RTL8100B Datasheet, PDF (30/58 Pages) List of Unclassifed Manufacturers – REALTEK SINGLE CHIP FAST ETHERNET CONTROLLER WITH POWER MANAGEMENT

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