RTL8201CL
Datasheet
6.5. Register 4 Auto-Negotiation Advertisement Register (ANAR)
This register contains the advertised abilities of this device as they will be transmitted to its link partner
during auto-negotiation.
Table 13. Register 4 Auto-Negotiation Advertisement Register (ANAR)
Address
Name
Description
Mode
Default
4:15
NP
Next Page bit.
RO
0
0: Transmitting the primary capability data page
1: Transmitting the protocol specific data page
1: Acknowledge reception of link partner capability data word
0: Do not acknowledge reception
1: Advertise remote fault detection capability
0: Do not advertise remote fault detection capability
4:14
4:13
ACK
RF
RO
0
0
RW
4:12
4:11
Reserved
TXFC
1: TX flow control is supported by local node
0: TX flow control not supported by local node
1: RX flow control is supported by local node
0: RX flow control not supported by local node
1: 100Base-T4 is supported by local node
RW
RW
RO
0
4:10
4:9
RXFC
T4
0
0
0: 100Base-T4 not supported by local node
4:8
TXFD
TX
1: 100Base-TX full duplex is supported by local node
0: 100Base-TX full duplex not supported by local node
1: 100Base-TX is supported by local node
0: 100Base-TX not supported by local node
1: 10Base-T full duplex supported by local node
0: 10Base-T full duplex not supported by local node
1: 10Base-T is supported by local node
0: 10Base-T not supported by local node
Binary encoded selector supported by this node. Currently only
CSMA/CD 00001 is specified. No other protocols are supported.
RW
RW
RW
RW
RW
1
4:7
1
4:6
10FD
10
1
1
4:5
4:4~0
Selector
00001
6.6. 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 14. 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
1: Link partner acknowledges reception of local node’s capability
data word
0: No acknowledgement
1: Link partner is indicating a remote fault
0: Link partner does not indicate a remote fault
5:14
5:13
ACK
RF
RO
RO
RO
0
0
0
5:12
5:11
Reserved
TXFC
1: TX flow control is supported by Link partner
0: TX flow control not supported by Link partner
Single-Chip/Port 10/100 Fast Ethernet PHYceiver
10
Track ID: JATR-1076-21 Rev. 1.24
REALTEK [ Realtek Semiconductor Corp. ]
