DM9620 DAVICOM [Davicom Semiconductor, Inc.], DM9620 Datasheet - Page 43

• Manufacturer Part Number: DM9620
• Description: USB2.0 to 10/100M Fast Ethernet Controller
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

7.1.2.2 Memory Type
Preliminary
Version: DM9620 -15-DS-P02
February 20, 2012
Theses kind of commands are valid when the bit “MEM_MODE “ is set, otherwise device will respond with
request error when receiving these commands.
READ_MEMORY( )
Setup Stage
WRITE_MEMORY( )
Setup Stage
WRITE1_MEMORY( )
Setup Stage
BmReqType BReq
BmReqType Breq
BmReqType
Byte 0
Byte 0
Byte 0
C0H
40H
40H
Byte 1
Byte 1
07H
Byte 1
05H
Breq
02H
Data[7:0]
Byte 2
Byte 2
00H
Byte 2
00H
WValue
WValue
Wvalue
Byte 3
Byte 3
00H
00H
Byte 3
00H
MemOff[7:0]
MemOff[7:0]
MemOff[7:0]
Byte 4
Byte 4
Byte 4
Windex
Windex
Windex
MemOff[15:8]
MemOff[15:8]
MemOff[15:8]
Byte 5
Byte 5
Byte 5
USB2.0 to Fast Ethernet Controller
BC[7:0]
Byte 6
BC[7:0]
Byte 6
Byte 6
wLength
wLength
wLength
0000H
Byte 7
Byte 7
Byte 7
00H
00H
DM9620
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