![](http://datasheet.mmic.net.cn/230000/IP101_datasheet_15585017/IP101_13.png)
IP101
6.0 Register Descriptions
(continued)
Register 5 describes the advertised abilities of the Link Partner’s PHY when it is receiving data during the process of
auto-negotiation. If next-pages are supported, this register may change after the auto-negotiation has established.
Register 5 : Auto-Negotiation Link Partner Ability Register
IP101-DS-R0.02
Feb. 24, 2003
13 / 33
Copyright
2003, IC Plus Corp.
Confidential, All rights reserved.
Advanced, Specification subject to change without notice.
NOT APPROVED BY TECHNICAL DOCUMENT CONTROL
Address
Name
Description/Usage
Default value (h):
0080
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 by local node
0 = asymmetric flow control is NOT supported by local node
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 is established
by parallel detection.
1, 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 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