说明：  分析研究了单片机应用系统中软件看门狗、单ö 双时限和强制复位看门狗等几种常见的看门狗技术及 具体的实现方法, 从提高看门狗工作可靠性的角度, 分析了各种看门狗方案的优缺点, 给出了基本的硬件电 路和软件控制策略, 指出了在设计和应用过程中需注意的一些问题
(Analysis of a single-chip microcomputer application system software watchdog, single ? dual watchdog reset the time limits and enforcement, such as the watchdog of several common techniques and methods to achieve specific, from the watchdog work to improve the reliability point of view analyzed the advantages and disadvantages of the various watchdog program, given the basic hardware and software control strategy, pointing out that in the design and application of the process should pay attention to some of the problems)