SMSC LAN9311 User Manual

Page of 460
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
249
Revision 1.4 (08-19-08)
DATASHEET
 
14.2.8.2
Virtual PHY Basic Status Register (VPHY_BASIC_STATUS)
This register is used to monitor the status of the Virtual PHY.
Offset:
Index (decimal):
1C4h
1
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:16
RESERVED
(See 
)
RO
-
15
100BASE-T4
This bit displays the status of 100BASE-T4 compatibility.
0: PHY not 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.
0: PHY not 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.
0: PHY not 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.
0: PHY not 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.
0: PHY not 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.
0: PHY not 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.
0: PHY not able to perform 100BASE-T2 half duplex
1: PHY able to perform 100BASE-T2 half duplex
RO
0b
8
Extended Status
This bit displays whether extended status information is in register 15 (per 
IEEE 802.3 clause 22.2.4).
0: No extended status information in Register 15
1: Extended status information in Register 15
RO
0b
7
RESERVED
RO
-