目录
第一章 引言..............................................................................................................................................................1
1.1 发展状况.........................................................................................................................................................1
1.2 选题意义与目的............................................................................................................................................1
1.3 功能要求.........................................................................................................................................................2
第二章 设计方案分析与选择..................................................................................................................................3
2.1 主控核心(单片机) ..........................................................................................................................................3
2.2 温度芯片.........................................................................................................................................................4
2.3 时钟芯片.........................................................................................................................................................5
2.4 显示器件.........................................................................................................................................................5
第三章 系统硬件设计..............................................................................................................................................6
3.1 单片机最小系统设计.....................................................................................................................................6
3.2 温度电路的设计.............................................................................................................................................8
3.3 时钟电路的设计...........................................................................................................................................10
3.4 显示电路的设计...........................................................................................................................................11
3.5 键盘电路的设计...........................................................................................................................................12
3.6 报警电路的设计...........................................................................................................................................13
第四章 系统软件设计............................................................................................................................................14
4.1 系统总程序...................................................................................................................................................14
4.2 温度模块程序...............................................................................................................................................14
4.3 时钟模块程序...............................................................................................................................................16
4.4 显示模块程序...............................................................................................................................................20
4.5 键盘及其它模块程序...................................................................................................................................21
第五章 调试与仿真................................................................................................................................................24
5.1 PROTEUS 软件简介.......................................................................................................................................24
5.2 仿真与调试步骤...........................................................................................................................................24
第六章 总结...........................................................................................................................................................28
参考文献................................................................................................................................................................29
致谢........................................................................................................................................................................30
附录 I：系统原理图
附录 II：系统源程序
