AX88772

USB to 10/100 Fast Ethernet/HomePNA Controller

Table of Contents

1.0

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

1.1

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

1.2

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

1.3

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

2.0

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............................................................................... 12

4.1

DETAILED DESCRIPTION ........................................................................................................ 13

5.0

USB CONFIGURATION STRUCTURE ......................................................................... 16

5.1

USB CONFIGURATION ........................................................................................................... 16

5.2

USB INTERFACE.................................................................................................................... 16

5.3

USB ENDPOINTS ................................................................................................................... 16

6.0

USB COMMANDS ............................................................................................................. 17

6.1

USB STANDARD COMMANDS ................................................................................................ 17

6.2

USB VENDOR COMMANDS.................................................................................................... 18

6.2.1

DETAILED REGISTER DESCRIPTION .................................................................................... 19

6.2.2

REMOTE WAKEUP DESCRIPTION ........................................................................................ 27

6.3

INTERRUPT ENDPOINT ........................................................................................................... 27

7.0

EMBEDDED ETHERNET PHY REGISTER DESCRIPTION .................................... 28

7.1

DETAILED REGISTER DESCRIPTION........................................................................................ 28

7.1.1

BASIC MODE CONTROL REGISTER (BMCR) ...................................................................... 28

7.1.2

BASIC MODE STATUS REGISTER (BMSR) .......................................................................... 29

7.1.3

PHY IDENTIFIER REGISTER 1 ............................................................................................. 30

7.1.4

PHY IDENTIFIER REGISTER 2 ............................................................................................. 30

7.1.5

AUTO NEGOTIATION ADVERTISEMENT REGISTER (ANAR) ............................................... 30

7.1.6

AUTO NEGOTIATION LINK PARTNER ABILITY REGISTER (ANLPAR) ................................ 31

7.1.7

AUTO NEGOTIATION EXPANSION REGISTER (ANER)......................................................... 31

8.0

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

8.1

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

8.1.1

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

8.1.2

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

ASIX ELECTRONICS CORPORATION

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