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NDiS M324 User Manual
Appendix A: Watchdog Timer
Appendix A: Watchdog Timer
NDiS M324 features a watchdog timer that resets the CPU or generates an interrupt if
the processor stops operating for any reason. This feature ensures system reliability in
industrial standalone or unmanned environments.
Watchdog Timer Control Register
WDT_CONTROL BYTE
0x68
// 0x68
Bit 7: WDT enable
0: Disable WDT, 1: Enable WDT
Bit 1: WDT output
0: WDT via EC reset, 1: WDT via KBRST
Bit 0: WDT timeout value unit
0: Second, 1: Minute
Default: 0x00
WDT_TIMEOUT BYTE
0x69
// 0x69
Second: 3~255 sec
Minute: 1~255 min
Default: 3