LM3S6610_16 Datasheet, PDF (555/713 Pages) Texas Instruments – Stellaris LM3S6610 Microcontroller

Stellaris^® LM3S6610 Microcontroller
Register 26: Ethernet PHY Management Register 23 – LED Configuration
(MR23), address 0x17
This register enables software to select the source that causes the LED1 and LED0 signals to toggle.
Ethernet PHY Management Register 23 – LED Configuration (MR23)
Base 0x4004.8000
Address 0x17
Type R/W, reset 0x0010
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
LED1[3:0]
LED0[3:0]
Type RO
RO
RO
RO
RO
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Bit/Field
15:8
7:4
Name
reserved
LED1[3:0]
Type
RO
R/W
Reset
0x00
0x1
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.
LED1 Source
The LED1 field selects the source that toggles the LED1 signal.
Value Description
0x0 Link OK
0x1 RX or TX Activity (Default LED1)
0x2 Reserved
0x3 Reserved
0x4 Reserved
0x5 100BASE-TX mode
0x6 10BASE-T mode
0x7 Full-Duplex
0x8 Link OK & Blink=RX or TX Activity
3:0
LED0[3:0]
R/W
0x0
LED0 Source
The LED0 field selects the source that toggles the LED0 signal.
Value Description
0x0 Link OK (Default LED0)
0x1 RX or TX Activity
0x2 Reserved
0x3 Reserved
0x4 Reserved
0x5 100BASE-TX mode
0x6 10BASE-T mode
0x7 Full-Duplex
0x8 Link OK & Blink=RX or TX Activity
July 15, 2014
555
Texas Instruments-Production Data