嵌入式实验 学号尾号23
C51单片机方波频率计,测量范围1hz-晶振允许的范围(24分之晶振周期)
- 三个档位:
- 中频和高频档位测量原理相同,门限时间内计算下降沿个数
- 低频原理,门限下降沿个数内计算时间
- 门限:1、2、5、10
- 串口输出频率
- lcd1602屏幕输出频率、模式、门限
- k1、k2按键手动切换模式、门限
- 自动量程模式,k3按键切换是否打开(上电默认关闭)
- k4按键强制刷新lcd屏幕显示
License: MIT License
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