【摘要】 该文介绍了使用Proteus软件仿真典型接口芯片8255A课堂教学演示过程。用这一软件演示很清晰地反映了8255A的设置方式和工作过程。课堂教学实践表明:这种演示对清楚地讲解8255A接口芯片的工作过程很有帮助。更多还原

【Abstract】 This article introduced the Simulation-process of classroom demonstration of interface-chip 8255A in the Proteus software. The demonstrations of this software show clearly the 8255A’s work processes and set-up. The classroom-teaching shows: It is very helpful to clearly explain the work-process of 8255A in classroom for this demonstration.更多还原