文档介绍：共 26页第1页中文摘要本设计万年历以 AT89C51 为控制中心,与温度传感器 DS18B20, 时钟芯片 DS1302 综合应用为一体, 不仅能够准确显示时间、日期,闹钟设置,环境温度测量及温度高低温报警等功能。单片机是一种集 CPU 、 RAM 、 ROM 、 I/O 接口和中断系统等于一体的器件, 只需要外加电源和晶振就可实现对数字信息的处理和控制。单片机与数字万年历相结合,用于时间显示,温度测试等不仅具有控制方便、组态简单和灵活性大等优点,而且可以大幅度提高被检测数值的技术指标,从而能够大大提高产品的质量和数量。关键词:单片机,温度传感器, C 语言,液晶显示共 26页第2页 ABSTRACT This design USES AT89C51 as calendar control center, and the temperature sensor DS18B20, the clock DS1302 chip integrated application asa whole, and not only be able to accurately display the time, date, alarm, the environment temperature measurement and high temperature, low temperature alarm functions. SCM isa collection of CPU, RAM, ROM, I/O interface and interrupt system is one of the devices, only require additional power can be used for vibration and grain is the process of digital information and control. Single-chip puter and digital calendar, combining for time to show, temperature testing has not only control convenient, simple and flexible configuration advantages, and which could increase the technical index of the tested value, which can greatly improve the quality of the products and quantity. Key words : Single-chip puter, Temperature Sensor, C language , Liquid crystal displ 共 26页第3页目录第一章前言................................................................................................................................................... 5 系统开发背景及现状................................................................................................................................ 5 系统开发的目的........................................................................................................................................ 5 第二章总体设计............................................................................................................................................. 6 本设计实现的功能和要求........................................................................................................................ 6 设计的选择方案和论证............................