AM79C873 Advanced Micro Devices, AM79C873 Datasheet - Page 25

• Manufacturer Part Number: AM79C873
• Description: NetPHY -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support
• Manufacturer: Advanced Micro Devices

Auto-Negotiation Link Partner Ability
Register (ANLPAR) - Register 5
This register contains the advertised abilities of the link partner as they are received during Auto-Negotiation.
5.12-5.10
5.4-5.0
5.15
5.14
5.13
Bit
5.9
5.8
5.7
5.6
5.5
Bit Name
Reserved
TX_HDX
TX_FDX
10_HDX
10_FDX
Selector
ACK
NP
RF
T4
<00000>, RO
Default
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
P R E L I M I N A R Y
Next Page Indication:
0= Link partner, no next page available.
1= Link partner, next page available.
Acknowledge:
1=Link partner ability data reception acknowledged.
0=Not acknowledged.
The NetPHY-1 device's Auto-Negotiation state machine will automatically
control this bit from the incoming FLP bursts. Software should not attempt
to write to this bit.
Remote Fault:
1=Remote fault indicated by link partner.
0=No remote fault indicated by link partner.
Reserved:
Write as 0, ignore on read.
100BASE-T4 Support:
1=100BASE-T4 supported by the link partner.
0=100BASE-T4 not supported by the link partner.
100BASE-TX Full Duplex Support:
1=100BASE-TX Full Duplex supported by the link partner.
0=b 100BASE-TX Full Duplex not supported by the link partner.
100BASE-TX Support:
1=100BASE-TX Half Duplex supported by the link partner.
0=100BASE-TX Half Duplex not supported by the link partne.r
10BASE-T Full Duplex Support:
1=10BASE-T Full Duplex supported by the link partner.
0=10BASE-T Full Duplex not supported by the link partner.
10BASE-T Support:
1=10BASE-T Half Duplex supported by the link partner.
0=10BASE-T Half Duplex not supported by the link partner.
Protocol Selection Bits:
Link partners binary encoded protocol selector.
Am79C873
Description
25