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关于SCIFFTX寄存器的SCIRST位的理解问题



SCIRST这一位书上是这么写的:写0,复位SCI发送和接收通道,SCI FIFO寄存器配置位将保留;写1,SCI FIFO重新开始发送和接收。我的问题是,写0只是复位了SCIRXBUF、SCITXBUF和16级的FIFO队列里的内容,是吗?FIFO的发送接收指针还有状态位都复位了吗?写1后,重新开始的位置是哪里?是复位开始吗?还是什么?