DM9102AT datasheet(45/77 Pages) ETC

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DM9102A

Single Chip Fast Ethernet NIC controller

Final

Version: DM9102A-DS-F03

August 28, 2000

1=Local Device senses a fault condition

0=No fault detected

4.12-4.11

Reserved

00, RW

Reserved:

Write as 0, ignore on read

4.10

FCS

0, RW

Flow Control Support:

1=Controller chip supports flow control ability

0=Controller chip doesn’t support flow control ability

4.9

0, RO/P

100BASE-T4 Support:

1=100BASE-T4 supported by the local device

0=100BASE-T4 not supported

The DM9102A does not support 100BASE-T4 so this bit is permanently

4.8

TX_FDX

1, RW

100BASE-TX Full Duplex Support:

1=100BASE-TX Full Duplex supported by the local device

4.7

TX_HDX

1, RW

100BASE-TX Support:

1=100BASE-TX supported by the local device

0=100BASE-TX not supported

4.6

10_FDX

1, RW

10BASE-T Full Duplex Support:

1=10BASE-T Full Duplex supported by the local device

0=10BASE-T Full Duplex not supported

4.5

10_HDX

1, RW

10BASE-T Support:

1=10BASE-T supported by the local device

0=10BASE-T not supported

4.4-4.0

Selector

<00001>,

Protocol Selection Bits:

These bits contain the binary encoded protocol selector supported by this

node. <00001> indicates that this device supports IEEE 802.3 CSMA/CD.

Auto-negotiation Link Partner Ability Register (ANLPAR) – 5

This register contains the advertised abilities of the link partner when received during Auto-negotiation.

Bit

Name

Default

Description

5.15

0, RO

Next Page Indication:

0= Link partner, no next page available

1= Link partner, next page available

5.14

ACK

0, RO

Acknowledge:

1=Link partner ability data reception acknowledged

0=Not acknowledged

The DM9102A's Auto-negotiation state machine will automatically control this

bit from the incoming FLP bursts. Software should not attempt to write to this

bit.

5.13

0, RO

Remote Fault:

1=Remote fault indicated by link partner

0=No remote fault indicated by link partner

5.12-5.10

Reserved

000, RO

Reserved:

Write as 0, ignore on read

5.9

0, RO

100BASE-T4 Support:

1=100BASE-T4 supported by the link partner

0=100BASE-T4 not supported by the link partner

5.8

TX_FDX

0, RO

100BASE-TX Full Duplex Support:

1=100BASE-TX Full Duplex supported by the link partner

0=100BASE-TX Full Duplex not supported by the link partner

5.7

TX_HDX

0, RO

100BASE-TX Support:

DM9102AT Datasheet(PDF) 45 Page - List of Unclassifed Manufacturers

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