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eeworld.com.cn
12 天
STM32 BOR/POR/PDR介绍
3)可以看到POR比PDR大了0.04V,这就是表中倒数第2行,VPDRhyst(PDR迟滞)=40mV。 4)当VDD上升越过POR阀值时,内部并不马上结束复位,而是等待一小段时间(Reset temporization),这就是表中的最后一行TRSTTEMPO,它的典型数值是2.5ms。 这个滞后时间是为了等待供电电压能够 ...
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