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1、.多路數(shù)據(jù)采集及顯示系統(tǒng)設(shè)計(jì)TheDesignOfMulti-channelDataSamplingandDisplaySystemBasedOnSCM總計(jì)課程設(shè)計(jì)(論文)19頁(yè)表格2個(gè)插圖17幅...摘要本文介紹了基于單片機(jī)的數(shù)據(jù)采集的硬件設(shè)計(jì)和軟件設(shè)計(jì),重點(diǎn)是數(shù)據(jù)采集系統(tǒng),而該系統(tǒng)硬件部分的重心在于單片機(jī)。數(shù)據(jù)采集與通信控制采用了模塊化的設(shè)計(jì),數(shù)據(jù)采集與通信控制采用了單片機(jī)AT80C51來(lái)實(shí)現(xiàn),硬件部分是以單片機(jī)為核心,還包括A/D模數(shù)轉(zhuǎn)換模塊,10路被測(cè)電壓通過(guò)串行A/D模數(shù)轉(zhuǎn)換TLC2543進(jìn)
2、行模數(shù)轉(zhuǎn)換,實(shí)現(xiàn)對(duì)采集到的數(shù)據(jù)進(jìn)行模擬量到數(shù)字量的轉(zhuǎn)換,并將轉(zhuǎn)換后的數(shù)據(jù)通過(guò)串行輸出口,由單片機(jī)負(fù)責(zé)數(shù)據(jù)的接受、處理和輸出到顯示,顯示用LED數(shù)碼顯示器來(lái)顯示所采集的結(jié)果。軟件部分應(yīng)用C語(yǔ)言編寫控制軟件,對(duì)數(shù)據(jù)采集系統(tǒng)、模數(shù)轉(zhuǎn)換系統(tǒng)、數(shù)據(jù)顯示、數(shù)據(jù)通信等程序進(jìn)行了設(shè)計(jì)。??關(guān)鍵詞:TLC2543AT80C51C語(yǔ)言控制軟件LED數(shù)碼顯示器??????...AbstractThispaperintroducesthedataacquisitionbasedonsinglechipcomputerhard
3、waredesignandsoftwaredesign,thepointisthedataacquisitionsystem,andthesystemhardwarecenteredonsinglechipmicrocomputer.Datacollectionandcommunicationcontrolusingmodulardesign,dataacquisitionandcommunicationcontroladoptssingle-chipAT80C51torealize,hardware
4、isbasedonsinglechipmicrocomputerasthecore,includingA/Dconversionmodulemodulus,10andthevoltagetobemeasuredthroughtheserialA/DconversionmoduleTLC2543forconversionmoduletorealizethecollecteddatasimulationtothedigitalquantityoftheconversion,andwillconvertth
5、edatathroughtheserialloseexports,bysingle-chipmicrocomputerinchargeofdataprocessingandexporttoacceptanddisplay,withLEDdigitaldisplaytoshowthattheresultsofthecollected.SomeapplicationssoftwarewritteninClanguagecontrolsoftware,fordataacquisitionsystems,mo
6、dulusconversionsystem,datadisplay,datacommunicationandotherprocedurestocarryonthedesign.KeyWords:TLC2543AT80C51ClanguageLEDdigitaldisplay...目錄摘要…………………………………………………………………………………IIABSTRACT………………………………………………………………………III第一章引言………………………………………………………………………11.1研究
7、背景及意義……………………………………………………11.2國(guó)內(nèi)外研究進(jìn)展…………………………………………………1第二章硬件方案論證…………………………………………………………22.1課題內(nèi)容要…………………………………………………………22.2數(shù)據(jù)采集系統(tǒng)構(gòu)思…………………………………………………22.3A/D相關(guān)知識(shí)…………………………………………………………22.4硬件選擇……………………………………………………………32.4.1單片機(jī)89C51………………………………………………32.4.2TL
8、C2543引腳功能…………………………………………52.4.3LED顯示電路……………………………………………72.4.4鍵盤掃描……………………………………………………72.5系統(tǒng)總體結(jié)構(gòu)設(shè)計(jì)…………………………………………………8第三章硬件匹配軟件設(shè)計(jì)論證……………………………………93.1軟件設(shè)計(jì)構(gòu)思與說(shuō)明……………………………………………93.2程序設(shè)計(jì)…………………………………………………………93.3軟硬件聯(lián)機(jī)調(diào)試……………………………………