
ASIX ELECTRONICS CORPORATION
11
CONFIDENTIAL
AX88170 PRELIMINARY
3.0 EEPROM Memory Mapping
EEPROM
OFFSET
00H
RESERVED
01H
02H
LENGTH OF DEVICE DESCRIPTOR (BYTE)
HIGH BYTE
LOW BYTE
WORD COUNT FOR PRELOAD
*FLAG
EEPROM OFFSET OF DEVICE
DESCRIPTOR
EEPROM OFFSET OF CONFIGURATION
DESCRIPTOR
NODE ID 0
NODE ID 2
NODE ID 4
LANGUAGE ID LOW BYTE
EEPROM OFFSET OF STRING INDEX 1
EEPROM OFFSET OF STRING INDEX 2
EEPROM OFFSET OF STRING INDEX 3
EEPROM OFFSET OF STRING INDEX 4
EEPROM OFFSET OF STRING INDEX 5
EEPROM OFFSET OF STRING INDEX 6
EEPROM OFFSET OF STRING INDEX 7
EEPROM OFFSET OF STRING INDEX 8 (19H)
MAX PACKET LOW BYTE
ETHERNET PHY ID
PAUSE PACKET LOW WATER LEVEL
RESERVED
03H
LENGTH OF CONFIGURATION DESCRIPTOR
(BYTE)
NODE ID 1
NODE ID 3
NODE ID 5
LANGUAGE ID HIGH BYTE
LENGTH OF STRING INDEX 1
LENGTH OF STRING INDEX 2
LENGTH OF STRING INDEX 3
LENGTH OF STRING INDEX 4
LENGTH OF STRING INDEX 5
LENGTH OF STRING INDEX 6
LENGTH OF STRING INDEX 7
LENGTH OF STRING INDEX 8
MAX PACKETSIZE HIGH BYTE
HOMEPNA PHY ID
PAUSE PACKET HIGH WATER LEVEL
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
0DH
0EH
0FH
10H
11H
12H
13H-18H
19H
1AH
1BH
1CH
1DH
1EH
1FH
20H-4FH
50H-FFH
03H
0CH
BYTE 2 OF UNICODE MAC ADDRESS
BYTE 4 OF UNICODE MAC ADDRESS
BYTE 6 OF UNICODE MAC ADDRESS
BYTE 8 OF UNICODE MAC ADDRESS
BYTE 10 OF UNICODE MAC ADDRESS
BYTE 12 OF UNICODE MAC ADDRESS
DEVICE /CONFIGURATION /INTERFACE /ENDPOINT DESCRIPTOR
**BYTE 1 OF UNICODE MAC ADDRESS
BYTE 3 OF UNICODE MAC ADDRESS
BYTE 5 OF UNICODE MAC ADDRESS
BYTE 7 OF UNICODE MAC ADDRESS
BYTE 9 OF UNICODE MAC ADDRESS
BYTE 11 OF UNICODE MAC ADDRESS
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 6
è
Reserved
Bit 8
è
Capture Effective Mode
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
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.
Bit 9
è
Flow Control selector (1: software, o: read from PHY)
Bit 5
è
Reserved
Bit 7
è
Reserved
Then