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从实际监控项目出发,阐述基于PIC18F452单片机的监控终端系统组成、设计方法及步骤,重点分析和讨论中断程序设计中如何利用定时器中断实现PWM控制;如何利用外触发中断实现电机转速的采集。
Starting from the actual monitoring project, the system components, design methods and steps of monitoring terminal based on PIC18F452 are described. The key points are how to use the timer interrupt to realize PWM control in the interrupt program design and how to use the external trigger interrupt to achieve the motor speed acquisition.