从软件与硬件两个方面介绍了如何在MCS-51单片机控制系统中使用看门狗技术，对看门狗监控复位后的故障处理方式提出了一些解决方案。
This paper introduces how to use watchdog technology in MCS-51 single-chip computer control system from hardware and software two sides.
复位芯片与控制芯片连接，为控制芯片提供看门狗功能。
The recovery chip is connected with the control chip for providing the function of watchdog for the control chip.
即使看门狗复位处理器，噪声可以与看门狗级的处理器的初始化干扰。
Even if a watchdog resets the processor, the noise can interfere with the processor's initialization of the watchdog stage.
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