480-006US 15.2.26 Address Mask 2 15.2.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 439 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2.30 Address Mask 6 15.2.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 440 Order Number: 252480-006US 15.2.32 Address 1 15.2.33 Address 2 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 441 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 442 Order Number: 252480-006US 15.2.38 Threshold for Internal Clock 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 443 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors 15.2.40 Unicast Address 1 15.
Intel ® IXP42X product line a nd IXC1100 control plane processors—Ethernet MAC A Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 444 Order Number: 252480-006US 15.2.44 Unicast Address 5 15.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 445 Ethernet MAC A— Intel ® IXP42X produ ct line and IXC1100 c ontrol plane processors § § Register core_control Bits Name Descrip tion 31:5 (Reserv ed) 4M d c _ e n 1 = Configures the MDC as an output cloc k.
Intel ® IXP42X product line and IXC1100 control plane processors—Ethernet MAC B Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 446 Order Number: 252480-006US 16.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 447 Ethernet MAC B—Int el ® IXP42X product line and IXC1100 con.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 448 Order Number: 252480-006US 17.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 449 High-Speed S erial Interfaces—Int el ® IXP42X product line .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 450 Order Number: 252480-006US The actual FIFO the byte is extr acted from is dependent upon the protocol implemented and the FIFO arrangemen t.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 451 High-Speed S erial Interfaces—Int el ® IXP42X product line and IXC1100 control plane processors • Loop back the transmit to receive interface internally .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 452 Order Number: 252480-006US The frame-sync signal is u sed to allow th e HS S interface to synchronize to external devices.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 453 High-Speed S erial Interfaces—Int el ® IXP42X product line and IXC1100 control plane processors Either an internal or external frame-sync pulse or clock can still be utilized.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 454 Order Number: 252480-006US The behavior of the HS S interface is indiffer ent to the source of the fr ame-sync pulse.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 455 High-Speed S erial Interfaces—Int el ® IXP42X product line .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 456 Order Number: 252480-006US 4.096 MHz 2 T1/E1 512 2 8.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 457 High-Speed S erial Interfaces—Int el ® IXP42X product line and IXC1100 control plane processors 17.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 458 Order Number: 252480-006US In Figure 86 , the FBit to be transm itted is stored in the HSS T ransmit FIFO.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 459 High-Speed S erial Interfaces—Int el ® IXP42X product line and IXC1100 control plane processors • Frame sync active level (high/low).
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 461 High-Speed S erial Interfaces—Int el ® IXP42X product line .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 463 High-Speed S erial Interfaces—Int el ® IXP42X product line .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 465 High-Speed S erial Interfaces—Int el ® IXP42X product line and IXC1100 control plane processors Figure 94 illustrates that 4 E1 streams can be byte interleaved.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—High-Speed Serial Interfaces Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 467 High-Speed S erial Interfaces—Int el ® IXP42X product line .
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 468 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 469 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors P ackets are assembled into groups to produce transactions.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 470 Order Number: 252480-006US Data flow is relative to the USB host.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 471 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 473 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors The host is then responsible for assigning a unique address to each device on the bus.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 474 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 475 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 476 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 477 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 479 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors When the device responds to the host, it must specify a legal USB configur ation.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 480 Order Number: 252480-006US A control register enables the UDC and ma sks the interrupt sources in the UDC.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 481 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 482 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 483 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 485 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 486 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 487 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 488 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 489 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 490 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 491 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 492 Order Number: 252480-006US UDCCS4[RFS] is not cleared until all data is read from both buffers.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 493 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 495 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 496 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 497 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 498 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 499 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 500 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 501 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 502 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 503 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors UDCCS9[RSP] clears when the next OUT packet is received.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Pr.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 505 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 506 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 507 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 508 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 509 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 510 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 511 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors The bit’s read v alue is zero.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 512 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 513 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 514 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 515 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 516 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 517 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 518 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 519 Universal Serial Bus (USB) v1.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 520 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 521 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 522 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 523 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 524 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 525 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 526 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 527 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 528 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 529 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 530 Order Number: 252480-006US Since it is double-buffered, up to two pack ets of data may be ready .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 531 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 532 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 533 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 534 Order Number: 252480-006US Because it is double-buffered, up to two pack ets of data may be ready .
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 535 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 control plane pr ocessors—Universal Serial Bus (USB) v1.1 Device Controller Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 536 Order Number: 252480-006US 18.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 537 Universal Serial Bus (USB) v1.1 Device Controller—Intel ® IXP42X product l ine and IXC1100 control plane processors 18.
Intel ® IXP42X product line and IXC1100 cont rol plane processors—UTOPIA Level-2 Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 538 Order Number: 252480-006US 19.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 539 UTOPIA Level- 2—Intel ® IXP42X product line and IXC1100 con.
