RTL8201CL
Datasheet
6.8. Register 16 NWay Setup Register (NSR)
Table 16. Register 16 NWay Setup Register (NSR)
Address
16:15~12
16:11
16:10
16:9
16:8~3
16:2
16:1
Name
Description
Mode
Default
Reserved
ENNWLE
Testfun
NWLPBK
Reserved
FLAGABD
FLAGPDF
FLAGLSC
1: LED4 Pin indicates linkpulse
1: Auto-negotiation speeds up internal timer
1: Set NWay to loopback mode
RW
RW
RW
0
0
0
1: Auto-negotiation experienced ability detect state
1: Auto-negotiation experienced parallel detection fault state
1: Auto-negotiation experienced link status check state
RO
RO
RO
0
0
0
16:0
6.9. Register 17 Loopback, Bypass, Receiver Error Mask
Register (LBREMR)
Table 17. Register 17 Loopback, Bypass, Receiver Error Mask Register (LBREMR)
Address
17:15
17:14
Name
RPTR
BP_4B5B
Description
Mode
RW
RW
Default
Set to 1 to put the RTL8201CL into repeater mode.
Assertion of this bit allows bypassing of the 4B/5B & 5B/4B
encoder.
0
0
17:13
BP_SCR
Assertion of this bit allows bypassing of the
scrambler/descrambler.
RW
0
17:12
17:11
LDPS
AnalogOFF
Set to 1 to enable Link Down Power Saving mode.
Set to 1 to power down analog function of transmitter and
receiver.
RW
RW
0
0
17:10
17:9
17:8
17:7
17:6
17:5
17:4
Reserve
LB
F_Link_10
F_Link_100
JBEN
Reserved.
Set to 1 to enable DSP Loopback.
RW
RW
RW
RW
RW
RW
0
1
1
1
0
0
Used to logic force good link in 10Mbps for diagnostic purposes.
Used to logic force good link in 100Mbps for diagnostic purposes.
Set to 1 to enable Jabber Function in 10Base-T.
Assertion of this bit causes a code error detection to be reported.
Assertion of this bit causes a pre-mature end error detection to be
reported.
CODE_err
PME_err
17:3
17:2
LINK_err
PKT_err
Assertion of this bit causes a link error detection to be reported.
Assertion of this bit causes a ‘detection of packet errors due to
722 ms time-out’ to be reported.
RW
RW
0
0
17:1
17:0
FXMODE
RMIIMODE
This bit indicates whether Fiber Mode is Enabled.
This bit indicates whether RMII mode is Enabled.
RO
RO
0
0
Single-Chip/Port 10/100 Fast Ethernet PHYceiver
12
Track ID: JATR-1076-21 Rev. 1.24
REALTEK [ Realtek Semiconductor Corp. ]
