Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Datenbogen

This register configures the LEDs provided in the PHY.

Ethernet PHY LED Configuration - MR37 (EPHYLEDCFG)

Base n/a
Address 0x025
Type RW, reset 0x0000.0510

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

LED0

LED1

LED2

reserved

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RO

RO

RO

RO

Type

0

0

0

0

1

0

0

0

1

0

1

0

0

0

0

0

Reset

Description

Reset

Type

Name

Bit/Field

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.

0

RO

reserved

15:12

LED2 Configuration

The following encodings are used to program the specific function
desired for the LED.

Description

Value

Link OK

0x0

RX/TX Activity

0x1

TX Activity

0x2

RX Activity

0x3

Collision

0x4

100-Base TX

0x5

10-Base TX

0x6

Full Duplex

0x7

Link OK/Blink on TX/RX Activity

0x8

Reserved

0x9-0xF

0x5

RW

LED2

11:8

LED1 Configuration

The following encodings are used to program the specific function
desired for the LED.

Description

Value

Link OK

0x0

RX/TX Activity

0x1

TX Activity

0x2

RX Activity

0x3

Collision

0x4

100-Base TX

0x5

10-Base TX

0x6

Full Duplex

0x7

Link OK/Blink on TX/RX Activity

0x8

Reserved

0x9-0xF

0x1

RW

LED1

7:4