摘要
以ST89C51为核心的单片机学习板,用串行的接口芯片7289进行键盘显示器的控制,极大的节省了单片机的I/O口线,使得该系统板可以添加更多的硬件资源。简单实用的USB下载,为学生课外学习、课程设计、电子竞赛练习提供了方便。
SCM learning board with ST89C51 as the core greatly saves the I/O port by using serial interface chip 7289 to control keyboard and display, thus making the system board add more hardware resources. This offers convenience to students in extracurricular learning, course design, and electronic competition with the simple but practical USB downloading.
关键词
单片机
学习板
接口芯片
SCM
Learning board
Interface chip
