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叮~工程师的调查问卷由你来填!
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对看门狗的略解,文末的例子应该好理解些。
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32位单片机什么一个byte变量是不是也是占用4个字节空间?
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stop模式下,串口的RX引脚配置为外部中断模式,为什么会马上引起中断
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