8101 Datasheet, PDF (120/172 Pages) LSI Computer Systems – Gigabit Ethernet Controller

ACK
Acknowledge
14, R
ACK
Description
1
Received AutoNegotiation word recognized
0
Not recognized
RF[2:1]
Remote Fault
RF[2:1]
Description
11
AutoNegotiation error
10
Offline
01
Link failure
00
No error, link OK
[13:12], R
RES
Reserved
Reserved for future IEEE use.
[11:9], [4:0], R
PS_DIR, PS Pause Capable
[8:7], R
PS_DIR, PS
11
10
01
00
Description
Capable of receive pause only
Capable of transmit pause only
Capable of transmit and receive pause only
Not capable
HDX
Half-Duplex Capable
HDX
Description
1
Capable of half-duplex
0
Not capable
6, R
FDX
Full-Duplex Capable
FDX
Description
1
Capable of full-duplex
0
Not capable
5, R
4-32
Registers
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