RTL8201CL
Datasheet
Address
Name
Description
Mode
Default
5:10
RXFC
1: RX flow control is supported by Link partner
0: RX flow control not supported by Link partner
1: 100Base-T4 is supported by link partner
0: 100Base-T4 not supported by link partner
1: 100Base-TX full duplex is supported by link partner
0: 100Base-TX full duplex not supported by link partner
RO
RO
RO
RO
0
5:9
5:8
5:7
T4
0
0
0
TXFD
100BASE-TX 1: 100Base-TX is supported by link partner
0: 100Base-TX not supported by link partner
This bit will also be set if the link in 100Base is established by
parallel detection.
5:6
5:5
10FD
1: 10Base-T full duplex is supported by link partner
0: 10Base-T full duplex not supported by link partner
1: 10Base-T is supported by link partner
0: 10Base-T not supported by link partner
This bit will also be set if the link in 10Base-T is established by
parallel detection.
RO
RO
0
0
10Base-T
5:4~0
Selector
Link Partner’s binary encoded node selector Currently only
CSMA/CD 00001 is specified
RO
00000
6.7. Register 6 Auto-Negotiation Expansion Register (ANER)
This register contains additional status for NWay auto-negotiation.
Table 15. Register 6 Auto-Negotiation Expansion Register (ANER)
Address
6:15~5
6:4
Name
Reserved
MLF
Description
Mode
Default
This bit is permanently set to 0.
Indicates whether a multiple link fault has occurred.
1: Fault occurred
RO
0
0: No fault occurred
6:3
LP_NP_ABLE Indicates whether the link partner supports Next Page negotiation.
RO
0
1: Supported
0: Not supported
6:2
6:1
NP_ABLE
PAGE_RX
This bit indicates whether the local node is able to send additional
Next Pages. Internal use only.
This bit is set when a new Link Code Word Page has been
received. It is automatically cleared when the auto-negotiation
link partner’s ability register (register 5) is read by management.
RO
RO
0
0
6:0
LP_NW_ABLE 1: Link partner supports NWay auto-negotiation.
RO
0
Single-Chip/Port 10/100 Fast Ethernet PHYceiver
11
Track ID: JATR-1076-21 Rev. 1.24
REALTEK [ Realtek Semiconductor Corp. ]
