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SWD下载器通信协议底层原理
基于Cortex-M内核的单片机,目前主流的下载接口就是JTAG和SWD。 其中SWD只需要两根线(SWCLK和 SWDIO),在PCB布局有限、引脚资源紧张的情况下,SWD算是一种不错的选择。 SWD简介 SWD:Serial Wire Debug,代表串行线调试,是ARM设计的协议,用于对其微控制器进行编程和调试 ...
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