W89C841F Datasheet, PDF (86/102 Pages) Winbond – 3-IN - 1 10/100M FAST ETHERNET CONTROLLER

W89C841F/D
PHY 100M Module Control Register (Register 11h)
BIT(S)
17.
15:8
17.7
17.6:5
17.4
17.3
17.2:1
17.0
NAME
Reserved
Reserved
DESCRIPTION
SELFX
FXTSEL[1:0]
DISSCR
ENFEFI
BSLIMT[1:0]
ADFS
Fiber Select
1: Fiber Mode
0: TP Mode
Fiber Control Signal
Disable Scrambler
1 – Disable Scrambler
0 – Enable Scrambler
Enable FEFI
1 – Enable FEFI
0 – Disable FEFI
Base Line Threshold Adjust
AD Full Scale Adjust
PHY Specific Status Register (Register 12h)
BIT(S)
18.
15:13
18.12
18.11
18.10
18.9
NAME
RESERVED
Reserved
DESCRIPTION
FXEN
XOVER
JAB
POLAR
Fiber Enable. Only Changed when PHY Reset
0: TX
1: FX mode
OR’ed result of PI_SELFX and 17.9 (SELFX)
Cross Over.
0: MDI mode
1: MDIX mode
Real Time Jabber Status
1 – Jabber
0 – No Jabber
Polarity.
0: Normal Polarity
1: Polarity Reversed
R/W DEFAULT
RO
0h
R/W
0h
R/W
1h
R/W
0h
R/W
pin
R/W
1h
R/W
0h
R/W DEFAULT
RO
0h
RO
pin
RO
0h
RO
0h
RO
0h
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