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X-Ref Target - Figure 2-19 
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The Auto-Negotiation Ability Base register (Register 5) contains information related to the status of the link between the PHY and its physical link partner across the Medium.
|
Bits |
Name |
Description |
Attributes |
Default Value |
|---|---|---|---|---|
|
5.15 |
PHY Link Status |
This refers to the link status of the PHY with its link partner across the Medium. 1 = Link Up 0 = Link Down |
read only |
1 |
|
5.14 |
Acknowledge |
Used by Auto-Negotiation function to indicate reception of a link partner base or next page |
read only |
0 |
|
5.13 |
Reserved |
Always returns 0, writes ignored |
returns 0 |
0 |
|
5.12 |
Duplex Mode |
1= Full Duplex 0 = Half Duplex |
read only |
0 |
|
5.11:10 |
Speed |
11 = Reserved 10 = 1 Gbps 01 = 100 Mbps 00 = 10 Mbps |
read only |
00 |
|
5.9:1 |
Reserved |
Always return 0s |
returns 0s |
000000000 |
|
5.0 |
Reserved |
Always returns 1 |
returns 1 |
1 |