ASIX ELECTRONICS CORPORATION

11

CONFIDENTIAL

AX88170

PRELIMINARY

3.0 EEPROM Memory Mapping

EEPROM

OFFSET

HIGH BYTE

LOW BYTE

00H

RESERVED

WORD COUNT FOR PRELOAD

01H

*FLAG

02H

LENGTH OF DEVICE DESCRIPTOR (BYTE)

EEPROM OFFSET OF DEVICE

DESCRIPTOR

03H

LENGTH OF CONFIGURATION DESCRIPTOR

(BYTE)

EEPROM OFFSET OF CONFIGURATION

DESCRIPTOR

04H

NODE ID 1

NODE ID 0

05H

NODE ID 3

NODE ID 2

06H

NODE ID 5

NODE ID 4

07H

LANGUAGE ID HIGH BYTE

LANGUAGE ID LOW BYTE

08H

LENGTH OF STRING INDEX 1

EEPROM OFFSET OF STRING INDEX 1

09H

LENGTH OF STRING INDEX 2

EEPROM OFFSET OF STRING INDEX 2

0AH

LENGTH OF STRING INDEX 3

EEPROM OFFSET OF STRING INDEX 3

0BH

LENGTH OF STRING INDEX 4

EEPROM OFFSET OF STRING INDEX 4

0CH

LENGTH OF STRING INDEX 5

EEPROM OFFSET OF STRING INDEX 5

0DH

LENGTH OF STRING INDEX 6

EEPROM OFFSET OF STRING INDEX 6

0EH

LENGTH OF STRING INDEX 7

EEPROM OFFSET OF STRING INDEX 7

0FH

LENGTH OF STRING INDEX 8

EEPROM OFFSET OF STRING INDEX 8 (19H)

10H

MAX PACKETSIZE HIGH BYTE

MAX PACKET LOW BYTE

11H

HOMEPNA PHY ID

ETHERNET PHY ID

12H

PAUSE PACKET HIGH WATER LEVEL

PAUSE PACKET LOW WATER LEVEL

13H-18H

RESERVED

19H

03H

0CH

1AH

BYTE 2 OF UNICODE MAC ADDRESS

**BYTE 1 OF UNICODE MAC ADDRESS

1BH

BYTE 4 OF UNICODE MAC ADDRESS

BYTE 3 OF UNICODE MAC ADDRESS

1CH

BYTE 6 OF UNICODE MAC ADDRESS

BYTE 5 OF UNICODE MAC ADDRESS

1DH

BYTE 8 OF UNICODE MAC ADDRESS

BYTE 7 OF UNICODE MAC ADDRESS

1EH

BYTE 10 OF UNICODE MAC ADDRESS

BYTE 9 OF UNICODE MAC ADDRESS

1FH

BYTE 12 OF UNICODE MAC ADDRESS

BYTE 11 OF UNICODE MAC ADDRESS

20H-4FH

DEVICE /CONFIGURATION /INTERFACE /ENDPOINT DESCRIPTOR

50H-FFH

STRINGS

Tab - 7 EEPROM Memory Mapping

Note:

*Flag:

Bit 0

è Self Powered (for USB GetStatus)

Bit 1

è Bus Powered (Reserved)

Bit 2

è Remote Wakeup (for USB GetStatus) Bit 3 è Interrupt Endpoint Enaable (Reserved)

Bit 4

è ClkNoStop (for Self Power only)

Bit 5

è Reserved

Bit 6

è Reserved

Bit 7

è Reserved

Bit 8

è Capture Effective Mode

Bit 9

è Flow Control selector (1: software,o: read from PHY)

Bit A – F

è Reserved

Bit 4 also effect LED display, if high then LED display USB active only otherwise display USB link and activity.

(In Self power mode Bit_4 set to high)

**Unicode MAC Address:

If the MAC’s NODE ID is 01,23,45,67,89,ABh respect to NODE ID 0, NODE ID 1, …

NODE ID5

Then

the unicode will be 30-31,32-33,34-35,36-37,38-39,41-42h respects to BYTE 1 OF UNICODE MAC ADDRESS- BYTE

2 OF UNICODE MAC ADDRESS, … -BYTE 12 OF UNICODE MAC ADDRESS.