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RTL8100B(L)
2001-11-9
Rev.1.41
30
5.27 CS Configuration Register
(Offset 0074h-0075h, R/W)
Bit
Name
Description/Usage
Default/Attribute
15
Testfun
1 = Auto-neg speeds up internal timer
0,WO
14-10
-
Reserved
-
9
LD
Active low TPI link disable signal. When low, TPI still transmits
link pulses and TPI stays in good link state.
1, RW
8
HEART BEAT
1 = HEART BEAT enable, 0 = HEART BEAT disable. HEART
BEAT function is only valid in 10Mbps mode.
1, RW
7
JBEN
1 = enable jabber function. 0 = disable jabber function
1, RW
6
F_LINK_100
Used to login force good link in 100Mbps for diagnostic purposes.
1 = DISABLE, 0 = ENABLE.
1, RW
5
F_Connect
Assertion of this bit forces the disconnect function to be bypassed.
0, RW
4
-
Reserved
-
3
Con_status
This bit indicates the status of the connection. 1 = valid connected
link detected; 0 = disconnected link detected.
0, RO
2
Con_status_En
Assertion of this bit configures LED1 pin to indicate connection
status.
0, RW
1
-
Reserved
-
0
PASS_SCR
Bypass Scramble
0, RW
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