【正文】 安徽工業(yè)大學(xué) 畢業(yè)論文 目 錄 第 1 章 緒論 .............................................................................................................................1 研究課題背景 ...................................................................................................................1 第 2 章 紅外測(cè)溫儀 概述 .........................................................................................................2 紅外測(cè)溫儀簡(jiǎn)介 .......................................................................................................2 紅外線測(cè)溫儀的優(yōu)點(diǎn) ...............................................................................................2 紅外測(cè)溫儀工作原理及測(cè)溫方法 ...........................................................................2 第 3 章 系統(tǒng)硬件設(shè)計(jì) .............................................................................................................4 硬件設(shè)計(jì)概述 ...........................................................................................................4 單片機(jī) STC89C52 模塊 .............................................................................................5 MCS51 單片機(jī)內(nèi)部結(jié)構(gòu) ...............................................................................5 STC89C52RC 單片機(jī)介紹 .............................................................................5 STC89C52RC 單片機(jī)的工作模式 .................................................................6 STC89C52RC 引腳功能說明 .........................................................................7 看門狗應(yīng)用 ...................................................................................................10 紅外測(cè)溫模塊 ..........................................................................................................10 特性 ................................................................................................................10 應(yīng)用 ...............................................................................................................10 傳感器特性 ................................................................................................... 11 實(shí)用連接電路圖 ............................................................................................13 放大電路模塊 .........................................................................................................14 LM324 的引腳排列 .......................................................................................14 參數(shù)與描述 ...................................................................................................14 特點(diǎn) ................................................................................................................15 應(yīng)用電路 .......................................................................................................16 A/D 轉(zhuǎn)換模塊 ..........................................................................................................17 TLC2543 的特點(diǎn) ...........................................................................................17 TLC2543 的引腳排列及說明 .......................................................................17 接口時(shí)序 .......................................................................................................18 應(yīng)用電路 .......................................................................................................20 電源模塊 .................................................................................................................20 整流橋 ............................................................................................................21 應(yīng)用電路圖 ...................................................................................................22 液晶顯示模塊 .........................................................................................................22 管腳功能 .......................................................................................................23 特性 ...............................................................................................................24 應(yīng)用電路 .......................................................................................................25 第 4 章 系統(tǒng)軟件設(shè)計(jì) ...........................................................................................................26 總體設(shè)計(jì) .................................................................................................................26 A/D 轉(zhuǎn)換單元時(shí)序 ..................................................................................................27 TLC2543 控制字 ...........................................................................................27 工作流程 .......................................................................................................28 LM324 模塊 ..............................................................................................................31 安徽工業(yè)大學(xué) 畢業(yè)論文 紅外傳感器模塊 .....................................................................................................32 LCD1602 顯示模塊 ..................................................................................................33 1602LCD的指令說明及代碼解釋 .................................................................33 液晶顯示模塊程序流程圖 ...........................................................................36 第 5 章 總結(jié) ...........................................................................................................................37 致謝 .........................................................................................................................................38 參考文獻(xiàn) .................................................................................................................................39 附錄 .........................................................................................................................................