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我通过优先级设置ADC(INT1.1)为最高优先级，XINT1（INT1.4）为第二优先级。结果在Debug时发现ADC中断还是可以被XINT嵌套，而如果不设置优先级的话，ADC连嵌套都不能，完全没机会进去。请问这是怎么回事？谢谢~
C2000的中断本身不存在中断的优先级别，中断嵌套是通过软件实现的，你可以参考28027的例程sw_prioritized_interrupts。
另外，中断除了不可屏蔽中断NMI，其他外设中断是可以屏蔽的。
Hi,Joey:
thanks for your replay。By the way, way always you? tks!
