目录第1章 绪论....................................................31.1 STC89C52RC单片机概述...............................................31.2 LCD概述............................................................31.3 DS1302简介.........................................................41.4本设计任务.........................................................4第2章 总体方案论证与设计......................................52.1显示部分...........................................................52.2数字时钟...........................................................52.3温度采集...........................................................62.4总体硬件组成框图...................................................6第3章 系统硬件设计............................................73.1 STC89C52RC单片机最小系统...........................................73.2时钟模块...........................................................73.3 LCD液晶显示模块...................................................83.4温度测量模块.......................................................93.5键盘模块...........................................................9第4章 系统的软件设...