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基于CD4060及RC微分电路的硬件看门狗电路

更新时间:2020-10-25 23:44:26 大小:2M 上传用户:gsy幸运查看TA发布的资源 标签:cd4060微分电路 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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本文介绍了基于计数器芯片CD4060及电压检测芯片SP708原理,结合RC微分电路,设计的一款带手动复位功能的硬件看门狗电路;该看门狗电路不仅具备电压监控功能,还拥有喂狗间隔时间长,狗叫动作时间种类多等优点,特别是融合了RC微分电路的喂狗电路以及狗叫电路能够兼容处理嵌入式系统的各类异常情况,非常适合在对电源电压敏感以及需要较长喂狗间隔时间的电路系统中使用。

This paper introduces a hardware watchdog circuit with manual reset function based on the principle of counter chip CD4060 and voltage detection chip SP708, which combines RC differential circuit. The watchdog circuit not only has the function of voltage monitoring, but also has the advantages of long feeding interval and many kinds of barking action time, especially the feeding dog circuit which combines RC differential circuit and the other advantages. Dog barking circuit can deal with all kinds of abnormal situations in embedded system, and it is very suitable for the circuit system which is sensitive to power supply voltage and needs a long interval between feeding dogs.

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基于CD4060及RC微分电路的硬件看门狗电路.pdf 2M

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