摘要目录

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沈阳理工大学课程设计

摘 要



对于电子体温计，相信大家都不会太陌生。日常生活中，我们随处可见各式各样的电子体温计。本文将以AT89C51单片机为基础，以DS18B20温度传感器提供外界模拟温度，以74LS137、74LS373芯片为连接枢纽，以LED数码显示管显示屏作为输出端的显示，配合蜂鸣器报警，设计一个电子体温计，让大家对电子体温计的设计有一个更加深入的了解。

关键词：电子体温计；AT89C51；DS18B20





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沈阳理工大学课程设计

目 录



1系统设计的目的意义 ························································ 错误！未定义书签。 1.1 目的 ········································································ 错误！未定义书签。 1.2 国内外进展情况 ························································ 错误！未定义书签。 1.3 设计思路 ································································· 错误！未定义书签。 2系统分析 ········································································ 错误！未定义书签。 2.1 系统总体设计 ··························································· 错误！未定义书签。 2.2 DS18B20基础知识 ······················································ 错误！未定义书签。 2.2.1 DS18B20的封装形式及引脚功能 ······························ 错误！未定义书签。 2.2.2 DS18B20的内部结构 ············································· 错误！未定义书签。 2.2.3 DS18B20的测温原理 ············································· 错误！未定义书签。 2.2.4 DS18B20的ROM命令 ············································· 错误！未定义书签。 2.3 74LS137基础知识 ······················································ 错误！未定义书签。 2.4 74LS373基础知识 ······················································ 错误！未定义书签。 2.5 原理图设计 ······························································ 错误！未定义书签。 3 软件设计 ······································································· 错误！未定义书签。 3.1 流程图设计 ······························································ 错误！未定义书签。 3.2 源程序设计 ······························································ 错误！未定义书签。 4 系统仿真调试 ································································· 错误！未定义书签。 4.1 程序调试与运行 ························································ 错误！未定义书签。 4.2 结果分析 ································································· 错误！未定义书签。 4.3 存在问题 ································································· 错误！未定义书签。 5 收获与展望 ···································································· 错误！未定义书签。 6 对本课程改革意见 ··························································· 错误！未定义书签。 7 期望成绩 ······································································· 错误！未定义书签。



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