单片机最小系统电路设计1

1、电子线路CAD课程论文题目：单片机最小系统电路设计1电路功能和性能指标本设计使用80C52单片机为内核的最小系统版。一般分为四个部分，由晶振，复位电路，电源，工作指令的LED（流水灯比较好）单片机最小系统，或者称为最小应用系统，是指用最少的元件组成的单片机可以工作的系统.2原理图设计2.1 原理图元器件制作2.1.1 新建元器件编辑库该元器件的绘制主元器件库编辑器界面上完成。创建项目元器件库“我的元器件库1.SCHL旧”，然后命名元器件”80C52"，执行Tools-RenameComponen的菜单命令。接着绘制矩形，绘制引脚并编辑引脚，同时还要修改元器件属性。最后添加封装DIP4

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6、;.白蜜电子啪啊UU>.曾*电子蠲解的|更欢曲YEN部2.2原理图设计2.2.1 新建原理图新建一个项目，并保存为“单片机.PRJPCB',然后新建一个原理图，并保存为”单片机.SCHDOC”。1iF-E_H-.1I*w-a1GX,m1epooEL七eti-rl+01+E4*FPecIkTl.FDITeo:=Aie百CG七W0IT生匚pwce-Assss-=L&aVVyVftag叁AcAq1p£k£二比rl+5ss也aVe-Preb3i£eitt情Acsd.rkSpfl.ceA1s.pFFDa.Z-ITQCi£eIk.IkdSttj

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8、mpile皂wornent单片机;8).(1XSCHDOCAddtoFrojectOp&nProjectDocufhents.BaCloseProjectDocumexitsCloseFrojeetSkowVari5tskLfl-ealHisoryConfigTiratiProjectQpticm.3.FPGAtforkspace片机rs;CompilePCBProject单片机.FEJTCEAddExistingtoFrojsct.RemovefromFroject.,ShowewFhysicalDiffreikcg.Compeni&ntLi值以一L-n-.T'w.L

9、=-一一-一一一-l>h.VCk2.2.5Messagesffl及错误图“rhJt£J单片H/F“拿>H¥PCftE-昌钿r计WHjtMEPlflKt£J"，刈“Fird干!uEwxrtrt如Tm口激曲忤机上闭.Dvtl.种位.即1211睥到里片的加Commw同娓曲定J刘翔产F0201M-12?片靠Com,.通网”颜的.1斤第下午06,2017-4-12哂*"矶一机Cohtl.下吊及.317412A图Ed单片矶唱LDml.。，加加七/5305m7363下午CBu3J1W27-M2姐就响Can.丁坤W制l喇m姆1下午任2017412喟

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11、12旭ME）单片机位1.DMl.5网FM口加ii5HDd5WB3.5fl.67?下千蜃3anr+12防曹叫|片犯加Can僮押h*LW皿V9?J!笆.W缴下午俳2Q1M12靠ME)忖凯Dm.01>pdhdlBtdGfd用酮.的1%勺下年06.2ffl?412口WE）单冲风飞Dm.Bgnd阳Lebd5M事例.飙内两下干篇.31I7+12加蚪-0单片乳51下午处W1M-12鸿网片1不二Coil.ttijkiM翊曲量1射？下午OS.ifrl?412如兔单岩帆一矶.Do>tl.下阜Oft.331741271同0单片?1%1Cwt.口，皿%之41005锐聚1期下午E2Q1F412党fw*g片机

12、FICan.口班哈口网硼廿砰皎知知下午箔2017412里四夕”片凯Earn.了皿用1叫4部掂熊第下学Oft.Ml?+12NMK1将乳罐JDa>n_.01代、1啊3&M邛.“下午患.3JR+1235睥建片矶、创8Q!飘Pyi金1044餐”工总磔下午5割INK事_毋声-IdKTPfbrWERX-2.2.6 执行“Design-MakeSchematicLibrary”菜单命令.2towseLibr-ary.-LjjJ8Add/ReiwioveLibrary.kFF5t-M三tzboriiat工cLitr-aryRMlokc工g七餐中6七七<1LibinaryXemplater-

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14、R4pQr±eitindowHa±p图82.2.7 本项目的元器件库文件60C52rrustAln金厂:川ComponentsDescriptionLhmAT24C256CpCapPol2Header2Header5X2HeaderK2LEDOResTapReslRes3SWXTAISCHLibMaryXCapacitorPolafizedCapacitof(Ax.Header2-PinHeader,5-JPin,DuallrowHeader9aPin,DualrowTwicalINFRAREDGa.TappedResistorResistorResistorFiag占dd

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16、HelpUpdatePCBDocument单片机.PCBDOC事Add/RemaveLibrary,MalceSchematiCLibararySPcbLitj*单片机后印MakeIntegxatedLibraryTemplateN«tliEiForFrojtctNetlistForDocumentSivnulateCrCreateCreateComponentFromSheetSjmchronizeSh.eetEn.triDocumentOptions,.,FromSymbolHOLFileFromSymbclVKDLFileXSpic'eShqqtSnbolFrontSK

