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1、毕业设计(论文)中英文翻译原文系别：机电工程系专业：机械设计制造及其自动化学生姓名：学号：BasedonSCMmulti-functionaltemperaturetestingsystemdesign1prefaceWiththedevelopmentofsocietyandthetechnologicalprogress,peoplepaymoreandmoreattentiontotheimportanceoftemperaturedetectionanddisplay.Temperaturedetectionandstatusdisplaytechnologya
2、ndequipmenthasbeenwidelyappliedinindustries,productsonthemarketemergeinendlessly.Temperaturetestingandalsograduallyadopttheautomaticcontroltechnologytorealizethemonitor.Thistopicisatemperaturetestingandstatusofthemonitoringsystem.2SystemsolutionsThissystemUSESthemonolithicintegratedcircu
3、itAT89S52asthissystem.Thewholesystem,thehardwarecircuitincludingpowersupplycircuit,sensor,thetemperaturedisplaycircuitcircuit,upperalarmcircuitsuchasshowninfigure1.Figureinthealarmingcircuitcanbemeasuredinuppertemperaturerange,screamingvoicealarm.Thebasicprincipleforthetemperaturecontrol
4、DSl8B20:whenthetemperaturesignalacquisitiontoaftertemperaturesignalsenttohandle,AT89S52temperaturetoLCDscreen,SCMaccordingtoinitializetheuppertemperaturesetting,namely,ifthejudgementoftemperaturethanthehighesttemperaturecoolingfanisstarted,Ifthetemperatureislessthanthelowesttemperaturese
5、ttingonalarmdevice.Temperaturecontrollerdiagram3Thesystemhardwaredesign（1）AT89S52SCMareintroducedAT89S52devicesisalowpowerconsumption,highCMOS8bitmicro-controller,8KprogrammableFlashmemory.UseAtmelcompanyhigh-densitynonvolatilestoragetechnology,andindustrial80C51productinstructionandpinf
6、ullycompatible.TheFlashmemorychipsallowsprogramsinsystemprogramming,alsosuitableforconventionalprogramming.Inasinglechip,haveclever8bitsCPUandprogrammableFlashinthesystem,formanyembeddedcontrolAT89S52applicationsystemprovidesahighlyflexible,efficientsolutions[5].AT89S52hasthefollowingfun
7、ctions:thestandard256bytes,8kbyteFlashRAM,32I/Oport,thewatchdogtimer,2data,threepointer16timer/counter,a6vectorlevel2interruptstructure,full-duplexserial,timelyclockcircuitwithincrystals.Inaddition,0HzAT89S52candroptothestaticlogicoperation,supporttwosoftwarecanchoosepowe
