目录
摘要................................................................................................Ⅰ
Abstract..........................................................................................Ⅱ
一、绪论..........................................................................................1
(一)设计任务....................................................................................1
（二）设计要求...................................................................................1
（三）功能简介........................................................................ ..........1.
（四）参考文献...................................................................................1
二、系统总体方案.................................................................................2
三、硬件设计.......................................................................................2
（一） AT89C52 单片机介绍....................................................................2
1.AT89C52 单片机的硬件结构...........................................................3
2.主要性能参数............................................................................3
3.AT89C52 管脚说明.......................................................................4
4.存储器结构...............................................................................6
5.定时器.....................................................................................6
6.中断........................................................................................7
7.晶振特性..................................................................................8
8.空闲模式..................................................................................8
9.掉电模式..................................................................................8
（二）LM016L 显示屏.............................................................................9
（三）报警电路的设计..........................................................................10
（四）键盘模块电路设计.......................................................................11
四、 系统软件的设计.......................................................................11
（一）程序设计简要.............................................................................11
（二）系统的工作流程..........................................................................12
（三）软件设计...................................................................................13
五、 程序调试与分析........................................................................13
致谢.................................................................................................14
总结.................................................................................................15
附录 源程序代码..............................................................................16
