Advantech TPC-32 Series Uživatelský manuál stáhnout pdf (Strana 61)

51 Chapter B

B.3 Example Programs

1. Enable watchdog timer and set 10 sec. as timeout interval

;-----------------------------------------------------------

Mov dx,2eh ; Unlock W83627HF

Mov al,87h

Out dx,al

;-----------------------------------------------------------

Mov al,07h ; Select registers of watchdog timer

Out dx,al

Inc dx

Mov al,08h

Out dx,al

;-----------------------------------------------------------

Dec dx ; Enable the function of watchdog timer

Mov al,30h

Out dx,al

Inc dx

Mov al,01h

Out dx,al

;-----------------------------------------------------------

Dec dx ; Set second as counting unit

Mov al,0f5h

Out dx,al

Inc dx

In al,dx

And al,not 08h

Out dx,al

;-----------------------------------------------------------

Dec dx ; Set timeout interval as 10 seconds and start counting

Mov al,0f6h

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 105 106

Žádné komentáře

Advantech TPC-32 Series Uživatelský manuál Strana 61