为满足实验实践教学和应用开发的需要,设计了一种采用多控制器结构的单片机实验系统。该系统由4个单片机实验分区以及公用串行外设区、外部通信接口区、串行总线、电源电路组成,可通过串行总线实现多个单片机之间的相互通信和设备共享。实践证明,该实验系统能支持多个单片机同时工作,外设种类丰富,人机交互性好,通信能力强,能够更好地调动学生的学习兴趣,提高学习效率,改善学习效果。
An MCU experimental system employing multiple microcontrollers is designed to meet the needs of practical teaching and application development.The system consists of four MCU experimental regions,the common serial peripheral region,the external communication interface region,the serial bus and the power supply circuit.Communication and peripheral sharing between multiple MCUs are realized through the serial bus.Practice shows that the experimental system can support the multiple on-line MCUs,working at same time,and has several features, such as abundant types of peripherals, the friendlier human-machine interaction,and diversified communication means,which could significantly stimulate students’interest in learning MCU,raise learning efficiency and improve learning effect.