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AM1808的串口中断问题

Other Parts Discussed in Thread: AM1808

AM1808的串口中断中:发送中断能否和其他中断(接收就绪中断、接收超时中断、线路状态错误中断)进行排队?我看芯片手册中提到当读取中断标识寄存器(IIR)时,发送中断的挂起标识就会被清掉。如果真是这样,当发送中断和其他中断同时产生时,发送中断怎么处理?

谢谢。