UC知道哪位兄台能帮我翻一下单片机实验开发板的摘要，不要在线翻译！！急啊 ，在线等
来源：百度知道 编辑：UC知道 时间：2024/06/30 02:57:53
单片机实验开发板是专为单片机学习者设计开发的一种实验兼开发板。其目的就是为了帮助学习单片机技术的朋友快速学会单片机。能够通过其强大的实验与开发功能来领会那些枯燥难懂的专业术语。
基于单片机所开发的实验开发板目前市面上有许多，其功能齐全，内容丰富，但同时大多数产品也有自己的不足与局限性。最常见的是单片机的I/O及片上资源的有限性，所以本设计的思想应运而生。本设计是通过一块芯片就可以实现I/O口的拓展,从而解决了单片机的I/O口短缺的问题，并能很好的实现键盘扫描、数码管显示、单片机基本I/O的输入输出控制、计数器、外中断、蜂鸣器报警、串行通讯等功能。此设计的单片机实验开发板是以STC89C51作为主控制芯片,串口通信芯片MAX232,DB9插座,液晶显示器,按键开关等元器件组成,通过软硬件结合实现键盘扫描,液晶显示,与上位机串行通信,I/O口扩展功能.一方面,它能作为学生简单实验的工具,另一方面,它也是综合型单片机系统设计的基础,可扩展许多其它功能。
关键词:实验开发板，STC89C51，单片机，存储器
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