Axiomtek FDK172-834 - Manual (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.