内容简介:51汇编程序如下:KEY EQU P3.2 LED EQU P1 ORG 0000H LJMP MAIN ORG 0030H MAIN:CLR 00H MOV A,#0FEH LOOP:JB P3.2,LOOP1 JNB P3.2,CPL 00H LOOP1:JB 00H,LOOP2 MOV LED,#0FFH SJMP LOOP LOOP2: ;假设晶振12MHZ,P1控制8个LED低电平亮 ...
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