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AX88772

USB to 10/100 Fast Ethernet/HomePNA Controller

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AX88772

USB to 10/100 Fast Ethernet/HomePNA Controller

Table of Contents

1.0

1.1

1.2

1.3

2.0

INTRODUCTION ................................................................................................................4

GENERAL DESCRIPTION ...........................................................................................................4

AX88772 BLOCK DIAGRAM....................................................................................................4

AX88772 PINOUT DIAGRAM ...................................................................................................5

SIGNAL DESCRIPTION ....................................................................................................6

3.0 FUNCTION DESCRIPTION ............................................................................................ 10

3.1 USB CORE AND INTERFACE ..................................................................................................10

3.2 10/100 ETHERNET PHY......................................................................................................... 10

3.3 MAC CORE ...........................................................................................................................10

3.4 STATION MANAGEMENT (STA).............................................................................................10

3.5 MEMORY ARBITER ................................................................................................................11

3.6 USB TO ETHERNET BRIDGE...................................................................................................11

3.7 SERIAL EEPROM LOADER ...................................................................................................11

3.8 GENERAL PURPOSE I/O.......................................................................................................... 11

4.0 SERIAL EEPROM MEMORY MAP...............................................................................13

4.1 DETAILED DESCRIPTION ........................................................................................................14

5.0 USB CONFIGURATION STRUCTURE .........................................................................17

5.1 USB CONFIGURATION ...........................................................................................................17

5.2 USB INTERFACE....................................................................................................................17

5.3 USB ENDPOINTS ...................................................................................................................17

6.0 USB COMMANDS .............................................................................................................18

6.1 USB STANDARD COMMANDS ................................................................................................18

6.2 USB VENDOR COMMANDS....................................................................................................19

6.2.1 DETAILED REGISTER DESCRIPTION ....................................................................................20

6.2.2 REMOTE WAKEUP DESCRIPTION ........................................................................................28

6.3 INTERRUPT ENDPOINT ...........................................................................................................28

7.0 EMBEDDED ETHERNET PHY REGISTER DESCRIPTION ....................................29

7.1 DETAILED REGISTER DESCRIPTION........................................................................................29

7.1.1 BASIC MODE CONTROL REGISTER (BMCR) ...................................................................... 29

7.1.2 BASIC MODE STATUS REGISTER (BMSR) .......................................................................... 30

7.1.3 PHY IDENTIFIER REGISTER 1 .............................................................................................31

7.1.4 PHY IDENTIFIER REGISTER 2 .............................................................................................31

7.1.5 AUTO NEGOTIATION ADVERTISEMENT REGISTER (ANAR) ............................................... 31

7.1.6 AUTO NEGOTIATION LINK PARTNER ABILITY REGISTER (ANLPAR) ................................ 32

7.1.7 AUTO NEGOTIATION EXPANSION REGISTER (ANER)......................................................... 32

8.0 ELECTRICAL SPECIFICATIONS .................................................................................33

8.1 DC CHARACTERISTICS ..........................................................................................................33

8.1.1 ABSOLUTE MAXIMUM RATINGS .........................................................................................33

8.1.2 RECOMMENDED OPERATING CONDITION ...........................................................................33

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ASIX ELECTRONICS CORPORATION

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