RTL8201N
Datasheet
7.6. Register 5 Auto-Negotiation Link Partner Ability Register
(ANLPAR)
This register contains the advertised abilities of the Link Partner as received during auto-negotiation. The
content changes after a successful auto-negotiation if Next-pages are supported.
Table 15. Register 5 Auto-Negotiation Link Partner Ability Register (ANLPAR)
Address
Name
Description
Mode
Default
5:15
NP
Next Page bit.
RO
0
0: Transmitting the primary capability data page
1: Transmitting the protocol specific data page
5:14
5:13
ACK
RF
1: Link partner acknowledges reception of local node’s capability
data word
0: No acknowledgement
RO
RO
0
0
1: Link partner is indicating a remote fault
0: Link partner is not indicating a remote fault
-
5:12
5:11
Reserved
TXFC
-
-
1: TX flow control is supported by Link partner
0: TX flow control not supported by Link partner
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
0
5:10
5:9
5:8
5:7
RXFC
T4
RO
RO
RO
RO
0
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
RO
RO
0
0
10Base-T
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.
5:4~0
Selector
Link Partner’s binary encoded node selector. Currently only
CSMA/CD 00001 is specified
RO
00000
Single-Chip/Port 10/100 Fast Ethernet PHYceiver
With Auto MDIX
13
Rev. 1.2
ETC [ ETC ]
