2812的SCI通过FIFO接收串口助手发送的16字节数据,中断深度16,当我一次发送17个字节时,第一个接收的字节被丢掉,那么FIFO的数据应该是2-17,读完2-17这16个字节后如果我再读FIFO读到的数都是17,如果此时我复位然后使能FIFO再读FIFO读到的数据居然是16。。。Why?FIFO复位后不应该指向0吗
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