Axiomtek FDK172-834 User Manual download pdf (Page 66)

FDK172-834 User’s Manual

60 Watchdog Timer

WDT Sample Program

Enable WDT

1.Enable configuration

-O 2E 87

-O 2E 87

2. Select Logic device:

-O 2E 07

-O 2F 08

3. WDT Device Enable

-O 2E 30

-O 2F 01

4. Set timer unit

-O 2E F0

-O 2F 00  (00: Sec; 08: Minute)

5. Set base timer:

-O 2E F1

-O 2F 0A Set Reset Time (Ex.0A:10 Sec)

Disable WDT

1.Enable configuration

-O 2E 87

-O 2E 87

2. Select Logic device:

-O 2E 07

-O 2F 08

3. WDT Device Disable

-O 2E 30

-O 2F 00

Digital I/O Software Programming

 I2C to GPIO PCA9535PW GPIO

 I2C address: 0b01000000.

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