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针对MCS-48系列单片微机仅具有单级中断结构的特点,本文提出一种用软件处理的方法,使单片机形成能实现多重中断嵌套的新的中断结构。从而扩展了单片机实时中断处理的功能。
In view of the MCS-48 series single-chip microcomputer with only single-stage interrupt structure, this paper presents a software-processed method to make the microcontroller form a new interrupt structure that enables multiple interrupt nesting. Thus expanding the microcontroller interrupt processing functions in real time.