Manuale d’uso / di manutenzione del prodotto LAN9500 del fabbricante SMSC
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SMSC LAN9500/LAN9500i Revision 1.7 (10-02-08) DA T ASHEET Datasheet PRODUCT FEA TURES LAN9500/LAN9500i Hi-S peed USB 2.0 to 10/100 Ethernet Controller Highlight s Single Chip Hi-S peed USB 2.
Hi-S peed USB 2.0 to 10/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 2 Revision 1.7 (10-02-08) DA T ASHEET ORDER NUMBER(S): LAN9500-ABZJ FOR 56-PIN, QFN LEAD-FREE ROHS COMPLIANT P A CKAGE (.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 3 Revision 1.7 (10-02-08) DA T ASHEET T able of Content s Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 4 SMSC LAN9500/LAN9500i DA T ASHEET List of Figures Figure 1.1 LAN9500/LAN9500i System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 5 Revision 1.7 (10-02-08) DA T ASHEET List Of T ables Table 2.1 MII Interface Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 6 SMSC LAN9500/LAN9500i DA T ASHEET Chapter 1 Introduction 1.1 Block Diagram 1.1.1 Overview The LAN9500/LAN9500i is a high pe rformance Hi-S peed USB 2.0 to 10/100 Ethernet controller .
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 7 Revision 1.7 (10-02-08) DA T ASHEET 1.1.2 USB The USB portion of the LAN9500/LAN9500i integrates a Hi-S peed USB 2 .
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 8 SMSC LAN9500/LAN9500i DA T ASHEET 1.1.6 EEPROM Controller The LAN9500/LAN9500i contains an EEPROM controller for connection to an external EEPROM.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 9 Revision 1.7 (10-02-08) DA T ASHEET Chapter 2 Pin Description and Configuration Figure 2.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 10 SMSC LAN9500/LAN9500i DA T ASHEET T able 2.1 MII Interface Pins NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 1 Rec.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 1 1 Revision 1.7 (10-02-08) DA T ASHEET 1 T ransmit Data 3 (External PHY Mode) TXD3 O8 (PU) T ransmit Data 3: In external PHY mode, this pin functions as the transmit data 3 output to the external PHY .
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 12 SMSC LAN9500/LAN9500i DA T ASHEET Note 2.1 Configuration strap va lues are latched on pow er-on reset and system reset. Configuration straps are identified by an u nderlined symbol n ame.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 13 Revision 1.7 (10-02-08) DA T ASHEET Note 2.2 Configuration strap va lues are latched on pow er-on reset and system reset. Configuration straps are identified by an u nderlined symbol n ame.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 14 SMSC LAN9500/LAN9500i DA T ASHEET 1 JT AG T est Clock (Internal PHY Mode) TCK IS (PU) JT AG T est Clock: In internal PHY mode, this pin functions as the JT AG test clock.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 15 Revision 1.7 (10-02-08) DA T ASHEET 1 Ethernet Link Activity Indicator LED nLNKA_LED OD12 (PU) Ethernet Link Activi ty Indicator LED (Active- Low): This signal is driven low (LED on) when a valid link is detected.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 16 SMSC LAN9500/LAN9500i DA T ASHEET T able 2.5 USB Pins NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 1 USB DMINUS USBDM AIO USB DMINUS Note: The functionality of this pin may be swapped to USB DPLUS via the PORT_SW AP configuration strap.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 17 Revision 1.7 (10-02-08) DA T ASHEET 1 PHY Interrupt (Internal PHY Mode) nPHY_INT O8 PHY Interrupt (Active-Low): In internal PHY mode, this signal can be configured to output the internal PHY interrupt signal.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 18 SMSC LAN9500/LAN9500i DA T ASHEET T abl e 2.9 56-QFN Package Pin Ass ignments PIN NUM PIN NAME PIN NUM PIN NAME PI.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 19 Revision 1.7 (10-02-08) DA T ASHEET 2.1 Buffer T ypes T abl e 2.10 Buffer T y pes BUFFER TYPE DESCRIPTION IS Schmitt.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 20 SMSC LAN9500/LAN9500i DA T ASHEET Chapter 3 EEPROM Controller (EPC) LAN9500/LAN9500i may use an external EEPROM to store the default values for the USB descriptors and the MAC address.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 21 Revision 1.7 (10-02-08) DA T ASHEET Note: EEPROM byte addresses past 1Dh can be used to store data for any purpose.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 22 SMSC LAN9500/LAN9500i DA T ASHEET 3.2 EEPROM Default s The signature value o f 0xA5 is stored at address 0. A dif ferent signature value indicates to the EEPROM controller that no EEPROM or an un-progra mmed EEPROM is attached to LAN9500/LAN9500i.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 23 Revision 1.7 (10-02-08) DA T ASHEET 3.4 An Example of EEPROM Format Interpret ation Ta b l e 3 . 4 and Ta b l e 3 . 5 provide an example of ho w the content s of a EEPROM are formatted .
