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TIDM-02002: ISR中断函数里面使用EINT;DINT;的问题

Part Number: TIDM-02002


第一个问题:为什么ISR1不需要用EINT;DINT;,是什么情况下才需要用该语句呢?

第二个问题:为什么进入中断是EINT;,退出中断是DINT;不应该是进入中断用DINT;,退出中断使用EINT;吗