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TMS320F280049C: TMS320F280049C的SCI_B的数据发送问题,仿真中ScibRegs的SCITXBUF正常缓存需要发送的数据

Part Number: TMS320F280049C
Other Parts Discussed in Thread: C2000WARE

 大佬们,问一下。我的SCI_B这样配置,但是串口调试助手接收不到发送的数据,但是CCS的DUBUG仿真中可以看到ScibRegs的SCITXBUF可以看到有数据的赋值变化。我的SCIA也是这样配置,GPIO16和GPIO17,串口调试助手正常接收到发送的数据。SCIB的GPIO为12和GPIO13。两个的GPIO复用都是第六个。好奇怪,询问各位