Manuale d’uso / di manutenzione del prodotto CY7C68034 del fabbricante Cypress
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EZ-USB NX2LP-Flex™ Flexible USB NAND Flash Controller CY7C68033/CY7C68034 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 001-04247 Rev . *D Revised September 21, 2006 CY7C68033/CY7C68034 Silicon Features • Certified compliant for Bus- or Self-powered USB 2.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 2 of 33 Default NAND Firmware Features Because the NX2LP-Flex™ is intended for NAND Flash-based USB mass storage appli cations, a default firm.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 3 of 33 Figure 1. Example DVB Block Diagram Figure 2. Example G PS Block Di agram The “Reference De signs” sectio n of the Cypress we b site provides additional tools fo r typical USB 2.0 applications.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 4 of 33 Buses The NX2LP-Flex features an 8- or 16-bit ‘F IFO’ bidirectional data bus, multiplexed on I/O por t s B and D. The default firmware image implements an 8-bit data bus in GPIF Master mode.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 5 of 33 Figure 4. NX2LP-Flex Enumeration Sequenc e Normal Operation Mode In Normal Operation Mode, th e NX2LP-Flex b ehaves as a USB 2.0 Mass S torage Class NAND Flash controller . This includes all typical USB device states (powered, configured, etc.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 6 of 33 If Autovectoring is enabl ed (A V2EN = 1 in the INTSET -U P register), the NX2LP-Flex su bstitutes its INT2VEC byte.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 7 of 33 If Autovectoring is enabl ed (A V4EN = 1 in the INTSET -U P register), the NX2LP-Flex su bstitutes its INT4VEC byte.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 8 of 33 Wak eu p P i n s The 8051 puts itself and the rest of the chip into a power-down mode by setting PCON.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 9 of 33 Endpoint RAM Size • 3 × 64 bytes (Endpoints 0 and 1) • 8 × 512 bytes (Endpoints 2, 4, 6, 8) Organization • EP0 — Bidirectional.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 10 of 33 Default High-Speed Alterna te Settings External FIFO Interface Architecture The NX2LP-Flex slave FIFO ar chitecture has ei ght 512-byte.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 1 1 of 33 the default NAND firmwa re image implements an 8-bit data bus and up to 8 chi p enable pins on the GPIF ports, it is recom- mended that designs ba sed upon the d efault firmware image use an 8-bit data bus as well.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 12 of 33 Pin Assignment s Figure 9 and Figure 10 identify al l signals for the 56-pin NX2LP-Flex package. Three modes of operation are available for the NX2LP-Flex: Port mode, GPIF Master mode, and Slave FIFO mode.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 13 of 33 Figure 10. CY7C68033/CY7C6 8034 56-pin QFN Pin Assignment CY7C68033/CY7C68034 56-pin QFN 28 27 26 25 24 23 22 21 20 19 18 17 16 15 43 4.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 14 of 33 T able 8. NX2LP-F lex Pin Descriptions [6] 56 QFN Pin Number Default Pin Name NAND Firmware Usage Pin Ty p e Default Stat e Descriptio n 9 DMINUS N/A I/O/Z Z USB D– Signal . Connect to the USB D– signal.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 15 of 33 13 GPIO8 GPIO8 I/O/Z I GPIO8: is a bidirectional IO port pin. 14 R eserved# N/A Input N/A Reserv ed . Connect to ground. 15 SCL N/A OD Z Clock for the I 2 C interface. Connect to VCC wi th a 2.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 16 of 33 39 P A6 or PKTEND GPIO0 (Input) I/O/Z I (P A6) Multiplexed p in whose function is sel ected by the IFCONF IG[1:0] bits.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 17 of 33 46 PD1 or FD[9] CE1# I/O /Z I (PD1) Multiplexed pin whose functio n is selected by th e IFCONFIG[1:0] and EPxFIFOCFG .0 (wordwide) bits. FD[9] is the bidirectional FIFO/GPIF data bus. CE1# is a NAND chip enable output signal.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 18 of 33 Register Summary NX2LP-Flex register bit definitions are de scribed in the EZ-USB TRM in greater detail. Some registers that are listed h ere and in the TRM do not apply to the NX2LP-Flex.