【正文】 I 基于 18B20 溫度報警系統(tǒng)畢業(yè)設計目錄摘要 ...............................................................................................................................IABSTRACT ..................................................................................................................II第一章：緒論 ..............................................................................................................1：課題背景 .........................................................................................................1：溫度檢測與及報警系統(tǒng)的國內(nèi)外狀況 .........................................................1：溫度參數(shù)、溫度檢測和語音報警 .................................................................3 溫度參數(shù) .................................................................................................3 溫度檢測 ...................................................................................................3 語音報警 ...................................................................................................3第二章：系統(tǒng)總體設計方案 ................................................................................4　 單片機語音溫度報警系統(tǒng)的總體設計 .........................................................4 系統(tǒng)的基本工作過程 ........................................................................................4第三章：單片機溫度控制和語音報警系統(tǒng)硬件設計 .................................5 溫度控制和報警主機 ........................................................................................5 主控制單片機 ............................................................................................5 AT89S52 特點 ...........................................................................................5 AT89S52 主要功能特性： ....................................................................6 溫度檢測和報警主機硬件電路設計 .......................................................9南京工業(yè)大學本科生畢業(yè)設計（論文） II 單片機及復位鍵控制模塊 ......................................................................10 語音電路 ..........................................................................................................11 ISD1420 芯片簡述 ..................................................................................11 芯片引腳介紹 .........................................................................................12 芯片工作原理 .........................................................................................13 芯片工作模式 .........................................................................................13 語音電路設計 ..........................................................................................14 DS18B20 芯片簡介 ..........................................................................................14 溫度傳感器的歷史及簡介 ......................................................................14 DS18B20 性能特點與內(nèi)部結(jié)構(gòu) .............................................................15 DS18B20 工作時序 .................................................................................20 DS18B20 的操作協(xié)議 .............................................................................22 DS18B20 序列號編碼 .............................................................................24 DS18B20 的測溫原理 .............................................................................24 DS18B20 的測溫流程 .............................................................................26 DS18B20 數(shù)據(jù)校驗與糾錯 .....................................................................26 DS18B20 在測溫系統(tǒng)中的應用 ..........................................................28 測溫系統(tǒng)的硬件工作原理 ....................................................................28 注意事項 .............................................................................................28第四章軟件設計 .....................................................................................................29　 設計思路 .......................................................................................................29 程序設計 ........................................................................................................31 主程序 .....................................................................................................31 讀出溫度子程序 .....................................................................................31 溫度轉(zhuǎn)化命令子程序 ..............................................................................32 計算溫度子程序 ......................................................................................32 顯示數(shù)據(jù)刷新子程序 ..............................................................................33 LED 顯示程序模塊 .................................................................................33南京工業(yè)大學本科生畢業(yè)設計（論文） III第五章：系統(tǒng)調(diào)試 .................................................................................................34　 硬件調(diào)試 .......................................................................................................34 硬件靜態(tài)的調(diào)試 ...................................................................................34 系統(tǒng)硬件調(diào)試 .......................................................................................35　 軟件調(diào)試 .......................................................................................................35 軟硬聯(lián)調(diào) ........................................................................................................35結(jié) 論 ...................................................................................................................36致 謝 ...................................................................................................................37參考文獻 ...................................................................................................................38附 錄 ...................................................................................................................39南京工業(yè)大學本科生畢業(yè)設計（論文） 1第一章：緒論：課題背景測量控制的作