它的功能是当感应到输入电压界限时提供一个锁存开关，通过外部时钟信号完成复位。
Its function is to provide a latching switch action upon sensing an input threshold voltage, with reset accomplished by an external clock signal.
为管理芯片产生复位输入，其输入必须接收低有效的地信号，需要晶体管q 1导通。
To create an reset input to the supervisory chip, its input must receive an active-low ground signal, requiring transistor Q1 to turn on.
硬件上详细给出了系统主要功能模块的工作原理和设计内容，包括模拟信号输入电路、数字信号输入输出电路、看门狗及系统复位电路等。
On the hardware design we provide the operation principle of the main function module and design content in detail, including Analog Inputting, Digital Inputting and Outputting, Watchdog, etc.
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