基于单片机10Hz-50MHz频率计系统设计
百度网盘下载地址(960):点击下载//10HZ-50MHZ#include <reg52.h>unsigned long int fre; unsigned char time;unsigned int count;unsigned int count1;sbit LCD_RS=P1^0; //片选信号 sbit LCD_RW=P1^1; //读写信号 sbit LCD_E=P1^2; //使能信号 #define LCD_DB P0