stm32的usb通信接线

STM32的USB通信接线可以通过USB转TTL串口模块来实现。其中，CH340芯片模块是一种常见的USB转串口模块。在接线时，需要将USB转TTL模块的RXD引脚连接到STM32的TX引脚，将USB转TTL模块的TXD引脚连接到STM32的RX引脚，同时将它们的地线连接在一起。这样就可以通过USB转TTL串口模块实现STM32与电脑之间的USB通信了。\[1\]\[2\]\[3\]
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