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MAX6369–MAX6374 datasheet pdf

消耗积分:5 | 格式:rar | 大小:126 | 2010-02-23

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MAX6369–MAX6374 datasheet pdf

Pin-Selectable Watchdog Timers

The MAX6369–MAX6374 are pin-selectable watchdog
timers that supervise microprocessor (μP) activity and
signal when a system is operating improperly. During
normal operation, the microprocessor should repeatedly
toggle the watchdog input (WDI) before the selected
watchdog timeout period elapses to demonstrate that
the system is processing code properly. If the μP does
not provide a valid watchdog input transition before the
timeout period expires, the supervisor asserts a watchdog
(WDO) output to signal that the system is not executing
the desired instructions within the expected time
frame. The watchdog output pulse can be used to reset
the μP or interrupt the system to warn of processing
errors.

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