【正文】 ................................................ III 目 錄 ..................................................................................................................................1 1．緒 論 ............................................................................................................................4 課題來源及研究意義 ................................................................................................4 報(bào)警器發(fā)展歷程 ........................................................................................................4 國(guó)內(nèi)外研究現(xiàn)狀簡(jiǎn)述 ................................................................................................4 2．總體方案設(shè)計(jì) ....................................................................................................................6 報(bào)警器的功能要求 ...................................................................................................6 總體設(shè)計(jì)方案 ...........................................................................................................6 基本設(shè)計(jì) .........................................................................................................6 設(shè)計(jì)原則 .........................................................................................................6 總體設(shè)計(jì)方案 .................................................................................................7 系統(tǒng)的預(yù)期效果 .............................................................................................8 相關(guān)知識(shí)介紹－數(shù)字移動(dòng)通信系統(tǒng) .......................................................................8 單片機(jī)開發(fā)工具 .......................................................................................................9 單片機(jī)的軟件開發(fā)工具 ................................................................................9 單片機(jī)的硬件開發(fā)工具 .............................................................................. 11 3．硬件設(shè)計(jì) ..........................................................................................................................13 核心控制模塊 .........................................................................................................13 單片機(jī)芯片介紹 ..........................................................................................13 單片機(jī)功能特性 ..........................................................................................13 單片機(jī)端口特性 ..........................................................................................14 I/O 分配表 .....................................................................................................15 最小系統(tǒng)硬件電路設(shè)計(jì) ..............................................................................15 熱釋電傳感器 .........................................................................................................16 熱釋電紅外線傳感器簡(jiǎn)介 ..........................................................................16 敏感單元 ......................................................................................................16 2 濾光 窗 ..........................................................................................................17 菲涅爾透鏡 ..................................................................................................18 溫度傳感器 .............................................................................................................19 溫度傳感器簡(jiǎn)介 ..........................................................................................19 溫度傳感器的外形和內(nèi)部結(jié)構(gòu) ..................................................................19 溫度傳感器工作原理 ..................................................................................20 測(cè)溫電路圖 ..................................................................................................23 時(shí)鐘模塊 .................................................................................................................25 功能與特點(diǎn) ..................................................................................................25 結(jié)構(gòu) ..............................................................................................................26 寄存器 ..........................................................................................................26 顯示模塊 .................................................................................................................27 顯示模塊引腳功能 ......................................................................................27 內(nèi)部顯示地址 ..............................................................................................28 指令系統(tǒng) ......................................................................................................29 時(shí)序圖 ..........................................................................................................29 液晶顯示字符代碼表 ..................................................................................30 顯示模塊電路圖 ..........................................................................................31 按鍵模塊 .................................................................................................................32 蜂鳴器模塊設(shè)計(jì) .....................................................................................................33 無線通訊模塊 .........................................................................................................33 電源電路 .......................................................................................................34 數(shù)據(jù)通信電路 ..............................................................................................34 語音通信電路 ..............................................................................................35 SIM 卡電路 ...................................................................................................35 TC35 模塊管腳功能 .....................................................................................35 TC35i 功能 ........................................................................