智能型充电器的电源和显示的设计论文正

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1、要完整的说明书和图纸请联系QQ778672454目录摘要·······························IAbstract·····························II前言····························1第1章概述···························2第一节绪论···························21.1课题背景························21.2常见充电电池特性及其充电方式··············31.3主要芯片的选择·····················

2、51.4液晶显示模块的选择···················7第二节毕业设计任务和要求···················8第2章硬件电路设计························10第一节液晶显示模块的两种访问方式接口电路···········10第二节硬件电路主要芯片····················122.2.1Atmega16L主要引脚说明·················122.2.2Atmega16L的存储器···················132.2.3Atmega16L的时钟电路··················142.2.4Atm

3、ega16L的系统复位··················14第三节LCD液晶显示····················152.3.1LCD的显示原理·····················152.3.2液晶显示控制驱动器···················172.3.3液晶显示模块的特点··················18另外本人甩卖全部机械毕业设计5元一份（全部甩卖）要完整的说明书和图纸请联系QQ778672454第四节电源电路的设计···················20第五节硬件电路设计····················21第六节PROTELL99的

4、应用简介·················22第3章软件设计························233.1用C语言开发单片机的优势················233.2液晶显示汉字或字符的原理················243.3LCD模块的指令说明···················253.4液晶显示界面·····················273.5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···················314.1.

5、1ICCAVR编译器简介···················314.1.2ICCAVR的设置·····················32第二节调试过程·······················35第五章毕业设计总结·····················40第一节主要成果······················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··················

6、·····42附录3部分源代码························45附录4硬件原理图························62另外本人甩卖全部机械毕业设计5元一份（全部甩卖）要完整的说明书和图纸请联系QQ778672454前言随着越来越多的手持式电器的出现，对高性能、小尺寸、重量轻的电池充电器的需求也越来越大。电池技术的持续进步也要求更复杂的充电算法以实现快速、安全的充电。因此需要对充电过程进行更精确的监控，以缩短充电时间、达到最大的电池容量，并防止电池损坏。AVR已经在竞争中领先了一步，被证明是下一代充电器的完美控制芯片。AtmelAVR微处理器是当

7、前市场上能够以单片方式提供Flash、EEPROM和10位ADC的最高效的8位RISC微处理器。由于程序存储器为Flash，因此可以不用象MASKROM一样，有几个软件版本就库存几种型号。Flash可以在发货之前再进行编程，或是在PCB贴装之后再通过ISP进行编程，从而允许在最后一分钟进行软件更新。EEPROM可用于保存标定系数和电池特性参数，如保存充电记录以提高实际使用的电池容量。10位A/D转换器可以提供足够的测量精度，使得充好后的容量更接近其最大容量。而其他方案为了达到此目的，可能需要外部的ADC