DM9161 datasheet(25/47 Pages) ETC

25 / 47 page

DM9161

10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver

Final

Version: DM9161-DS-F02

May 10,2002

8.5 Auto-negotiation Advertisement Register (ANAR) - 04

This register contains the advertised abilities of this DM9161 device as they will be transmitted to its link partner

during Auto-negotiation.

Bit

Bit Name

Default

Description

4.15

0,RO/P

Next page Indication

0 = No next page available

1 = Next page available

The DM9161 has no next page, so this bit is permanently set to 0

4.14

ACK

0,RO

Acknowledge

1 = Link partner ability data reception acknowledged

0 = Not acknowledged

The DM9161's auto-negotiation state machine will automatically

control this bit in the outgoing FLP bursts and set it at the

appropriate time during the auto-negotiation process. Software

should not attempt to write to this bit.

4.13

0, RW

Remote Fault

1 = Local device senses a fault condition

0 = No fault detected

4.12-4.11

Reserved

X, 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 is supported by the local device

0 = 100BASE-T4 is not supported

The DM9161 does not support 100BASE-T4 so this bit is

permanently set to 0

4.8

TX_FDX

1, RW

100BASE-TX Full Duplex Support

1 = 100BASE-TX full duplex is supported by the local device

0 = 100BASE-TX full duplex is not supported

4.7

TX_HDX

1, RW

100BASE-TX Support

1 = 100BASE-TX half duplex is supported by the local device

0 = 100BASE-TX half duplex is not supported

4.6

10_FDX

1, RW

10BASE-T Full Duplex Support

1 = 10BASE-T full duplex is supported by the local device

0 = 10BASE-T full duplex is not supported

4.5

10_HDX

1, RW

10BASE-T Support

1 = 10BASE-T half duplex is supported by the local device

0 = 10BASE-T half duplex is not supported

4.4-4.0

Selector

<00001>, RW 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

DM9161 Datasheet(PDF) 25 Page - List of Unclassifed Manufacturers

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