Advantech PCM-9342 User Manual

Also see for PCM-9342: Startup manual

Contents

PCM-9342 User Manual 58B.1 Watchdog Timer Sample Code;The SCH3114 Runtime base I/O address is 800h;Setting WatchDog time value location at offset 66h;If set value "0", it is mean disable WatchDog function.Superio_GPIO_Port = 800hmov dx,Superio_GPIO_Port + 66hmov al,00hout dx,al.model small.486p.stack 256.dataSCH3114_IO EQU 800h.codeorg 100h.STARTup;====================================================;47H;enable WDT function bit [3:2]=11;====================================================mov dx,SCH3114_IO + 47hmov al,0chout dx,al;====================================================;65H;bit [1:0]=Reserved;bit [6:2]Reserve=00000;bit [7] WDT time-out Value Units Select;Minutes=0 (default) Seconds=1;====================================================mov dx,SCH3114_IO + 65h ;mov al,080hout dx,al;====================================================;66H;WDT timer time-out value;bit[7:0]=0~255;====================================================mov dx,SCH3114_IO + 66hmov al,01hout dx,al;====================================================;bit[0] status bit R/W;WD timeout occurred =1;WD timer counting = 0

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