新手求帮助!!!!!!!在dsp28069 进行串口通讯时,上位机每隔50ms以上发送一串标准的485格式数据时 sci接收数据正常,但隔20ms发生一串数据 就会 发生FE错误标志致1,就进不去发送中断了,这可能是由什么原因引起的???求哪位高手指导指导。
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