PC能通过串口助手收发串口数据,该串口也是bq芯片与MCU连接的串口。但通过PC发送命令时,bq芯片无反应,发送带响应的命令也没有反应。请问是哪里出了问题
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PC能通过串口助手收发串口数据,该串口也是bq芯片与MCU连接的串口。但通过PC发送命令时,bq芯片无反应,发送带响应的命令也没有反应。请问是哪里出了问题