【正文】 ...............................IABSTRACT .............................................................................................................II1 緒論 ........................................................................................................................1 國(guó)內(nèi)外 LED 顯示屏的發(fā)展概況 ............................................................1 我國(guó) LED 顯示屏研究現(xiàn)狀及發(fā)展趨勢(shì) ..............................................1 設(shè)計(jì)的總體要求及方案選擇 ...................................................................2 設(shè)計(jì)說明書的結(jié)構(gòu)安排.............................................................................22 系統(tǒng)總體方案設(shè)計(jì) ............................................................................................4 系統(tǒng)總體硬件方案選擇.............................................................................4 3D 顯示屏核心控制器 ................................................................................4 電源電路 .....................................................................................................5 I\O 口擴(kuò)展芯片 ............................................................................................5 層面控制驅(qū) 動(dòng)電路 .....................................................................................6 串口通訊芯片的選擇 .................................................................................6 LED 發(fā)光顯示二級(jí)管 ..................................................................................6 硬件電路繪圖軟件 .....................................................................................7 系統(tǒng)總體軟件方案選擇.............................................................................8 單片機(jī)編程語(yǔ)言 .........................................................................................8 系統(tǒng)軟件編譯器 WAVE 介紹 ...................................................................9基于單片機(jī)的光立方的設(shè)計(jì)3 系統(tǒng)硬件方案設(shè)計(jì) ..........................................................................................10 硬件整體設(shè)計(jì)概述及功能分析.............................................................10 電源供電系統(tǒng)設(shè)計(jì) ....................................................................................10 51 系列單片機(jī)簡(jiǎn)介 ....................................................................................11 時(shí)鐘電路設(shè)計(jì) ...........................................................................................11 復(fù)位電路設(shè)計(jì) ...........................................................................................13 驅(qū)動(dòng)電路設(shè)計(jì) ..............................................................................................13 層驅(qū)動(dòng)電路設(shè)計(jì) .......................................................................................13 列驅(qū)動(dòng)電路設(shè)計(jì) .......................................................................................15 通信系統(tǒng)硬件設(shè)計(jì) ....................................................................................16 光立方的制作及工作原理介紹.............................................................17 3D LED 光立方搭接 ..................................................................................17 3D LED 光立方工作原理 ..........................................................................194 系統(tǒng)軟件方案設(shè)計(jì) ..........................................................................................21 概述 ................................................................................................................21 主程序設(shè)計(jì) ..................................................................................................21 顯示程序的設(shè)計(jì).........................................................................................22 LED 顯示屏的數(shù)據(jù)傳送 ............................................................................22 顯示程序的設(shè)計(jì) .......................................................................................22 軟件中防止程序出錯(cuò) ERR 處理 ..........................................................23 ISP 軟件程序下載 ......................................................................................245 光立方 PCB 版制作 .........................................................................................25 PROTUES 制作 PCB 版圖 ...........................................................................25 繪制電路原理圖并仿真測(cè)試 ...................................................................25 加載網(wǎng)絡(luò)表及元件封裝 ...........................................................................26 規(guī)劃電路板并設(shè)置相關(guān)參數(shù) ...................................................................27 元件布局及調(diào)整 .......................................................................................27基于單片機(jī)的光立方的設(shè)計(jì) 元件布線及調(diào)整 .......................................................................................29 輸出及制作 PCB.......................................................................................30 PCB 版的制作過程 ....................................................................................30 熱轉(zhuǎn)印版圖 ...............................................................................................31 蝕刻去銅 ...................................................................................................31 去墨打孔 ...................................................................................................316 系統(tǒng)測(cè)試及仿真 ...............................................................................................32 硬件系統(tǒng)測(cè)試 .............................................................................................32 軟件系統(tǒng)測(cè)試 .............................................................................................33 系統(tǒng)總體測(cè)試 .............................................................................................33 系統(tǒng)測(cè)試結(jié)果與結(jié)論 ...............................................................................34 測(cè)試結(jié)果分析 ...........................................................................................34 測(cè)試結(jié)論 ...................................................................................................34總 結(jié) ......................................................................................................................35致 謝 ......................................................