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

This register provides the ability to control the blink rate on the LED outputs.

Ethernet PHY LED Control - MR24 (EPHYLEDCR)

Base n/a
Address 0x018
Type RW, reset 0x0400

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

reserved

BLINKRATE

reserved

RO

RO

RO

RO

RO

RO

RO

RO

RO

RW

RW

RO

RO

RO

RO

RO

Type

0

0

0

0

0

0

0

0

0

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

15:11

LED Blinking Rate (ON/OFF duration):

Description

Value

20 Hz (50 ms)

0x0

10 Hz (100 ms)

0x1

5 Hz (200 ms)

0x2

2 Hz (500 ms)

0x3

0x2

RW

BLINKRATE

10:9

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

8:0