SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
291
Revision 1.4 (08-19-08)
DATASHEET
14.4.2.2
Port x PHY Basic Status Register (PHY_BASIC_STATUS_x)
This register is used to monitor the status of the Port x PHY.
Index (decimal):
1
Size:
16 bits
BITS
DESCRIPTION
TYPE
DEFAULT
15
100BASE-T4
This bit displays the status of 100BASE-T4 compatibility.
This bit displays the status of 100BASE-T4 compatibility.
0: PHY not able to perform 100BASE-T4
1: PHY able to perform 100BASE-T4
1: PHY able to perform 100BASE-T4
RO
0b
14
100BASE-X Full Duplex
This bit displays the status of 100BASE-X full duplex compatibility.
This bit displays the status of 100BASE-X full duplex compatibility.
0: PHY not able to perform 100BASE-X full duplex
1: PHY able to perform 100BASE-X full duplex
1: PHY able to perform 100BASE-X full duplex
RO
1b
13
100BASE-X Half Duplex
This bit displays the status of 100BASE-X half duplex compatibility.
This bit displays the status of 100BASE-X half duplex compatibility.
0: PHY not able to perform 100BASE-X half duplex
1: PHY able to perform 100BASE-X half duplex
1: PHY able to perform 100BASE-X half duplex
RO
1b
12
10BASE-T Full Duplex
This bit displays the status of 10BASE-T full duplex compatibility.
This bit displays the status of 10BASE-T full duplex compatibility.
0: PHY not able to perform 10BASE-T full duplex
1: PHY able to perform 10BASE-T full duplex
1: PHY able to perform 10BASE-T full duplex
RO
1b
11
10BASE-T Half Duplex
This bit displays the status of 10BASE-T half duplex compatibility.
This bit displays the status of 10BASE-T half duplex compatibility.
0: PHY not able to perform 10BASE-T half duplex
1: PHY able to perform 10BASE-T half duplex
1: PHY able to perform 10BASE-T half duplex
RO
1b
10
100BASE-T2 Full Duplex
This bit displays the status of 100BASE-T2 full duplex compatibility.
This bit displays the status of 100BASE-T2 full duplex compatibility.
0: PHY not able to perform 100BASE-T2 full duplex
1: PHY able to perform 100BASE-T2 full duplex
1: PHY able to perform 100BASE-T2 full duplex
RO
0b
9
100BASE-T2 Half Duplex
This bit displays the status of 100BASE-T2 half duplex compatibility.
This bit displays the status of 100BASE-T2 half duplex compatibility.
0: PHY not able to perform 100BASE-T2 half duplex
1: PHY able to perform 100BASE-T2 half duplex
1: PHY able to perform 100BASE-T2 half duplex
RO
0b
8:6
RESERVED
RO
-
5
Auto-Negotiation Complete
This bit indicates the status of the Auto-Negotiation process.
This bit indicates the status of the Auto-Negotiation process.
0: Auto-Negotiation process not completed
1: Auto-Negotiation process completed
1: Auto-Negotiation process completed
RO
0b
4
Remote Fault
This bit indicates if a remote fault condition has been detected.
This bit indicates if a remote fault condition has been detected.
0: No remote fault condition detected
1: Remote fault condition detected
1: Remote fault condition detected
RO/LH
0b