GOT317-502-FR
User’s Manual
34
Watchdog Timer
WDT Sample Program
Setting Watch dog steps as below:
1. Select to Logical Device to 0x7
2. Register 0x72 defination
- Bit 7 : WDT time out value select 1
1 : Second
0 : Minute
- Bit 6 : WDT Output through KRST Enable
1: Enable
0: Disable
- Bit 5 : WDT Time out Extra Select
1: 64ms x WDT Timer out value (default = 3.5s)
0 : Determined by WDT time out value select 1 (bit 7)
- Bit 4 : WDT Output through PWRGD Enable
1 : Enable
0 : Disable
- Bit 3:0 Interrupt Level Select for WDT
3. Register 0x73 : WDT Time-out Value 7-0
4. Register 0x74 : WDT Time out Value 15-8
e.g If you want to set 6 second timer
1. Enable ITE87xx decode
2. Select Logical device to 0x7
3. Set 0x72 = D0h to enable timer
4. Set 0x73 = 06h
