目 录
1. 绪论 ......................................................................................................................1
1.1 课题研究的背景 ...................................................................................................................1
1.2 课题研究意义 .......................................................................................................................1
1.3 论文章节安排 .......................................................................................................................2
1.4 本章小结 ...............................................................................................................................2
2 .系统基础知识概述及开发环境的建立 ...............................................................3
2.1 新型绿色电冰箱技术现状及发展方向 ..............................................................................3
2.1.1 我国电冰箱的现状 .......................................................................................................3
2.2.2 绿色电冰箱的发展趋势 ...............................................................................................3
2.2 PIC 单片机的概述 ................................................................................................................4
2.2.1 PIC 单片机介绍 .............................................................................................................4
2.2.2 PIC 系列单片机特点 ....................................................................................................4
2.2.3 PIC16F72 单片机的引脚及介绍...................................................................................5
2.3 PIC16F72 系统开发环境的建立..........................................................................................7
2.3.1 MPLAB IDE 软件简介..................................................................................................7
2.3.2 烧录器软件介绍 ...........................................................................................................8
2.4 编程语言概述 ....................................................................................................................10
2.5 HITECH-PICC 编译器 ......................................................................................................10
2.6 本章小结 ............................................................................................................................11
3. 时钟控制器的硬件设计 ....................................................................................12
3.1 系统总体设计框图 ............................................................................................................12
3.2 控制核心的设计 ................................................................................................................12
3.3 主系统的供电电路设计 ....................................................................................................13
3.3.1 7805 的概述 .................................................................................................................13
3.3.2 固定输出的双电源电路 .............................................................................................14
3.4 时钟系统电路设计 ............................................................................................................14
3.4.1 常用时钟日历芯片比较 .............................................................................................14
3.4.2 DS1302 简介 ................................................................................................................14
