1）设计（论文）
2）附件：按照任务书、开题报告、外文译文、译文原文（复
印件）次序装订
3）其它
目 录
摘要:...........................................................................................1
关键词： .......................................................................1
Abstract：.....................................................................1
Keywords:.....................................................................2
1.绪论..........................................................................................3
1.1 前言...............................................................................3
1.2 设计任务与要求.............................................................3
2. 12864 液晶概述.......................................................................4
2.1 名称含义 ........................................................................4
2.2 基本参数 ........................................................................4
2.3 电气特性 ........................................................................5
2.4 液晶模组接口 .................................................................6
2.5 基本用途：.....................................................................6
2.6 应用举例 ........................................................................7
3. AT89S51 单片机概述 .............................................................8
3.1 AT89S51 单片机的结构..............................................8
3.1.1 管脚说明 .........................................................11
3.1.2 主要特性 .........................................................14
3.1.3 振荡器特性......................................................15
3.2 AT89S51 单片机的工作周期 ....................................16
