I n d u s t r i a l M o t h e r b o a r d
I M B A - 8 8 0
Appendix A Programming the Watchdog Timer
A-6
A.2 W83627EHG Watchdog Timer Initial Program
Example: Setting 10 sec. as Watchdog timeout interval
;///////////////////////////////////////////////////////////////////////////////////////////////
Mov dx,2eh
;Enter W83627EHG config mode
Mov al,87h
(out 87h to 2eh twice)
Out dx,al
Out dx,al
;///////////////////////////////////////////////////////////////////////////////////////////////
Mov al,07h
Out dx,al
Inc dx
Mov al,08h
;Select Logical Device 8 (GPIO Port
2)
Out dx,al
;///////////////////////////////////////////////////////////////////////////////////////////////
Dec dx
Mov al,30h
;CR30 (GP20~GP27)
Out dx,al
Inc dx
Mov al,01h
;Activate GPIO2
Out dx,al
Содержание IMBA-880
Страница 7: ...Industrial Motherboard I M B A 8 8 0 Chapter 1 General Information 1 1 General Chapter 1 Information...
Страница 31: ...Industrial Motherboard I M B A 8 8 0 Chapter 4 Award BIOS Setup 4 1 Chapter Award BIOS Setup 4...
Страница 36: ...Industrial Motherboard I M B A 8 8 0 Chapter 5 Driver Installation 5 1 Chapter Driver 5 Installation...