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B 回复于
把调试串口的时钟频率和uart串口波特率改成一样的，应该就行了
J 回复于
@jingyan 有测过两块T507互发互收，都是用2M波特率，这样测试又是没有乱码。所以感觉理论上回环也是没有乱码的，跟PC端传输才有乱码。有空我再测一下回环。
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回复于
@jeper 参考这个试试 236649ba-9e6c-4227-97f6-dda74d433956-image.png 7f99d9cc-646e-4cb8-9806-a02bfd40bb33-image.png
