Out dx,al Inc dx Mov al,10 Out dx,al

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

Dec dx ; lock W83627HF Mov al,0aah

Out dx,al

2.Enable watchdog timer and set 5 minutes as timeout interval ;-----------------------------------------------------------

Mov dx,2eh ; unlock W83627H Mov al,87h

Out dx,al 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 minute as counting unit Mov al,0f5h

TPC-1070 User Manual

56

Page 68
Image 68
Intel TPC-1070 user manual Enable watchdog timer and set 5 minutes as timeout interval