This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
之前自发自收都正常，今天突然收不到数，rxer和rxdv都是高，请问这是怎么回事呢
RXDV 为高说明收发器已经正确解码出了有效的数据，但是如果伴随着RXER为高，说明存在信号丢失情况。
