一种采用FPGA实现的通用看门狗电路

A general watchdog circuit implemented by FPGA

为了保障嵌入式系统的实时性,提高系统的可靠性,通常采用看门狗电路对系统运行情况进行监控并在必要时对系统进行复位。文章介绍了一种用FPGA实现的看门狗电路,其配置灵活、使用简便,可以满足多种系统要求。

Generally, watchdog is used to monitor operating status of an embedded system and reset it if necessary, for ensuring real-time and improving reliability. This paper introduces a watchdog implemented in FPGA, which can be configured flexibly and is easy to use, to meet the requirement of various systems.