文档介绍：武汉工程大学
《MCS-51单片机原理及应用》
课程设计实验报告
题目:基于89C52的液晶计算器
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2011年12月28日
目录
目录·····················································2
摘要·····················································3
Abstract·················································4
一、设计任务·············································4
二、正文·················································4
第1节、1602液晶与矩阵键盘概述··························4
、 1602液晶的介绍以及使用方法·················4
、矩阵键盘的工作原理··························6
第2节、设计方案辨析·····································8
第3节、硬件电路的设计···································8
矩阵键盘电路·································8
1602液晶显示电路·········