High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.4.2.6
Port x PHY Auto-Negotiation Link Partner Base Page Ability Register
(PHY_AN_LP_BASE_ABILITY_x)
Index (decimal):
5
Size:
16 bits
This read-only register contains the advertised ability of the link partner’s PHY and is used in the Auto-
Negotiation process between the link partner and the Port x PHY.
BITS
DESCRIPTION
TYPE
DEFAULT
15
Next Page
RO
0b
This bit indicates the link partner PHY page capability.
0: Link partner PHY does not advertise next page capability
1: Link partner PHY advertises next page capability
14
13
Acknowledge
RO
RO
0b
0b
This bit indicates whether the link code word has been received from the
partner.
0: Link code word not yet received from partner
1: Link code word received from partner
Remote Fault
This bit indicates whether a remote fault has been detected.
0: No remote fault
1: Remote fault detected
12
11
RESERVED
RO
RO
-
Asymmetric Pause
This bit indicates the link partner PHY asymmetric pause capability.
0b
0: No Asymmetric PAUSE toward link partner
1: Asymmetric PAUSE toward link partner
10
9
Pause
RO
RO
RO
RO
RO
0b
0b
0b
0b
0b
This bit indicates the link partner PHY symmetric pause capability.
0: No Symmetric PAUSE toward link partner
1: Symmetric PAUSE toward link partner
100BASE-T4
This bit indicates the link partner PHY 100BASE-T4 capability.
0: 100BASE-T4 ability not supported
1: 100BASE-T4 ability supported
8
100BASE-X Full Duplex
This bit indicates the link partner PHY 100BASE-X full duplex capability.
0: 100BASE-X full duplex ability not supported
1: 100BASE-X full duplex ability supported
7
100BASE-X Half Duplex
This bit indicates the link partner PHY 100BASE-X half duplex capability.
0: 100BASE-X half duplex ability not supported
1: 100BASE-X half duplex ability supported
6
10BASE-T Full Duplex
This bit indicates the link partner PHY 10BASE-T full duplex capability.
0: 10BASE-T full duplex ability not supported
1: 10BASE-T full duplex ability supported
SMSC LAN9312
297
Revision 1.2 (04-08-08)
DATASHEET