LAN9311 Datasheet, PDF (249/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

14.2.8.2
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Virtual PHY Basic Status Register (VPHY_BASIC_STATUS)
Offset:
1C4h
Index (decimal): 1
Size:
32 bits
This register is used to monitor the status of the Virtual PHY.
BITS
DESCRIPTION
31:16 RESERVED
(See Note 14.17)
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
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
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
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
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
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
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
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
7
RESERVED
TYPE
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
DEFAULT
-
0b
Note 14.18
1b
1b
1b
1b
0b
Note 14.18
0b
Note 14.18
0b
Note 14.19
-
SMSC LAN9311/LAN9311i
249
DATASHEET
Revision 2.0 (02-14-13)