DM9621 datasheet(40/66 Pages) DAVICOM

부품명	DM9621

상세설명	USB2.0 to 10/100M Fast Ethernet Controller

PDF	66 Pages

Scroll/Zoom	100%

제조업체	DAVICOM [Davicom Semiconductor, Inc.]

홈페이지	http://www.davicom.com.tw

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40 / 66 page

DM9621

USB2.0 to Fast Ethernet Controller

Preliminary

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

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

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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