潍坊学院本科毕业设计
目 录
摘要…………………………………………………………………………………………...Ⅲ ABSTRACT…………………………………………………………………………………..Ⅳ 1 前言 ...................................................................................................................................... 1
1.1选题背景 ...................................................................................................................... 1 1.2 常见充电电池特性及其充电方式 ............................................................................. 2 1.3 主要芯片的选择 ......................................................................................................... 4 1.4液晶显示模块的选择 .................................................................................................. 6 2 硬件电路设计 ...................................................................................................................... 7
2.1 液晶显示模块两种访问方式接口电路的选择 .......................................................... 7 2.2 硬件电路主要芯片 ...................................................................................................... 9
2.2.1 ATmega16L主要引脚 ........................................................................................ 9 2.2.2 Atmega16L的存储器 ......................................................................................... 9 2.2.3 Atmega16L的时钟电路 ................................................................................... 10 2.2.4 Atmega16L的系统复位 ................................................................................... 10 2.3 LCD液晶显示 ......................................................................................................... 11
2.3.1 LCD的显示原理 .............................................................................................. 11 2.3.2 液晶显示控制驱动器 ...........................