DM9161B
10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver
27 Final
Version: DM9161B-12-DS-F01
January 31, 2008
8.6 Auto-negotiation Link Partner Ability Register (ANLPAR) – 05
This register contains the advertised abilities of the link partner when received during Auto-negotiation.
Bit Bit Name Default Description
5.15 NP 0, RO Next Page Indication
1 = Link partner, next page available
0 = Link partner, no next page available
5.14 ACK 0, RO Acknowledge
1 = Link partner ability data reception acknowledged
0 = Not acknowledged
The DM9161B'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 RF 0, RO Remote Fault
1 = Remote fault indicated by link partner
0 = No remote fault indicated by link partner
5.12-5.11 Reserved 0, RO Reserved
Read as 0, ignore on write
5.10 FCS 0, RO Flow Control Support
1 = Controller chip supports flow control ability by link partner
0 = Controller chip doesn’t support flow control ability by link partner
5.9 T4 0, RO 100BASE-T4 Support
1 = 100BASE-T4 is supported by the link partner
0 = 100BASE-T4 is not supported by the link partner
5.8 TX_FDX 0, RO 100BASE-TX Full Duplex Support
1 = 100BASE-TX full duplex is supported by the link partner
0 = 100BASE-TX full duplex is not supported by the link partner
5.7 TX_HDX 0, RO 100BASE-TX Support
1 = 100BASE-TX half duplex is supported by the link partner
0 = 100BASE-TX half duplex is not supported by the link partner
5.6 10_FDX 0, RO 10BASE-T Full Duplex Support
1 = 10BASE-T full duplex is supported by the link partner
0 = 10BASE-T full duplex is not supported by the link partner
5.5 10_HDX 0, RO 10BASE-T Support
1 = 10BASE-T half duplex is supported by the link partner
0 = 10BASE-T half duplex is not supported by the link partner
5.4-5.0 Selector <00000>, RO Protocol Selection Bits
Link partner’s binary encoded protocol selector
