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基础型实验、设计型实验和研究型实验构成了“微型计算机原理与接口技术”课程的实验教学体系,其中设计型实验发挥着承上启下的重要作用。为了满足设计型实验教学的需要,设计了微机接口实验板。本文详细论述了该实验板的硬件设计方案和驱动函数的建立方法,并列举出该实验板在设计型实验教学中的应用实例。该实验板具有成本低,接口开放及易于学习使用等特点。一年的教学实践表明,学生利用该实验板可以拓展知识面,增加工程实践经验,提高动手能力和分析能力。
The basic experiment, design experiment and research experiment constitute the experimental teaching system of “Microcomputer Principle and Interface Technology” course, in which the design experiment plays an important role. In order to meet the needs of the design of experimental teaching, the design of a computer interface experimental board. This paper discusses in detail the hardware design of the experimental plate and the establishment of the drive function, and lists the application of the experimental plate in the design of experimental teaching. The experimental board has the advantages of low cost, open interfaces and easy to learn to use. One year of teaching practice shows that students can use this board to expand their knowledge, increase engineering practice experience and improve hands-on ability and analytical skills.