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AM335x如何清除UART的中断标志位



各位大侠,请教个问题,小弟最近在调试BeagleBone的UART0,我同时使能了RHRIT和THRIT两个中断,发现一旦接收到数据或者发送完数据之后,MCU便一直在跑在中断服务程序里面了,但是我却找不到在哪个寄存器里面可以清除这两个中断源。望高手不吝赐教,谢谢!