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将一个zigbee做为Router，将它的RXD和TXD与51单片机的TXD和RXD用杜邦线接在一起，进行数据的传输。CoordinatorEB与电脑连在一起，向RouterEB发送数据，单片机可以接收到数据，但是单片机回传的数据接收不到。求解答。谢谢了
是否共地？
