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TXS0102DQMR无法通讯

Other Parts Discussed in Thread: TXS0102

使用TXS0102DQMR进行1.8V与5.0V的串口通讯测试中失效。

单片机TX端发送数据到电脑显示没有问题,使用上位机发送数据给芯片无反应。

电路焊接问题已排除。

以下是原理图: