A: w, Ppendix, Atchdog – NEXCOM NEX 608 User Manual

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NEX 608 User Manual

Appendix A: Watchdog Timer

ppendix

A: W

Atchdog

imer

Start

See “SetupWDT” procedure
#Setup Watchdog Timer Environment

Step 1

Step 2

See “TimeBaseWDT” procedure
#Initial Watchdog Timer
Users can select second or minute

Step 3

See “TimeCountWDT” procedure
#Set Watchdog Timer Time-out Value
Users can set time-out value

Step 4

See ExitSetup procedure
#Exit Setup Environment

End

WDT Programming Guide

NEX 608 Watchdog Function Configuration Sequence Description:

W83627 Watchdog Programming Guide

#define SUPERIO_PORT 0x2E
#define WDT_SET 0xF5
#define WDT_VALUE 0xF6

void main(void)
{
#Enter SuperIO Configuration

outportb(SUPERIO_PORT, 0x87);

# Set LDN

outportb(SUPERIO_PORT,0x07);

outportb(SUPERIO_PORT+1 ,0x08);

# Set WDT setting

outportb(WDT_SET,0x04); # Use the second to come down

# If choose the Minute, change value to

0x0C

# Set WDT sec/min

outportb(WDT_VALUE,0x05);

#Set 5 seconds

}