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1、西安電力高等?？茖W(xué)校計(jì)算機(jī)工程_系_2010屆畢業(yè)設(shè)計(jì)（論文）題目：LED顯示系統(tǒng)設(shè)計(jì)學(xué)號：姓名：專業(yè)：計(jì)算機(jī)控制技術(shù)專業(yè)班級：44071指導(dǎo)教師：完成時間：2010年6月日36目錄摘要·······························································2第一章LED點(diǎn)陣顯示的背景和控制技術(shù)狀況··························21.1LED點(diǎn)陣顯示的背景········································31.
2、2LED顯示的控制技術(shù)狀況····································3第二章開發(fā)環(huán)境簡介·············································42.1單片機(jī)的發(fā)展··············································42.2STC89C52的硬件結(jié)構(gòu)·······································52.2.1STC89C52芯片引腳介紹························
3、···········52.2.2STC89C52單片機(jī)的存儲器結(jié)構(gòu)····························62.2.3STC89C52單片機(jī)的輸入/輸出端口··························82.2.4STC89C5236單片機(jī)的復(fù)位電路······························112.3VC6.0簡介················································122.4KeilC51簡介···················
4、···························12第三章點(diǎn)陣漢字編碼和漢字顯示原理·······························163.1漢字字?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?63.2漢字顯示原理··············································17第四章LED顯示系統(tǒng)硬件設(shè)計(jì)·····································184.1列掃描模塊·····
5、···········································184.2硬件設(shè)計(jì)··················································19第五章LED顯示系統(tǒng)軟件的設(shè)計(jì)··································225.1設(shè)計(jì)流程·················································23365.2軟件程序?qū)崿F(xiàn)····································
6、·········23第六章程序下載調(diào)試·············································32設(shè)計(jì)總結(jié)··························································35參考文獻(xiàn)··························································36摘要隨著電子信息技術(shù)和智能化的不斷深入，人們的生活、工作等各個方面發(fā)生了巨大的變化。近些年，單片機(jī)的開發(fā)應(yīng)用已成為高科技和工程領(lǐng)域
7、的一項(xiàng)重要內(nèi)容。因?yàn)樗哂屑啥雀?、體積小、功耗低、控制功能強(qiáng)、速度快、抗干擾能力強(qiáng)、易于開發(fā)等諸多優(yōu)點(diǎn)。因此，從導(dǎo)彈的導(dǎo)航裝置到飛機(jī)上各種儀表的控制；從計(jì)算機(jī)的網(wǎng)絡(luò)通訊與數(shù)據(jù)傳輸?shù)焦I(yè)自動化過程的實(shí)時控制和數(shù)據(jù)處理；以及我們生活中廣泛使用的各種智能IC卡、電子寵物等都離不開單片機(jī)。在發(fā)達(dá)國家單片機(jī)技術(shù)開發(fā)應(yīng)用發(fā)展很快，并取得了明顯的經(jīng)濟(jì)效益和社會效益。在我國，單片機(jī)的應(yīng)有進(jìn)展也很快，特別是在工業(yè)控制、通信、智能化儀器、儀表、產(chǎn)品自動化、分布式控制系統(tǒng)中已取得了可喜的成果。36近幾年來我國LED顯示的相關(guān)技術(shù)也取得
8、了較快和較大的發(fā)展，早期時曾因LED材料器件的限制，LED顯示屏的應(yīng)用領(lǐng)域沒有廣泛展開，另一方面，顯示屏控制技術(shù)基本上是通信控制方式，客觀上影響了顯示效果。所以導(dǎo)致早期的LED顯示屏在國內(nèi)很少，產(chǎn)品以紅、綠雙基色為主，控制方式為通信控制，灰度等級為單點(diǎn)四級調(diào)灰，產(chǎn)品的成本比較高。后來LED顯示屏迅速發(fā)展，進(jìn)入九十年代，全球信息產(chǎn)業(yè)高速增長，信息技術(shù)各個領(lǐng)域不
