DM9103EP datasheet(44/89 Pages) DAVICOM

Part #	DM9103EP

Description	10/100 Mbps 3-port Ethernet Switch Controller with PCI Interface

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Manufacturer	DAVICOM [Davicom Semiconductor, Inc.]

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DM9103

3-port switch with PCI Interface

44

Preliminary datasheet

DM9103-DS-P02

September 26, 2007

6.3.2.2

Transmit buffer control and buffer size Register (TDES1)

Bit

Name

Default

Description

31:11

CI

0,RW

Completion Interrupt

30

ED

0,RW

Ending Descriptor

29

BD

0,RW

Begin Descriptor

28

FB1

0,RW

Filtering Mode Bit 1

27

SF

0,RW

Setup Frame

26

CAD

0,RW

CRC Append Disable

25

RESERVED

0,RW

Reserved

24

CHAIN

0,RW

Chain Mode

Must be set to 1 in application

23

RESERVED

0,RW

Reserved

22

FB0

0,RW

Filtering Mode Bit 0

21

IP

0,RW

IP Packet Checksum Generation

20

TCP

0,RW

TCP Packet Checksum Generation

19

UDP

0,RW

UDP Packet Checksum Generation

18:11

RESERVED

0,RW

Reserved

10:0

BL

0,RW

Buffer Length

Bit

Name

Default

Description

31:0

BUFADR

0,RW

Buffer start address bit 31:00

6.3.2.4

Next descriptor Address Register (TDES3)

Bit

Name

Default

Description

31:0

NADR

0,RO

Next descriptor address, bit 2~0 should be set 0.

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DM9103EP Datasheet(PDF) 44 Page - Davicom Semiconductor, Inc.

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