RTL8201E(L)
Datasheet
Address Name
Description
Mode Default
17:7
17:6
17:5
17:4
F_Link_100
Used to logic force a 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.
RW
RW
RW
RW
1
1
0
0
JBEN
CODE_err
PME_err
Assertion of this bit causes a pre-mature end error detection to be
reported.
17:3
17:2
LINK_err
PKT_err
Assertion of this bit causes a link error detection to be reported.
RW
RW
0
0
Assertion of this bit causes a ‘detection of packet errors due to 722 ms
time-out’ to be reported.
17:1
17:0
FXMODE
SNIMODE
This bit indicates whether Fiber Mode is enabled.
This bit indicates whether SNI Mode is enabled.
RW
RW
0
0
7.10. Register 18 RX_ER Counter (REC)
Table 20. Register 18 RX_ER Counter (REC)
Address Name
Description
Mode
Default
18:15~0 RXERCNT
This 16-bit counter increments by 1 for each invalid packet received.
The value is valid while the link is established.
RO
0000
7.11. Register 19 SNR Display Register
Table 21. Register 19 SNR Display Register
Address
Name
Description
Mode
Default
19:15~4 Reserved
Realtek Test Mode Internal Use.
-
-
Do not change this field without Realtek’s approval.
19:3~0
SNR_0
These 4-Bits Show the Signal to Noise Ratio Value.
RW
0000
7.12. Register 25 Test Register
Table 22. Register 25 Test Register
Address Name
Description
Mode
RW
Default
25:15~12 Test
Reserved for Internal Testing.
-
This Bit Decides the Type of TXC in RMII mode
RW
1
25:11
25:10
RMII_CLKIN
0: Output
1: Input
RMII Mode
This Bit Sets the RMII Mode.
RW
0
1: RMII mode
Reserved.
0: MII mode
25:9
Reserved
-
-
25:7~8
PHYAD[1:0]
Reflects the PHY address defined by external PHY address
configuration pins.
RO
00001
25:6~2
25:1
Test
Reserved for Internal Testing.
RO
RO
-
LINK10
1: 10Base-T link established
0
0: No 10Base-T link established
25:0
LINK100
1: 100Base-FX or 100Base-TX link established
0: No 100Base link established
RO
0
Single-Chip/Port 10/100 Fast Ethernet PHYceiver
with Auto MDIX
16
Track ID: JATR-1076-21 Rev. 1.3
REALTEK [ Realtek Semiconductor Corp. ]
