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LAUNCHXL-CC1310的RXD引脚问题

xin wang22
Expert 1166 points

Other Parts Discussed in Thread: CC1310, LAUNCHXL-CC1310

我现在使用LAUNCHXL-CC1310调试TI-RTOS的UART例程，根据原理图，CC1310的RXD应该和DIO2相连，TXD和DIO3相连，但我发现若是把RXD的跳线帽摘掉则DIO2可以正常工作，若是连上跳线帽则DIO2无法正常接收数据，这个跳线帽的作用是什么？