智能型充电器电源和显示设计说明书.doc

目录 摘要·······························I Abstract·····························II 第1章 概述···························· 1 第一节 绪论····························1 1.1 课题背景··························· 1 1.2 常见充电电池特性及其充电方式················· 1 1.3主要芯片的选择························ 4 1.4 液晶显示模块的选择······················ 6 第二节 毕业设计任务和要求···················· 7 第2章 硬件电路设计························ 9 第一节 液晶显示模块的两种访问方式接口电路············ 9 第二节 硬件电路主要芯片 ····················· 11 2.2.1 Atmega16L主要引脚说明··················· 11 2.2.2 Atmega16L的存储器····················· 13 2.2.3 Atmega16L的时钟电路···················· 14 2.2.4 Atmega16L的系统复位···················· 14 第三节 LCD液晶显示 ····················· 16 3.3.1 LCD的显示原理······················· 16 3.3.2 液晶显示控制驱动器·····················17 3.3.3 液晶显示模块的特点···················· 18 第四节 电源电路的设计···················· 20 第五节 硬件电路设计····················· 20 第六节 PROTELL99的应用简介·················· 21 第3章 软件设计························ 23 3.1 用C语言开发单片机的优势·················· 23 3.2 液晶显示汉字或字符的原理··················24 3.3 LCD模块的指令说明····················· 25 3.4 液晶显示界面 ······················· 27 3.5 系统程序流程图·······················27 第4章 系统调试过程·······················31 第一节 系统调试软件介绍···················· 31 4.1.1 ICCAVR编译器简介·····················31 4.1.2 ICCAVR的设置·······················32 第二节 调试过程·························35 第五章 毕业设计总结······················ 40 第一节 成果························· 40 第二节 经验总结和感谢···················· 40 参考文献····························41 附录1外文资料译文·······················39 附录2外文资料原文·······················42 附录3部分源代码························45 附录4硬件原理图························62 LCD液晶显示器控制毕业论文--单片机毕业设计论文  摘 要 LCD液晶显示已经是人机界面的关键技术。本文对基于单片机的LCD液晶显示器控制系统进行了研究。 首先在绪论中介绍了本课题的课题背景、研究意义及完成的功能。 本系统是以单片机的基本语言汇编语言来进行软件设计，指令的执行速度快，节省存储空间。为了便于扩展和更改，软件的设计采用模块化结构，使程序设计的逻辑关系更加简洁明了。使硬件在软件的控制下协调运作。 正文中首先简单描述系统硬件工作原理，且附以系统硬件设计框图，并介绍了单片机微处理器的发展史，论述了本次毕业设计所应用的各硬件接口技术和各个接口模块的功能及工作过程, 并具体描述了8052、8279及SED1520外接电路接口的软、硬件调试。其次阐述了程序的流程和实现过程。本文撰写的主导思想是软、硬件相结合，以硬件为基础，来进行各功能模块的编写。 最后对我所开发的用