目 录1. 设计目的与要求···························11.1 设计要求······························11.2 设计思路简述····························11.3 整体结构框图····························12. 系统硬件设计····························22.1 单片机最小系统模块·························22.1 单片机 AT89C51··························22.1.2 晶振电路···························32.1.3 复位电路···························32.3 温度传感器 DS18B20 模块·······················42.3.1 结构特点····························42.3.2 引脚说明····························52.4LED 数码管模块···························52.4.1 工作原理····························52.4.2 显示方式····························63. 系统软件设计····························73.1 主程序流程图····························73.2 数据采集电路流程图·························83.3 显示电路流程图···························94. 系统仿真与调试···························10参考文献································11附录··································121. 设计目的与要求利用本学期学习的单片机知识完成一个单片机的设计并且进行仿真实现其功能，从而达到对单片机软硬件的进一步理解以及掌握相关传感器的原理以及使用方法，获得一定的实践经验，培育相互协作，理论与实践相结合，提过发现问题并且解决问题的能力。1.1 设计要求实时显示温度环境，四位数码管显示,3 位整数，1 位小数。温度范围-55-127 度。 1.2 设计思路简述本设计使用 DS18B20 温度传感...
