AX88170L datasheet(2/39 Pages) ASIX

2 / 39 page

ASIX ELECTRONICS CORPORATION

CONFIDENTIAL

AX88170

PRELIMINARY

CONTENTS

1.0 INTRODUCTION ...........................................................................................................................................................................4

1.1 GENERAL DESCRIPTION:............................................................................................................................................................ 4

1.2 AX88170 BLOCK DIAGRAM: ...................................................................................................................................................... 4

1.3 AX88170 PIN CONNECTION DIAGRAM WITH MII INTERFACE ........................................................................................... 5

1.4 AX88170 PIN CONNECTION DIAGRAM WITH RMII INTERFACE......................................................................................... 6

2.0 SIGNAL DESCRIPTION...............................................................................................................................................................7

2.1 USB BUS INTERFACE SIGNALS GROUP .................................................................................................................................... 7

2.2 EEPROM SIGNALS GROUP ......................................................................................................................................................... 7

2.3A MII INTERFACE SIGNALS GROUP (MAC MODE) .................................................................................................................. 7

2.3B MII INTERFACE SIGNALS GROUP (PHY MODE)..................................................................................................................... 8

2.4 RMII INTERFACE SIGNAL PINS (PHY MODE) .......................................................................................................................... 9

2.5 MISCELLANEOUS PINS GROUP................................................................................................................................................... 9

3.0 EEPROM MEMORY MAPPING...............................................................................................................................................11

4.0 USB COMMANDS .......................................................................................................................................................................12

4.1 USB STANDARD COMMANDS................................................................................................................................................... 12

4.2 USB COMMUNICATION CLASS COMMANDS......................................................................................................................... 13

4.3 USB VENDOR COMMANDS....................................................................................................................................................... 14

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

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

5.2 USB INTERFACE CLASS. ........................................................................................................................................................... 16

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

6.0 ELECTRICAL SPECIFICATION AND TIMINGS .................................................................................................................17

6.1 ABSOLUTE MAXIMUM RATINGS............................................................................................................................................ 17

6.2 GENERAL OPERATION CONDITIONS...................................................................................................................................... 17

6.3 DC CHARACTERISTICS.............................................................................................................................................................. 17

6.4 A.C. TIMING CHARACTERISTICS............................................................................................................................................. 18

6.4.1 25M_XIN............................................................................................................................................................................18

6.4.2 48M_XIN............................................................................................................................................................................18

6.4.3 Reset Timing ......................................................................................................................................................................18

6.4.4 MII Timing of MAC mode................................................................................................................................................20

6.4.5 MII Timing of PHY mode .................................................................................................................................................21

6.4.6 RMII Interface Timing of PHY Mode.............................................................................................................................22

6.4.7 STATION MANAGEMENT TIMING..............................................................................................................................23

6.4.8 SERIAL EEPROM TIMING.............................................................................................................................................24

7.0 PACKAGE INFORMATION.......................................................................................................................................................25

APPENDIX A: SYSTEM APPLICATIONS ....................................................................................................................................26

A.1 USB TO FAST ETHERNET CONVERTER................................................................................................................................ 26

A.2 USB TO FAST ETHERNET AND/OR HOMELAN COMBO SOLUTION ................................................................................ 27

A.3 USB-TO-USB OR USB-TO-ETHERNET BRIDGE THROUGH ETHERNET REPEATER CONTROLLER ............................ 28

A.4 USB-TO-USB OR USB-TO-ETHERNET BRIDGE THROUGH ETHERNET SWITCH CONTROLLER................................. 28

DEMONSTRATION CIRCUIT A: AX88170 + ETHERNET PHY .............................................................................................29

DEMONSTRATION CIRCUIT B: AX88170 + HOMEPNA 1M8 PHY ....................................................................................31

DEMONSTRATION CIRCUIT C: 4 USB PORTS + 1 ETHERNET PORT BRIDGE AP.....................................................33

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