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DM9601
USB to Ethernet MAC Controller with Integrated 10/100 PHY
10
Final
Version: DM9601-DS-F01
June 22, 2002
7. Vendor commands
There are two types of vendor’s command. We
can access internal register maximum 256 bytes,
and can access external maximum memory
16KB/32KB/64KB/128KB.
7.1 Register Type
READ_REGISTER( )
Setup Stage
BmReqType
bReq
WValue
WIndex
wLength
Byte 0
Byte 1 Byte 2
Byte
3
Byte 4
Byte 5
Byte 6
Byte
7
C0H
00H
00H
00H
RegOffset
[7:0]
00H
BC[7:0]
00H
WRITE_REGISTER( )
Setup Stage
BmReqType
bReq
WValue
wIndex
wLength
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
40H
01H
00H
00H
RegOffset[7:0]
00H
BC[7:0]
00H
WRITE1_REGISTER( )
Setup Stage
BmReqType
bReq
Wvalue
wIndex
wLength
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5 Byte 6
Byte 7
40H
03H
Data[7:0]
00H
RegOffset[7:0]
00H
0000H