ASIX ELECTRONICS CORPORATION

10

AX88172

PRELIMINARY

** PHY TYPE[7:5]

3’b000 = 10/100 Ethernet PHY or 1M HOME PHY (Link report as normal case)

3’b100 = special case 1 (Link report always active)

3’b101 = reserved

3’b111 = No supported PHY

FOR EXAMPLE: EEPROM OFFSET 11 HIGH BYTE IS “E0” MEAN IS NO SUPPORTED

SECONDARY PHY.

***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.

Isolate 2 PHY step procedure by hardware when every hardware reset

1.

write 0 PHY_ID isolate and power down

2.

write PRIMARILY PHY ID isolate and power down

3.

write SECONDARY PHY ID isolate and power down