本次任务学习单片机的一个重要的功能——中断控制。
中断系统在计算机中起着十分重要的作用,是现代计算机系统中广泛采用的一种实时控制技术,能对突发事件进行及时处理,从而大大提高系统的实时性能。
This task aims to learn an important function of microcontrollers - interrupt control.
Interruption system plays a very important role in computers and is a widely used real-time control technology in modern computer systems. It can handle emergencies in a timely manner, greatly improving the real-time performance of the system.
一、什么是中断呢?/What is interruption?

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二、中断处理过程 /Interrupt handling process


三、51单片机的中断源
Interrupt source of 51 microcontroller
把能够向CPU发出中断请求的来源成为中断源。它是引起CPU中断的原因。
Make the source that can issue interrupt requests to the CPU an interrupt source. It is the cause of CPU interruption.

