am79c875 Advanced Micro Devices, am79c875 Datasheet - Page 29

• Manufacturer Part Number: am79c875
• Description: Netphy ?lp Low Power Quad 10/100-tx/fx Ethernet Transceiver
• Manufacturer: Advanced Micro Devices

Auto-Negotiation Link Partner Ability Register in Base Page Format (Register 5)
Auto-Negotiation Link Partner Ability Register in Next Page Format (Register 5)
Reg
Reg
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Table 12.
Table 13.
10:0
12:11
Bit
15
14
13
12
11
4:0
Bit
15
14
13
10
9
8
7
6
5
Auto-Negotiation Link Partner Ability Register in Base Page Format (Register 5)
Auto-Negotiation LInk Partner Ability Register in Next Page Format (Register 5)
100BASE-TX Half
100BASE-TX Full
Acknowledge 2
Message Page
Message Field
Acknowledge
10BASE-T Half
10BASE-T Full
Selector Field
Acknowledge
Remote Fault
100BASE-T4
Next Page
Flow Control
Next Page
Reserved
Toggle
Name
Duplex
Duplex
Duplex
Duplex
Name
Description
1 = Next Page Requested by Link Partner.
0 = Next Page Not Requested.
1 = Link Partner Acknowledgement.
0 = No Link Partner Acknowledgement.
1 = Link Partner message Page Request.
0 = No Link partner Message Page Request.
1 = Link Partner can Comply with Next Page Request.
0 = Link Partner cannot Comply with Next Page
Request.
Link Partner Toggle.
Link Partner’s Message Code.
Description
1 = Next Page Requested by Link Partner.
0 = Next Page Not Requested.
1 = Link Partner Acknowledgement.
0 = No Link Partner Acknowledgement.
1 = Link Partner Remote Fault Request.
0 = No Link Partner Remote Fault Request.
Reserved for Future Technology
1 = Link Partner supports Flow Control.
0 = Link Partner does not support Flow Control.
1 = Remote Partner is 100BASE-T4 Capable.
0 = Remote Partner is not 100BASE-T4 Capable.
1 = Link Partner is capable of 100BASE-TX with Full
Duplex.
0 = Link Partner is Not Capable of 100BASE-TX with
Full Duplex
1 = Link Partner is Capable of 100BASE-TX with Half
Duplex.
0 = Link Partner is Not Capable of 100BASE-TX with
Half Duplex
1 = Link Partner is capable of 10BASE-T with Full
Duplex.
0 = Link Partner is Not Capable of 10BASE-T with Full
Duplex
1 = Link Partner is capable of 10BASE-T with Half
Duplex.
0 = Link Partner is Not Capable of 10BASE-T with Half
Duplex.
Link Partner Selector Field.
Am79C875
Read/
Write
Read/
Write
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Default
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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