Appendix B: Nct6126D Watchdog Programming Guide - Nexcom NDiS B561S User Manual

Appendix B: WatchDog Programming Guide
a B: nCt6126d W
PPendIx
NDiS B561S 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.
#define SUPERIO_PORT 0x2E
#define WDT_SET 0xF0
#define WDT_VALUE 0xF1
void main(void)
{
#Enter SuperIO Configuration
outportb(SUPERIO_PORT, 0x87);
outportb(SUPERIO_PORT, 0x87);
# Set LDN
outportb(SUPERIO_PORT, 0x07);
outportb(SUPERIO_PORT+1 ,0x08);
# Set WDT setting
outportb(SUPERIO_PORT, WDT_SET);
outportb(SUPERIO_PORT+1, 0x00); # Use the second
# Use the minute, change value to 0x08
# Set WDT sec/min
outportb(SUPERIO_PORT, WDT_VALUE);
outportb(SUPERIO_PORT+1, 0x05); #Set 5 seconds
}
Copyright © 2023 NEXCOM International Co., Ltd. All Rights Reserved.
d P
atCh oG roGrammInG
76 76
G
uIde
NDiS B561S User Manual