Intel ® IXP42X product line and IXC1100 cont rol plane processors—UTOPIA Level-2 Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 540 Order Number: 252480-006US 19.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 541 UTOPIA Level- 2—Intel ® IXP42X product line and IXC1100 control plane p rocessors T o allow the most flexibility , a logical addre ss to physical address table is provided.
Intel ® IXP42X product line and IXC1100 cont rol plane processors—UTOPIA Level-2 Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 542 Order Number: 252480-006US • There are eight active physical interfaces connected, named A through H, that map to logical address 0 through 7.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 543 UTOPIA Level- 2—Intel ® IXP42X product line and IXC1100 control plane p rocessors In addition to supporting data tr ansmission and HEC gener ation, the T ransmit Module maintains some statistical values.
Intel ® IXP42X product line and IXC1100 cont rol plane processors—UTOPIA Level-2 Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 544 Orde.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 545 UTOPIA Level- 2—Intel ® IXP42X product line and IXC1100 con.
Intel ® IXP42X product line and IXC1100 cont rol plane processors—UTOPIA Level-2 Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 546 Order Number: 252480-006US 19.4 MPHY Polling Routines The UTOPIA Level-2 co processor implements a r ound-robin polling algorithm.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 547 UTOPIA Level- 2—Intel ® IXP42X product line and IXC1100 control plane p rocessors The UTOPIA Lev el-2 interface requires both transmit and receive clock inputs to be supplied from an external source.
Intel ® IXP42X product lin e and IXC1100 control plane p rocessors—JTAG Interface Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 548 Order Number: 252480-006US 20.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 549 JTAG Interfac e—Intel ® IXP42X produ ct line and IXC1100 control plane pr ocessors 20.1.1 Test-Logic-Reset State In T est-Logic-R eset State, test logic is disabled to allow normal oper ation of the chip.
Intel ® IXP42X product lin e and IXC1100 control plane p rocessors—JTAG Interface Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 550 Ord.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 551 JTAG Interfac e—Intel ® IXP42X produ ct line and IXC1100 control plane pr ocessors 20.1.6 Exit1-DR State The Exit1-DR state is a temporary controller state.
Intel ® IXP42X product lin e and IXC1100 control plane p rocessors—JTAG Interface Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 552 Order Number: 252480-006US 20.1.10 Select-IR-Scan State The Select- IR Scan state is a tempor ary controller state.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 553 JTAG Interfac e—Intel ® IXP42X produ ct line and IXC1100 control plane pr ocessors The instruction does not change and the instruction register retains its state.
Intel ® IXP42X product lin e and IXC1100 control plane p rocessors—JTAG Interface Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 554 Order Number: 252480-006US 20.3 Data Registers The Data R egisters are essentially a shift regi ster and a read/write register juxtaposed.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 555 JTAG Interfac e—Intel ® IXP42X produ ct line and IXC1100 co.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 556 Order Number: 252480-006US 21.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 557 AHB Queue Ma nager (AQ M)—Inte l ® IXP42X pr oduct line and.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 558 Order Number: 252480-006US returned via the AHB and for a queue write requ est, the data from the AHB is written into the queue.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 559 AHB Queue Ma nager (AQ M)—Inte l ® IXP42X pr oduct line and IXC11 00 control plane processors 21.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 560 Order Number: 252480-006US interface is written into SRAM at the calculated queue address.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 561 AHB Queue Ma nager (AQ M)—Inte l ® IXP42X pr oduct line and IXC11 00 control plane processors than or equal to the full w atermark, the queu e is considered nearly full.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 562 Order Number: 252480-006US bus.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 563 AHB Queue Ma nager (AQ M)—Inte l ® IXP42X pr oduct line and IXC11 00 control plane processors 21.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 564 Order Number: 252480-006US 21.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 565 AHB Queue Ma nager (AQ M)—Inte l ® IXP42X pr oduct line and IXC11 00 control plane processors 21.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 006 566 Order Number: 252480-006US 21.5.7 Queue Interrupt En able Register 0 – 1 21.
Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Control Plane Processo r September 2006 DM Order Number: 252480-006US 567 AHB Queue Ma nager (AQ M)—Inte l ® IXP42X pr oduct line and IXC11 00 control plane processors empty queues but until the queue configurat ion words have been set, this state is somewhat inconsistent.
Intel ® IXP42X product line and I XC1 100 control plane pro cessors—AHB Queue Manag er (AQM) Intel ® IXP42X Product Line of Network Proces sors and IXC1100 Contro l Plane Processor DM September 2 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Intel IXP42X è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Intel IXP42X - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Intel IXP42X imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Intel IXP42X ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Intel IXP42X, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Intel IXP42X.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Intel IXP42X. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Intel IXP42X insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
