DM9620 DAVICOM [Davicom Semiconductor, Inc.], DM9620 Datasheet - Page 42
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DM9620
Manufacturer Part Number
DM9620
Description
USB2.0 to 10/100M Fast Ethernet Controller
Manufacturer
DAVICOM [Davicom Semiconductor, Inc.]
Datasheet
1.DM9620.pdf
(71 pages)
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2. Not Supported Standard Commands
7.1.2 Vendor commands
7.1.2.1 Register Type
Preliminary
Version: DM9620 -15-DS-P02
February 20, 2012
There are two types of vendor’s command. We can access internal register maximum 64 bytes, and can
access internal memory.
READ_REGISTER( )
Setup Stage
WRITE_REGISTER( )
Setup Stage
WRITE1_REGISTER( )
Setup Stage
•
•
•
•
BmReqType
BmReqType
BmReqType
Clear_Feature (Interface)
Set_Feature (Interface)
Set_Descriptor ( )
Sync_Frame ( )
Byte 0
Byte 0
40H
Byte 0
C0H
40H
Byte 1
bReq
Byte 1
03H
bReq
Byte 1
00H
bReq
01H
Data[7:0]
Byte 2
Byte 2
00H
Byte 2
WValue
00H
Wvalue
WValue
Byte
00H
3
Byte 3
00H
Byte 3
00H
RegOffset[7:
Byte 4
RegOffset[7:0]
0]
RegOffset[7:0]
WIndex
Byte 4
Byte 4
wIndex
wIndex
Byte 5
00H
Byte 5 Byte 6
Byte 5
00H
00H
USB2.0 to Fast Ethernet Controller
BC[7:0]
Byte 6
wLength
BC[7:0]
Byte 6
wLength
0000H
wLength
Byte
00H
7
Byte 7
Byte 7
00H
DM9620
42
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