
IP101A LF
Data Sheet
17/36
Oct 22, 2007
Copyright © 2004, IC Plus Corp.
IP101A LF-DS-R12
Register Descriptions (continued)
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.
Bit
Name
Description/Usage
Default value
(h): 0000
Register 5 Auto-Negotiation Link Partner Ability Register (ANLPAR)
15
Next Page
Next Page bit.
0 = transmitting the primary capability data page
1 = transmitting the protocol specific data page
0, RO
14
Acknowledge
1 = link partner acknowledges reception of local node’s
capability data word
0 = no acknowledgement
0, RO
13
Remote Fault
1 = link partner is indicating a remote fault
0 = link partner does not indicate a remote fault
0, RO
12
Reserved
0, RO
11
Asymmetric.
Pause
1 = asymmetric flow control is supported link partner
0 = asymmetric flow control is NOT supported by link partner
0, RO
10
Pause
1 = flow control is supported by Link partner
0 = flow control is NOT supported by Link partner
0, RO
9
T4
1 = 100Base-T4 is supported by link partner
0 = 100Base-T4 not supported by link partner
0, RO
8
TXFD
1 = 100Base-TX full duplex is supported by link partner
0 = 100Base-TX full duplex not supported by link partner
0, RO
7
100BASE-TX
1 = 100Base-TX is supported by link partner
0 = 100Base-TX not supported by link partner
This bit will also be set after the link in 100Base-TX is
established by parallel detection.
0, RO
6
10FD
1 = 10Base-T full duplex is supported by link partner
0 = 10Base-T full duplex not supported by link partner
0, RO
5
10Base-T
1 = 10Base-T is supported by link partner
0 = 10Base-T not supported by link partner
This bit will also be set after the link in 10Base-T is
established by parallel detection.
0, RO
4:0
Selector
Link Partner’s binary encoded node selector Currently only
CSMA/CD <00001> is specified
<00000>,
RO