目 录
第一章 绪 论...................................................................................................................1
1.1 引言 .................................................................................................................................1
1.2 研究背景和意义............................................................................................................1
1.3 本文的结构....................................................................................................................1
第二章 系统总体设计方案 ......................................................................................3
2.1 设计内容 .........................................................................................................................3
2.2 方案选择 .........................................................................................................................4
2.2.1 单片机的选择 ..................................................................................................4
2.2.2 时钟芯片的选择..............................................................................................4
2.2.3 温湿度传感器的选择......................................................................................4
2.2.4 显示模块的选择...............................................................................................5
2.2.5 键盘模块的选择...............................................................................................5
第三章 器件及模块的介绍 .........................................................................................6
3.1 双单片机作为中央处理器,组成最小系统 .........................................................6
3.2 时钟模块的设计及原理............................................................................................11
3.3 温湿度检测的设计及原理 .......................................................................................15
3.4 LED 数码管显示电路 ................................................................................................17
3.5 键盘控制电路的设计 ...............................................................................................21
3.6 电源电路的设计 ........................................................................................................21
3.7 系统总体硬件设计原理图 .......................................................................................22
第四章 Protel99SE 软件简介 ................................................................................23
4.1 Protel99SE 软件的介绍 .....................................................................................23
4.2 Protel99SE 原理图编辑 .....................................................................................24
4.3 电路板的设计 ...........................................................................................................25
第五章 硬件调试 ..............................................................................................................27
第六章 总结 ..........................................................................................................................28
6.1 论文总结 .....................................................................................................................28
6.2 感想..............................................................................................................................28
致 谢 .....................................................................................................................................29
参考文献...................................................................................................................................30