7.1.6 Auto-Negotiation Link Partner Ability Register (ANLPAR) (BASE Page)
This register contains the advertised abilities of the Link Partner as received during Auto-Negotiation. The content
changes after the successful auto-negotiation if Next-pages are supported.
Table 17. Auto-Negotiation Link Partner Ability Register (ANLPAR) (BASE Page), address 0x05
Bit
Bit Name
Default
Description
15
NP
0, RO
Next Page Indication:
0 = Link Partner does not desire Next Page Transfer.
1 = Link Partner desires Next Page Transfer.
Acknowledge:
14
13
ACK
RF
0, RO
0, RO
1 = Link Partner acknowledges reception of the ability data word.
0 = Not acknowledged.
The Auto-Negotiation state machine will automatically control the
this bit based on the incoming FLP bursts.
Remote Fault:
1 = Remote Fault indicated by Link Partner.
0 = No Remote Fault indicated by Link Partner.
RESERVED for Future IEEE use:
12
11
RESERVED
ASM_DIR
0, RO
0, RO
Write as 0, read as 0.
ASYMMETRIC PAUSE:
1 = Asymmetric pause is supported by the Link Partner.
0 = Asymmetric pause is not supported by the Link Partner.
PAUSE:
10
9
PAUSE
T4
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
1 = Pause function is supported by the Link Partner.
0 = Pause function is not supported by the Link Partner.
100BASE-T4 Support:
1 = 100BASE-T4 is supported by the Link Partner.
0 = 100BASE-T4 not supported by the Link Partner.
100BASE-TX Full Duplex Support:
8
TX_FD
TX
1 = 100BASE-TX Full Duplex is supported by the Link Partner.
0 = 100BASE-TX Full Duplex not supported by the Link Partner.
100BASE-TX Support:
7
1 = 100BASE-TX is supported by the Link Partner.
0 = 100BASE-TX not supported by the Link Partner.
10BASE-T Full Duplex Support:
6
10_FD
10
1 = 10BASE-T Full Duplex is supported by the Link Partner.
0 = 10BASE-T Full Duplex not supported by the Link Partner.
10BASE-T Support:
5
1 = 10BASE-T is supported by the Link Partner.
0 = 10BASE-T not supported by the Link Partner.
4:0
Selector
<0 0000>, RO Protocol Selection Bits:
Link Partner’s binary encoded protocol selector.
47
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