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 19 of 33 E629 1 ECCRESET ECC Reset x x x x x x x x 00000000 W E62A 1 ECC1B0 ECC1 Byte 0 Addr ess LINE15 LINE14 LINE13 LINE12 LINE1 1 LINE10 LINE.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 20 of 33 E65B 1 NAKIRQ [8] End point Ping -NAK/IBN Interrupt Request EP8 EP6 EP4 EP2 EP1 EP0 0 IBN xxxxxx0x bbbbbbrb E65C 1 USBIE USB Int Ena bl.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 21 of 33 E69E 2 reserv ed E6A0 1 EP0CS End point 0 Contr ol and Sta t us HSNAK 0 0 0 0 0 BUSY STALL 1000000 0 bbbbbbrb E6A1 1 EP1OUTCS End point.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 22 of 33 E6CD 1 FLOWSTBPERIO D Master-S trobe Half-Per iod D7 D6 D5 D4 D3 D2 D1 D0 00000010 RW E6CE 1 GPIFTCB3 [7] GPIF T r an sact io n Count B.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 23 of 33 83 1 DPH0 Data Pointer 0 H A15 A14 A13 A12 A1 1 A10 A9 A8 00 000000 RW 84 1 DPL1 [9] Data Pointer 1 L A7 A6 A5 A4 A3 A2 A1 A0 00000000 .
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 24 of 33 Absolute Maximum Ratings S torage T emperature .............. .............. ...... –65°C to +150°C Ambient T emperature with Powe r Supplied ...... 0°C to +70°C Supply V oltage to Ground Potential .
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 25 of 33 DC Characteristics USB T ran sceiver USB 2.0-compliant in full- and high-speed modes. AC Electrical Characteristics USB T ran sceiver USB 2.0-compliant in full- and high-speed modes. T able 10.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 26 of 33 Slave FIFO Asynchr onous Read Figure 1 1. Slave FIFO Asynch ronous Read T iming Diagram [13] Slave FIFO Asynch ronous W rite Figure 12. Slave FIFO Asynch ron ous Write Timing Diagram [13] T able 1 1.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 27 of 33 Slave FIFO Asynchr onous Packet End Strobe Figure 13. Slave FI FO Asynchronous Packet End Strobe Timing Diagram [9] Slave FIFO Output Enable Figure 14. Slave FIFO Outpu t Enable Timing Diagram [13] Slave FIFO Address to Flags/Data Figure 15.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 28 of 33 Slave FIFO Asynch ro no us Addre ss Figure 16. Slave FI FO Asynchrono us Address Timing Diagram [13] Sequence Diagram Sequence Diagram of a Single and Burst Asynchronous Read Figure 17. Slave FIFO Asynch ro nous Read Sequence and Timing Diagram [13] Figure 18.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 29 of 33 Figure 17 diagrams the timing relationship of the SLA VE FIFO signals during an asynchronous F IFO read. It shows a single read followed by a burst read. • At t = 0 the FIFO address is stable and the SLCS signal i s asserted.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 30 of 33 Ordering Information T able 17.Ordering Inform ation Ordering Code Description Silicon for b attery-powered a pplications CY7C68034-56L.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 31 of 33 PCB Layout Recommendations [16] The following recommendati ons should be followed to ensure reliable high-performance operation: • At least a four-layer impedance controlled boards is recom- mended to maintain signal quality .
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 32 of 33 © Cypress Semi con duct or Cor po rati on , 20 06 . The information con t a in ed he re i n is su bject to change wi t hou t n oti ce.
CY7C68033/CY7C68034 Document #: 001-04247 Rev . *D Page 33 of 33 Document History Page Document Title: CY7C68033/CY7C 68034 EZ-USB NX2LP-Fle x™ Flex ible USB NAND Flash Controller Document #: 001-04247 Rev .
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 Cypress CY7C68034 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 Cypress CY7C68034 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress CY7C68034 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress CY7C68034 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress CY7C68034, 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 Cypress CY7C68034.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cypress CY7C68034. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress CY7C68034 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.
