955.asm

来自「单片机开发资料光盘-双龙-686M.zip」· 汇编 代码 · 共 12 行

.include "8535def.inc"       
       ldi r16,$01      ;T1不分频
       out TCCR1B,r16
       ldi r16,$23      ;OC1B口10位正向PWM输出    
       out TCCR1A,r16
       sbi DDRD,4       ;PD4(OC1B)引脚定义为输出
       ldi r18,0        ;设占空比为$200/$3ff
       ldi r19,2
       out OCR1BH,r19
       out OCR1BL,r18	      
here:  rjmp here