|
X-Ref Target - Figure 2-28 |
|
Bits |
Name |
Description |
Attributes |
Default Value |
|---|---|---|---|---|
|
1.15 |
100BASE-T4 |
Always returns a 0 for this bit because 100BASE-T4 is not supported |
returns 0 |
0 |
|
1.14 |
100BASE-X Full Duplex |
Always returns a 0 for this bit because 100BASE-X Full Duplex is not supported |
returns 0 |
0 |
|
1.13 |
100BASE-X Half Duplex |
Always returns a 0 for this bit because 100BASE-X Half Duplex is not supported |
returns 0 |
0 |
|
1.12 |
10 Mbps Full Duplex |
Always returns a 0 for this bit because 10 Mbps Full Duplex is not supported |
returns 0 |
0 |
|
1.11 |
10 Mbps Half Duplex |
Always returns a 0 for this bit because 10 Mbps Half Duplex is not supported |
returns 0 |
0 |
|
1.10 |
100BASE-T2 Full Duplex |
Always returns a 0 for this bit because 100BASE-T2 Full Duplex is not supported |
returns 0 |
0 |
|
1.9 |
100BASE-T2 Half Duplex |
Always returns a 0 for this bit because 100BASE-T2 Half Duplex is not supported |
returns 0 |
0 |
|
1.8 |
Extended Status |
Always returns a 1 for this bit to indicate the presence of the Extended register (Register 15) |
returns 1 |
1 |
|
1.7 |
Unidirectional Ability |
Always returns 1, writes ignored |
returns 1 |
1 |
|
1.6 |
MF Preamble Suppression |
Always returns a 1 for this bit to indicate that Management Frame Preamble Suppression is supported |
returns 1 |
1 |
|
1.5 |
Auto- Negotiation Complete |
1 = Auto-Negotiation process completed across SGMII link 0 = Auto-Negotiation process not completed across SGMII link |
read only |
0 |
|
1.4 |
Remote Fault |
1 = A fault on the Medium has been detected 0 = No fault of the Medium has been detected |
read only self clearing on read |
0 |
|
1.3 |
Auto- Negotiation Ability |
Always returns a 1 for this bit to indicate that the SGMII core is capable of Auto-Negotiation |
returns 1 |
1 |
|
1.2 |
SGMII Link Status |
1 = SGMII Link is up 0 = SGMII Link is down Latches 0 if the SGMII Link Status goes down. Clears to current SGMII Link Status on read. See the following Link Status section for further details. |
read only self clearing on read |
0 |
|
1.1 |
Jabber Detect |
Always returns a 0 for this bit because Jabber Detect is not supported |
returns 0 |
0 |
|
1.0 |
Extended Capability |
Always returns a 0 for this bit because no extended register set is supported |
returns 0 |
0 |