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1、北京化工大学北方学院毕业设计（论文）——外文文献原稿和译文外文文献原稿和译文原 稿IntroductionInfraredremotecontrolsystemismainlycomposedbytheremotecontroltransmitter,integratedreceiverhead,microcontroller,interfacecircuitshowninFigure1.Theremotecontrolisusedtogeneratetheremoteencoderpulsedriveinfraredemissioncontroloutputoftheinfraredrem
2、otecontrolsignal,theremotecontrolreceiverontheremotecontrolsignalamplification,detection,shaping,demodulationremoteencoderpulse.Theremotecontrolencoderpulseisaserialbinarycodefortheinfraredremotecontrolsystem,theserialcodeinputtothemicrocontroller,itsinternalCPUinstructiondecodeontheremotecontrol,an
3、dperformremotecontrolfunctions.Usingtheremotecontrolastheinputofthecontrolsystem,weneedtoaddressthefollowingkeyquestions:howtoreceivetheinfraredremotecontrolsignal;howtoidentifytheinfraredremotecontrolsignal,anddecodingsoftwaredesign,designofcontrolprocedures.SCMhistorySCMwasbornin1971,hasgonethroug
4、hthreemajorphasesoftheSCM,theMCUSoC.Itconsistsofcomputingdevice,controller,memory,inputoutputdevices.Itsfullnameisasingle-chipmicrocomputer,istypicalofembeddedmicro-controller(MicrocontrollerUnit),thecommonlyusedlettersoftheabbreviationMCUsingle-chip,anditwasfirstusedinthefieldofindustrialcontrol.Ma
5、stermicrocontrollertechnologytoenablemorepeopleintheindustry,students,enthusiasts,productdevelopers,thequestionaroseduetotheextensiveapplicationofSCMinthefieldofindustrialcontrol,microcontrollerdevelopmentboard,themorefamoussuchase-DZR-01Amicrocontrollerdevelopmentboard.Microcontrollerchipdedicatedp
6、rocessordevelopedfromtheCPU.Thefirst10北京化工大学北方学院毕业设计（论文）——外文文献原稿和译文designconceptbyalargenumberofperipheralsandCPUintegratedinasinglechip,thecomputersystemissmaller,moreeasilyintegratedintocomplexandrequirestrictcontrolequipmentonthevolume.Single-chip,alsoknownassingle-chipmicrocontroller,itisnotthec
7、ompletionofalogicalfunctionofthechip,butacomputersystemintegratedontoonechip.Equivalenttoamini-computerandcomputer,microcontrolleronlythelackofI/Odevices.SCMrelyontheprogramisrunning,andcanbemodified.
