SMSC LAN9312 - Manual (Page 296)

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 296 SMSC LAN9312
DATASHEET
14.4.2.6 Port x PHY Auto-Negotiation Link Partner Base Page Ability Register
(PHY_AN_LP_BASE_ABILITY_x)
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.
Index (decimal): 5 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15 Next Page
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
RO 0b
14 Acknowledge
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
RO 0b
13 Remote Fault
This bit indicates whether a remote fault has been detected.
0: No remote fault
1: Remote fault detected
RO 0b
12 RESERVED RO -
11 Asymmetric Pause
This bit indicates the link partner PHY asymmetric pause capability.
0: No Asymmetric PAUSE toward link partner
1: Asymmetric PAUSE toward link partner
RO 0b
10 Pause
This bit indicates the link partner PHY symmetric pause capability.
0: No Symmetric PAUSE toward link partner
1: Symmetric PAUSE toward link partner
RO 0b
9 100BASE-T4
This bit indicates the link partner PHY 100BASE-T4 capability.
0: 100BASE-T4 ability not supported
1: 100BASE-T4 ability supported
RO 0b
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
RO 0b
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
RO 0b