LM3S8G62 Datasheet, PDF (860/1096 Pages) Texas Instruments – Stellaris® LM3S8G62 Microcontroller

Ethernet Controller
OBSOLETE: TI has discontinued production of this device.
Register 26: Ethernet PHY Management Register 27 – Special Control/Status
(MR27), address 0x1B
This register shows the status of the 10BASE-T polarity.
Ethernet PHY Management Register 27 – Special Control/Status (MR27)
Base 0x4004.8000
Address 0x1B
Type RO, reset -
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
XPOL
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
15:5
4
Name
reserved
XPOL
Type
RO
RO
Reset
0x000
0
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Polarity State of 10 BASE-T
Value Description
1 The 10BASE-T is reversed polarity.
0 The 10BASE-T is normal polarity.
3:0
reserved
RO
0x0
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
860
July 24, 2012
Texas Instruments-Production Data