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细嗦MCU与电脑的通讯方式-串口
以字符‘D‘的波形为例: 波特率是UART协议,或者说所有异步串行协议,非常重要的一个概念,即单位时间内(1秒)可表示的bit位个数,或者也可以表述为bit位宽的倒数。例如一个波特率为115200的UART波形表示1秒可容纳115200个bit位,也就是说每一位bit数据占大约8 ...
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