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提高系统可靠性的看门狗 — — 如何选择正确的一部分
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时间:2020-03-06
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摘要: 看门狗定时器用于监视和尽量减少代码执行错误。内部看门狗定时器会遵守执行问题的代码,使外部看门狗电路宝贵在防止系统锁定。Maxim > App Notes > AUTOMOTIVE MICROPROCESSOR SUPERVISOR CIRCUITS Keywords: watchdog timer, watchdog circuit, windowed, reset, adjustable watchdog, capacitor adjustable Mar 13, 2003 watchdog APPLICATION NOTE 1926 Watchdogs Improve System Reliability―How to Choose the Right Part Abstract: Watchdog timers are used to monitor and minimize code execution errors. Internal watchdog timers are subject to code execution problems, making external watchdog circuits invaluable in preventing system lockup. This document provides assistance in selecting the right time of watchdog/supervisory product for different type of applications and how to apply the circuit without the software code. Many circuit functions previously realized with dedicated hardware are now implemented in software, du……
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