8051, 22khz ,pwm:0%,10%,20%,30%,40%,50%,75%,80%,100% org 0000h mov p1,#0ffh mov p2,#0ffh pwm00:clr p1.0 mov a,p2 ;1vs anl a,#07h ;1vs cjne a,#00,pwm20 ;2vs jmp pwm00 pwm20:clr p1.0 ;1vs mov a,p2 ;1vs anl a,#07h ;1vs cjne a,#01,pwm30 ;2vs nop nop
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