mov a,@0b00001000 ;P6,3通过按键开关电源。平时100K电阻接地，按下
iow p6 开关P63变高电平
start:
wdtc ;disable wdtc
mov a,@0B00000101 ;prescaler assign tcc 6 bit disi or eni
contw
clr tcc
;........
mov a,@0B00001101 ;prescaler assign wdt
contw
wdtc
;........
mov a,@0 ; 7 bit WDT control, 6 int/io choose bit.
iow Re ; ; disable wdt
;.........
mov p6,p6 ;read i/o
;........
disi ;
;.....
slep
;唤醒之后
disi
mov a,@0 ;7 bit WDT control, 6 int/io choose bit.
iow Re ;disable wdt
nop ;if eni ---interrupt vector
nop ;if disi---next instruction
bs p6,2
call delay1S
bc p6,2
jmp start ；返回 |
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