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  • What conditions should the CPU respond to interrupts?

    * Question

    What conditions should the CPU respond to interrupts?


    *
    Answer

    (1) An interrupt source issues an interrupt request;

    (2) The interrupt enable bit EA=1, that is, the CPU open interrupt;

    (3) The interrupt enable bit of the interrupt source requesting the interrupt is 1, that is, it is not masked.


    COMMENTS

    WORDPRESS: 0
    DISQUS: 0