17、eetEBIFferFCBMultiWirePeadforFCBCUPLHetlistProfel图102.3.2网络表exCAPRS.Oe-7-5X3.2C2CCSOXS-DSIDSiCTcpC3匚匚三口JLW一口日口SCajjC5CC2G13-OSOS)CapersCC2CiX2-OaiD511图112.3.3 网络表主要包含两个重要的信息，一是元器件信息，由一对方括号括起来，二是元器件的电气连接，即属于同一个网络的引脚有哪些，由一对圆括号括起来。元器件报表图C2CC2012-0805Cap元器件信息：名称C2,封装形式为CC2012-0805,描述为CapRSTC1-1JP3-9R1-2

18、U>9电气连接：与网络名称为RST相连的引脚有C1的1脚，JP3的9脚,R1的2脚，U1的9脚2.3.4 执行Reports-BillofMaterial的命令olsReportsWindowHelp+BillofMt驻i虹工ComponentCrossReferenceReportProjactHierarchyC'BON'ReportSingleFinNetwj-；FortCrossKeftirence图122.3.5元器件清单iher匚Qlurr才(中CAhberVjmmlCnmmnrft匚QmpW'MtKlrtdCamponBniKndl?«sc

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22、uot;QpanExpaitHdI口KIU皿0-1FbCdurnraIrtcVi«w图133PCB设计3.1 元器件封装制作3.1.1 新建PCBLibrary,并命名为"MY.PCBL旧”，进行如下步骤，元器件命名,参数设定，绘制元件，保存封装。File|EditewProject£1.-a.eeQesigxiToolsReportsWindowHelp；HewIOpan.ImportGlosEtrl+OCtrl+F4*OpenPrQ_j_ect.QpanD«signWoirkspaae.直SaveSaveAs.Sa.vcCop至Ab._Sav

23、1;JQ.3-Ctrl+SSaveFrcijset同，一SaveDesienWorkspaceAs.TFage：Setup.,-.forintPrayi*w.Frint.DefaultFrirtis.Ctrl+FWProtel99SEImportzaxd.RaccnntIlDcumAnt.EBftcentFroj«ctB：RecentDesi£TlWorkspaceEkEkitAlt+F4£cRcm<'lLiaPCBVHBLDo武uiMntVerilo.£D&eumentCSourceDocumentCH«a.d«

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25、HaneLS本片礼>MPCELB'期单时机PCBDOC*国单片机NETMmL.丁加川口皿：|山川II30鼻bW:gIZowwPlDmE向kgCofipomtiNwntP桂PifiriMRZBC£IMraNENL1-ID05W3?wg12何行叫出r-KkMN勿，tttttppppYSiwLarsTopfly%1r葩TMvefLT/Ovei蜘HullgHuitAverWrriShi图153.2PCB设计3.2.1 新建PCBDOC并命名为“单片机.PCBDOC”。设置物理边界,并设置板面长5990mil,宽为75mil,其余的都是pcb默认值。设置单层板,£i1*

26、EditFrqj£1ien工001MtsndcwNew"HL3Qpvn.Import£1qe«Ctrl+OC11-1+F4ikOpenFsroiect,.penLesigrtWerkspaceJ皂立”店SaveAs.SaveCep直As.SaveAllCtrl+SSaveFrojectAs.S<v«C«sienWcrkspbcvk*-0F逐.*5R七叩1.PrintPreview.Erint.DefaultFrings.Ctrl+FPlr-At。口M"PTfTi,Tkr-iV-tWII*/R«e*LtDen&

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28、1357246810E-LCLC3.2.2PCB图图173.2.3执行“Design-MakePCBLibrary”图18103.2.4项目封装库图193.2.5文档目录图20113.3PCB设计后处理3.3.1 执行“Tools-TeardropS的菜单命令图213.3.2 补滴泪后的图形图22123.3.3执行“Place-PolygonPouF的菜单命令图233.3.4敷铜后的面板图24133.3.5 执行“Report-BoardInformation"的菜单命令图253.3.6 PCB信息报表PCDInfor&alionpJxIBe-rter-alCompone-n

29、ti：同艮Es：jLoaded_36IALELCDD5ELCEbD&SNDLCDDDLCDD7KET1LCOD1LEDOKETV21LCDD2LEDIKE?if3LCDD3NetC2_2KEV4LCD口再NetC3_1-cIevn/OriM图26143.3.7执行“Reports-NetlistStatuS的菜单命令tReportsWindowHelpCbEoardInformation.Billc£MaterialsSithpl«BOMProjectReportsNetlistStatus幽our电DistanceCtrl+MMeasureFrintilivesM

30、easureSelectedObjectsRE图273.3.8网络状态报表NetaxeporXForon2017-4-12at下午10:09:05ALESignalLayersOnlyLength:0ailsSignalLayersOnlyLength:3054nilsGNDSignalLayersOnlyLength;16260milsKEY1SignalLayersOnlyLength:3415milsKEY2SignalLayeraOnlyLengtJi:3642milsKEY3SignalLayersOnlyLength:39Z3milsSignalLayersOnlyLengrch:

31、28X4milsKEYSSignalLayersOnlyLength:3133milsKEY6SignalLayersOnlyLength.:3617milaLCDDOSignalLayersOnlyLength:3726milsLCDDLSignalLaycESOnlyLength.:3691iulsLCDDESignalLayersOnlyLengcJi:4Z56misLCDD3SignalLayersOnlyLength:4503milsLCDD4SignalLayeesOnly3662nilsLCDDSSignalLayersOnlyLength:3671milsLCDD6SignailLayersOnlyLength.:3763milsimrsT短*ibw*-i*.1T*”-Ci1«svTHiiKp/inWI41-v川图28154