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28335 spi在发送数据后会自动进入接收中断



启用了FIFO,我看了datasheet里,TXBUF和RXBUF都与SPIDAT连在一起,而且我在调试的过程中也确实会这样,每次我发数据,RXBUF都会收到,然后到了设置的数目就进入接收中断?SPI已经关闭了回读模式