W89C841F Datasheet, PDF (82/102 Pages) Winbond – 3-IN - 1 10/100M FAST ETHERNET CONTROLLER

W89C841F/D
Advertisement (Register 4h)
BIT(S)
4.15
4.14
4.13
4.12
4.11
4.10
4.9
4.8
4.7
4.6
4.5
4.4:0
NAME
NP
Reserved
RF
IEEE Reserved
ASM_DIR
PAUSE
T4
TX_FDX
TX_HDX
10_FDX
10_HDX
Selector Field
DESCRIPTION
Next Page
Reserved
Remote Fault
1 – Remote Fault has been detected
0 – No remote fault has been detected
Reserved
Asymmetric Pause Direction.
Bit[11:10] Capability
00
No Pause
01
Symmetric PAUSE
Asymmetric PAUSE toward Link Partner
Both Symmetric PAUSE and Asymmetric PAUSE
toward local device
Pause Operation for Full Duplex
Technology Ability for 100Base-T4
100Base-TX Full Duplex
1 – Capable of 100M Full duplex operation
0 – Not capable of 100M Full duplex operation
100Base-TX Half Duplex
1 – Capable of 100M operation
0 – Not capable of 100M operation
10BASE-T Full Duplex
1 – Capable of 10M Full Duplex operation
0 – Not capable of 10M full duplex operation
10Base-T Half Duplex
1 – Capable of 10M operation
0 – Not capable of 10M operation
These 5 bits are hardwired to 00001b.
Auto Negotiation Link Partner Ability (Register 5h)
BIT(S)
5.15
5.14
5.13
5.12:11
NAME
NPAGE
ACK
RF
IEEE Reserved
DESCRIPTION
Next Page
1 – Capable of next page function
0 – Not capable of next page function
Acknowledge
1 – Link Partner acknowledges reception of the ability
data word
0 – Not acknowledged
Remote Fault
1 – Remote Fault has been detected
0 – No remote fault has been detected
Reserved
R/W DEFAULT
RO
0h
RO
0h
R/W
0h
RO
0h
R/W
0h
R/W
1h
RO
0h
R/W
1h
R/W
1h
R/W
1h
R/W
1h
RO
01h
R/W DEFAULT
RO
0h
RO
0h
RO
0h
RO
0h
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