

如上图所示,使用逻辑分析仪观察芯片的D和R两个引脚,白色为发送,黄色为接收,可以看到操作发送的时候,接收引脚也会被异常拉低。
拉低的时间与操作RE\DE的时刻是相同的。
暂时没有总结出复现规律。
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