基于单片机的交通灯控制系统单片机毕业论文外文文献翻译及原文Word格式.docx
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外文文献翻译
文献、资料中文题目:
基于单片机的交通灯控制系统
文献、资料英文题目:
Structureandfunction
oftheMCS-51series
文献、资料来源:
文献、资料发表(出版)日期:
院(部):
专业:
通信工程
班级:
姓名:
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指导教师:
翻译日期:
2017.02.14
毕业设计文献资料翻译
(原文及译文)
原文名称:
StructureandfunctionoftheMCS-51series
课题名称:
基于单片机的交通灯控制系统
StructureandfunctionoftheMCS-51seriesone-chipcomputerMCS-51isanameofapieceofone-chipcomputerserieswhichIntelCompanyproduces.Thiscompanyintroduced8top-gradeone-chipcomputersofMCS-51seriesin1980afterintroducing8one-chipcomputersofMCS-48seriesin1976.Itbelongtoalotofkindsthislineofone-chipcomputerthechipshave,suchas8051,8031,8751,80C51BH,80C31BH,etc.,theirbasiccomposition,basicperformanceandinstructionsystemareallthesame.8051dailyrepresentatives-51serialone-chipcomputers.
Aone-chipcomputersystemismadeupofseveralfollowingparts:
(1)Onemicroprocessorof8(CPU).
(2)AtslicedatamemoryRAM(128B/256B),itusenotdepositingnotcanreading/datathatwrite,suchasresultnotmiddleofoperation,finalresultanddatawantedtoshow,etc.(3)ProcedurememoryROM/EPROM(4KB/8KB),isusedtopreservetheprocedure,someinitialdataandforminslice.ButdoesnottakeROM/EPROMwithinsomeone-chipcomputers,suchas8031,8032.(4)Four8runsidebysideI/OinterfaceP0fourP3,eachmouthcanuseasintroduction,mayuseasexportingtoo.(5)Twotimer/counter,eachtimer/countermaysetupandcountintheway,usedtocounttotheexternalincident,cansetupintoatimingwaytoo,andcanaccordingtocountorresultoftimingrealizethecontrolofthecomputer.(6)Fivecutoffcuttingoffthecontrolsystemofthesource.(7)OneallduplexserialI/OmouthofUART(universalasynchronousreceiver/transmitter(UART)),isitrealizeone-chipcomputerorone-chipcomputerandserialcommunicationofcomputertousefor.(8)Stretchoscillatorandclockproducecircuit,quartzcrystalfinelytuneelectriccapacityneedouter.Allowoscillationfrequencyas12megahertznowatmost.Everytheabove-mentionedpartwasjoinedthroughtheinsidedatabus.Amongthem,CPUisacoreoftheone-chipcomputer,itisthecontrolofthecomputerandcommandcentre,madeupofsuchpartsasarithmeticunitandcontroller,etc..Thearithmeticunitcancarryon8personsofarithmeticoperationandunitALUoflogicoperationwhileincludingone,the1storingdevicetemporariesof8,storingdevice2temporarily,8'
saccumulationdeviceACC,registerBandprocedurestateregisterPSW,etc.PersonwhoaccumulateACCcountby2inputendsenteredofcheckingetc.temporarilyasoneoperationoften,comefrompersonwhostore1operationisitisitmakeoperationtogoontocounttemporarily,operationresultandloopbackACCwithanotherone.Inaddition,ACCisoftenregardedasthetransferstationofdatatransmissionon8051inside.Thesameasgeneralmicroprocessor,itisthebusiestregister.Helprememberingthatagreeingwithaexpressintheorder.Thecontrollerincludestheprocedurecounter,theorderisdeposited,theorderdeciphering,theoscillatorandtimingcircuit,etc.Theprocedurecounterismadeupofcounterof8fortwo,amountsto16.Itisabyteaddresscounteroftheprocedureinfact,thecontentisthenextIAthatwillcarriedoutinPC.Thecontentwhichchangesitcanchangethedirectionthattheprocedurecarriesout.Shakethecircuitin8051one-chipcomputers,onlyneedouterquartzcrystalandfrequencytofinelytunetheelectriccapacity,itsfrequencyrangeisits12MHZof1.2MHZ.Thispulsesignal,as8051basicbeatsofworking,namelytheminimumunitoftime.8051isthesameasothercomputers,theworkinharmonyunderthecontrolofthebasicbeat,justlikeanorchestraaccordingtothebeatplaythatiscommanded.
ThereareROM(procedurememory,canonlyread)andRAMin8051slices(datamemory,canisitcanwrite)twotoread,theyhaveeachindependentmemoryaddressspace,disposewaytobethesamewithgeneralmemoryofcomputer.Procedure8051memoryand8751sliceprocedurememorycapacity4KB,addressbeginfrom0000H,usedforpreservingtheprocedureandformconstant.Data8051-87518031ofmemorydatamemory128B,addressfalse00FH,usingformiddleresulttodepositoperation,thedataarestoredtemporarilyandthedataarebuffered.InRAMofthis128B,thereisunitof32bytesthatcanbeappointedasthejobregister,thisandgeneralmicroprocessorisdifferent,8051sliceRAMandjobregisterrankoneformationthesametoarrangethelocation.ItisnotverythesamethatthememoryofMCS-51seriesone-chipcomputerandgeneralcomputerdisposesthewayinaddition.Generalcomputerforfirstaddressspace,R