Advantech UTC-515 User Manual

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Advantech UTC-515 User Manual Manual pdf 58 page image

UTC-515 User Manual 50C.1 Watchdog Timer Sample CodeWatchdog function:;The SCH3114 Runtime base I/O address is A00h;Setting WatchDog time value location at offset 66h;If set value "0", it is mean disable WatchDog function.Superio_GPIO_Port = A00hmov dx,Superio_GPIO_Port + 66hmov al,00hout dx,al.model small.486p.stack 256.dataSCH3114_IO EQU A00h.codeorg 100h.STARTup;====================================================;47H;enable WDT function bit [0]=0Ch;====================================================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

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