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 24 SMSC LAN9500/LAN9500i DA T ASHEET T able 3.5 EEPROM Example - 256 Byte EEPROM EEPROM ADDRESS EEPROM CONTENT S (HEX.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 25 Revision 1.7 (10-02-08) DA T ASHEET 20h-27h 53 00 4D 00 53 00 43 0 0 Manufac turer ID S tring (“SMSC” in UNICODE.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 26 SMSC LAN9500/LAN9500i DA T ASHEET 64h 04 Descriptor T ype (Int erface Descriptor - 04h) 65h 00 Number i dentifying.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 27 Revision 1.7 (10-02-08) DA T ASHEET 88h 04 Descriptor T ype (Int erface Descriptor - 04h) 89h 00 Number i dentifying.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 28 SMSC LAN9500/LAN9500i DA T ASHEET Chapter 4 Operational Characteristics 4.1 Absolute Maximum Ratings* Supply V oltage (VDD33IO, VDD33A) ( Note 4.1 ) . . . . . . . . .
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 29 Revision 1.7 (10-02-08) DA T ASHEET 4.3 Power Consumption This section details the power consumption of LAN9 500/ LAN9500i as measured d uring various modes of operation.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 30 SMSC LAN9500/LAN9500i DA T ASHEET 4.3.4 Operational Power Consumption 4.3.5 Customer Evalua tion Board Operationa l Power Consumption T able 4.4 Ope rational Power Consumption - Su pply and Current @3.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 31 Revision 1.7 (10-02-08) DA T ASHEET 4.4 DC S pecifications Note 4.5 This specification appli es to all inputs and tri-stated bi-directional pins. In ternal pull-down and pull-up resi stors add +/- 50uA per-pin (typical).
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 32 SMSC LAN9500/LAN9500i DA T ASHEET Note 4.6 This is the total 5.5V input l eakage for the entire device. Note 4.7 XI can optionally be d riven from a 25MHz single-ended clock oscil lator .
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 33 Revision 1.7 (10-02-08) DA T ASHEET 4.5 AC S pecifications This section details the various AC timing specifications of the LAN9500/L AN9500i. Note: The MII timing adheres to the IEEE 802.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 34 SMSC LAN9500/LAN9500i DA T ASHEET 4.5.2 Power-On Configurat ion Strap V alid T iming Figure 4.2 illustrates the configuration strap vali d timi ng requirement in rel ation to power-on.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 35 Revision 1.7 (10-02-08) DA T ASHEET 4.5.3 Reset and Confi guration Strap T iming Figure 4.3 illustrates the nRESET pin ti ming requirement s and i ts relation to the configuration strap pins and output drive.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 36 SMSC LAN9500/LAN9500i DA T ASHEET 4.5.4 EEPROM Timing The following specifies th e EEPROM timing requirements for LAN9500/LAN950 0i: Figure 4.4 EEPROM T i ming T able 4.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 37 Revision 1.7 (10-02-08) DA T ASHEET 4.5.5 T urbo MII Interface Timing The external MII supports Turbo MII and the interface timing i s as follows. Note 4.12 These values satisfy the MII specification r equirement o f 0 ns to 25 ns clock to output delay .
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 38 SMSC LAN9500/LAN9500i DA T ASHEET Note 4.14 These values satisfy the 10-ns setup and hold time requirements that are necessary for the T urbo MII specificati on. T able 4.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 39 Revision 1.7 (10-02-08) DA T ASHEET 4.6 Clock Circuit LAN9500/LAN9500i can accept either a 25MHz crys tal (preferred) or a 25MHz single-ended clock oscillator (+/- 50ppm) input.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 40 SMSC LAN9500/LAN9500i DA T ASHEET Chapter 5 Package Outline Notes: 1. All dimensions are in mill imeters unless otherwise noted. 2. Position tolerance of each terminal and exposed pad is +/- 0.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 41 Revision 1.7 (10-02-08) DA T ASHEET Figure 5.2 LAN9500/LAN9500i 56-QF N Recommended PCB Land Pattern.
Hi-S pee d USB 2.0 to 10/100 Ethernet Controller Datasheet Revision 1.7 (10-02-08) 42 SMSC LAN9500/LAN9500i DA T ASHEET Chapter 6 Revision History T able 6.1 Customer Revision History REVISION LEVEL AND DATE SECTION/FIGUR E/ENTRY CORRECTION Rev . 1.6 (09-09-08 ) All Fixed various typos T able 3.
Hi-S peed USB 2.0 to 1 0/100 Ethernet Controller Datasheet SMSC LAN9500/LAN9500i 43 Revision 1.7 (10-02-08) DA T ASHEET T abl e 2.4, “Miscellaneous Pins,” o n pag e 14 Added new TEST3 entry , which must always be grounded. Modified buffer types for TEST1 an d TEST2 entrie s to indicate “-” as buffe r type.
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 SMSC LAN9500 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 SMSC LAN9500 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso SMSC LAN9500 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul SMSC LAN9500 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il SMSC LAN9500, 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 SMSC LAN9500.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il SMSC LAN9500. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo SMSC LAN9500 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.
