(Proteus模拟)基于51单片机的断电保护实验

上传者: wanderkk | 上传时间: 2021-09-25 22:53:38 | 文件大小: 207KB | 文件类型: RAR
在这个实验中,数码管的读数是经过IIC总线,从型号为24C02C的EPROM中读取出来的,该数字每累加一次,也会把累加后的数值保存到24C02C中,当单片机复位或断电时,该数值就不会丢失,当复位后或再上电时,数码管就能显示刚才的读数并在此基础上继续累加下去。 为了证明单片机的复位电路正常,该实验中还设置了流水灯,这是一个8位LED灯轮流点亮的装置,当复位按键被按下后,流水灯就被复位,它会从第一盏灯亮起,但数码管的读数不受影响。

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评论信息

  • nihongsheng :
    我还以为用813做的断电保护。象你这样的做法芯片很快会写坏的。最后是检测到电压低于某值时才到几个毫秒内写入芯片。而不是不断的写
    2013-06-02
  • ab543647707 :
    很好的资源 谢谢楼主了 但是电路接的有点复杂
    2012-10-24

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