am79c989 Advanced Micro Devices, am79c989 Datasheet - Page 22

• Manufacturer Part Number: am79c989
• Description: Quad Ethernet Switching Transceiver
• Manufacturer: Advanced Micro Devices

Auto-Negotiation Link Partner Ability Register
(Reg 5)
The Auto-Negotiation Link Partner Ability Register
(Reg 5) describes the advertised ability of the link
22
Bit(s)
Bit(s)
12:5
10:0
4:0
15
14
13
12
11
15
14
13
Technology Ability
Acknowledge 2
Message Page
Message Field
Selector Field
Acknowledge
Acknowledge
Remote Fault
Next Page
Next Page
Toggle
Name
Name
1 = Link partner next page requested;
0 = Link partner next page not requested.
1 = Link Partner acknowledged;
0 = Link Partner not acknowledged.
1 = Link Partner message page;
0 = Link Partner unformatted next page.
1 = Link Partner can comply with the request
0 = Link Partner cannot comply with the request.
Link partner toggle bit.
Link partner's message code.
1 = Link partner next page requested;
0 = Link partner next page not requested.
1 = Link Partner acknowledged;
0 = Link Partner not acknowledged.
1 = Link Partner has a remote fault;
0 = Link Partner does not have a remote fault.
Link Partner technology ability.
Link partner selector field.
Table 12. Base Page Format
Table 13. Next Page Format
P R E L I M I N A R Y
Am79C989
Description
Description
partner. The register is Read/Only (R/O). The bits rep-
resent the received link code word. This register con-
tains either the base page or the link partner's next
pages. This register is duplicated for each port.
Read/
Write
Read/
Write
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
Default/
Default/
Reset
Reset
0
0
0
0
0
0
0
0
0
0
0