Commell FS-975M, User Manual

Page: 19 / 43

FS-975M User’s Manual Hardware Setup
Watchdog Timer Setting
19
2.6 < Watchdog Timer Setting >
The watchdog timer makes the systems auto-reset while it stops to work for a period.
The onboard watchdog timer can be setup as system reset or active NMI mode by jumper
JWDT.
Jumper:
JWDT
Type: onboard 3-pin header
JWDT Watchdog Timer
1-2 Active NMI
2-3 Reset
Default setting
Program Sample
Watchdog timer setup as system reset with 5 second of timeout
2E, 87
2E, 87
2E, 07
2F, 08 Logical Device 8
2E, 30 Activate
2F, 01
2E, F5 Set as Second*
2F, 00
2E, F6 Set as 5
2F, 05
* Minute: bit 3 = 0; Second: bit 3 = 1
3
1
JWDT