[Abstract]since the advent of the MCU,with its extremely high performance price ratio,and strong anti-interference ability,control function is a significant characteristic.It is widely used in industrial real-time control,mechanical and electrical integration products, intelligent instrumentation, communication products,household appliances and military equipment,etc.field. 聽 With the single chip microcomputer in production,life,national defense and other fields has been widely used.In the employment market,the microcontroller application system design,the debugging and the maintenance of post need a lot of talent,so MCU Course became a major course of automation,electronics,computer,electrical and mechanical and other professional.