单片机可调时钟

正文摘要:

#include"reg52.h" #include"intrins.h" sbit add=P1^0; sbit dec=P1^1; sbit key=P3^2; #define uchar unsigned char #define uint unsigned int int tab[6],x,y,z,n,a,b,c,o; void delay20ms(void) ...