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DM9621 Datasheet(PDF) 40 Page - Davicom Semiconductor, Inc.

Part # DM9621
Description  USB2.0 to 10/100M Fast Ethernet Controller
PDF  66 Pages
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Manufacturer  DAVICOM [Davicom Semiconductor, Inc.]
Direct Link  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9621 Datasheet(HTML) 40 Page - Davicom Semiconductor, Inc.

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DM9621
USB2.0 to Fast Ethernet Controller
Preliminary
40
Version: DM9621 -14-DS-P02
February 23, 2011
2. Not Supported Standard Commands
• Clear_Feature (Interface)
• Set_Feature (Interface)
• Set_Descriptor ( )
• Sync_Frame ( )
7.1.2 Vendor commands
There are two types of vendor’s command. We
can access internal register maximum 64 bytes,
and can access internal memory.
7.1.2.1 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



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