DM9101
10/100Mbps Ethernet Physical Layer Single Chip Transceiver
Auto-negotiation Advertisement Register (ANAR) - Register 4 (continued)
Bit
4.6
Bit Name
10_FDX
Default
1, RW
Description
10Base-T Full Duplex Support:
1=10Base-T Full Duplex supported by the local device
0=10Base-T Full Duplex not supported
10Base-T Support:
1=10Base-T supported by the local device
0=10Base-T not supported
4.5
10_HDX
Selector
1, RW
Protocol Selection Bits:
4.4-4.0
<00001>, RW
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) - Register 5
This register contains the advertised abilities of the link partner as they are received during Auto-negotiation.
Bit
Bit Name
Default
Description
Next Page Indication:
5.15
NP
0, RO
0= Link partner, no next page available
1= Link partner, next page available
Acknowledge:
5.14
ACK
0, RO
1=Link partner ability data reception acknowledged
0=Not acknowledged
The DM9101'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:
5.13
RF
0, RO
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:
5.12-5.10
5.9
Reserved
T4
X, RO
0, RO
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=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 partner
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:
5.8
5.7
TX_FDX
TX_HDX
10_FDX
10_HDX
Selector
0, RO
0, RO
5.6
0, RO
5.5
0, RO
1=10Base-T Half Duplex supported by the link partner
0=10Base-T Half Duplex not supported by the link partner
Protocol Selection Bits:
5.4-5.0
<00000>, RO
Link partner binary encoded protocol selector
Final
25
Version: DM9101-DS-F03
July 22, 1999
ETC [ ETC ]
