STC89C52处理芯片外文翻译毕业论文外文文献翻译及原文

毕业设计（论文）外文文献翻译文献、资料中文题目：STC89C52处理芯片文献、资料英文题目：STC89C52processingchip文献、资料来源：文献、资料发表（出版）日期：院（部）：专业：班级：姓名：学号：指导教师：翻译日期：2017.02.14外文资料翻译STC89C52processingchipPrimefeatures:WithMCS-51SCMproductcompatibility,8KbytesinthesystemprogrammableFlashmemory,1000timesCaXiecycle,thestaticoperation:0Hz~33Hz,tripleencryptionprogrammemory,32programmedI/Oport,three16timer/counter,theeightuninterrupteddual-careerUARTserialpassage,lowpowerconsumption,leisureandfallafterfallelectricpowermodecanbeawakenedandcontinuouswatchdogtimeranddouble-numberpointer,poweridentifier.Efficacy:characteristicsSTC89C52isonekindoflowpowerconsumption,highCMOS8bitmicro-controller,8KinsystemprogrammableFlashmemory.Usehigh-densitynonvolatilestoragetechnology,andindustrial80C51productinstructionandpinfullycompatible.TheFlashmemorychipsallowsprogramsinthesystem,alsosuitableforprogrammableconventionalprogramming.Inasinglechip,haveclever8bitsCPUandonlinesystemprogrammableFlash,increaseSTC89C52formanyembeddedcontrolsystemtoprovidehighvigorousapplicationandusefulsolutions.STC89C52hasfollowingstandardefficacy:8kbyteFlashRAM,256bytes,32I/Oport,thewatchdogtimer,two,threepointernumerical16timer/counter,a6vectorlevel2continuousstructure,theserialport,workingwithincrystalsandhorologicalcircuit.Inaddition,0HzAT89S52candroptothestaticlogicoperation,supporttwosoftwarecanchoosepowersavingmode.Idlemode,theCPUtostopworking,andallowstheRAM,timer/counters,serial,continuoustowork.Protectionasanapattern,RAMcontentissurvival,vibratorsfrozen,SCM,untilalltheworkunderacontinuousorhardwarereset.8-bitmicrocontrollers8KbytesinthesystemprogrammableFlashAT89S52devices.Mouth:P0P0mouthisatwo-wayopendrainI/O.Asexport,eachcandriveeightTTLlogiclevel.ForP0porttowrite1,footasthehighimpedanceinput.Whenaccesstoexternalprogramsandnumericalmemory,alsoknownaslowP0moutheightaddress/numericalreuse.Inthismode,withtheinternalP0resistor.Intheflashwhenprogramming,alsousedforP0mouth;absorbinstructionbytesIntheprocess,theoutputcommandbytecalibration.Whentheprogramrequiresexternal,calibrationonpull-upresistors.Mouth:P1mouthP1isaninternalresistanceoftheeighttwo-wayI/Obufferscandrive,P1outputfourTTLlogiclevel.Towrite1P1port,theinternalresistancetoport,canpushasinputmouth.Whenusedasinput,externalandinternalfootbecauseoflowresistance,willoutputcurrent(IIL).Inaddition,P1.0andP1.2respectivelytimer/counter2externalcountinginput(P1.0/T2)andwhenthetriggereditor/counterP1.1input(2),specificT2EX/areshownbelow.Inprogrammingandcalibration,flashP1mouthabsorbeightaddresslowbyte.Efficacy:thefoot.P1.0T2(timer/counterT2externalcountinginput),clockoutputP1.1T2EX(timer/counterT2capture/overloadedtriggeredsignalsanddirectioncontrol),P1.5MOSI(with)onlinesystemprogramming,P1.6MISO(with)onlinesystemprogramming,P1.7SCK(with)onlinesystemprogramming,Mouth:P2P2mouthisaninternalresistanceoftheeighttwo-wayI/ObuffersandP2outputcandrivefourTTLlogiclevel.Towrite1P2port,theinternalresistancetoport,canpushasinputmouth.Whenusedasinput,externalandinternalfootbecauseoflowresistance,willoutputcurrent(IIL).Intheexternalprogrammemoryaccessoruse16bitexternalnumericalmemoryaddressread(forexampleMOVXexecutionDPTR@),P2mouthsendouthigh8address.Inthisapplication,P2mouthontheinternalusestrongpullsend1.Inusing8-bitaddress(suchasMOVX@RI)accesstoexternalnumericalmemory,P2mouthoutputP2latchescontent.Inprogrammingandcalibration,flashP2mouthalsoabsorbhigheightaddressbyteandsomecontrolsignal.P3:aP3mouthontheinsideoftheeighttwo-waypull-upresistorsI/Obufferscandrive,p2outputfourTTLlogiclevel.ForP3porttowrite1,theinternalresistancetoport,canpushasinputmouth.Whenusedasinput,externalandinternalfootbecauseoflowresistance,willoutputcurrent(IIL).P3mouthAT89S52specialfunctions(alsoasthesecondefficacy),areshownbelow.Inprogrammingandcalibration,flashalsoabsorbsomeP3mouthcontrolsignals.Portpinsecondefficacy:P3.0RXD(serialinput)P3.1TXD(serialexport),P3.2INTOthediscontinuous(0)P3.3INT1(1)thediscontinuousP3.4(time/counterTO0)P3.5T1(1)time/counter,P3.6WR(externalnumericalmemorywritefor)P3.7RD(externalnumericalmemoryreadfor)Inaddition,alsoabsorbsomeusedinmp3mouthFLASHmemoryprogrammingandcalibrationofprogramcontrolsignals.RST,resetinput:whenthevibrator,RSTpinappearedtwomachinecycleabovehighlevelwillberesetthechip.ALE/PROG-whenaccesstoexternalprogrammemoryornumericalmemory,ALE(addresslatchallow)outputpulsesareusedtolatchaddressofloweightbytes.Normally,ALEwithclockfrequenciesare1/6outputpulsesignalwithfixed,soitcanbeusedforthepurposeoroutputclocks.TimingThosewhowantanattentionis:wheneveraccesstoexternalnumericalmemorywillskipaALEpulse.ForFLASHmemoryprogramming,thispinisusedforinputprogrammingpulse(.)PROGIfnecessary,butthroughspecialeffecttothezoneregisters(SFR)8EHD0position,theunitcanbebannedALEoperations.Thispositionisabit,MOVXandMOVCinstructionswillbeactivated.ALE--Inaddition,thefootwillbeweak,executeexternalprogramMCUhignshouldbebanned,avoid.SetALEPSEN-programstoragePSENallowed(outputisoutsideoftheprogrammemoryread,choosecommunicationbyexternalprogrammemorywhentakingAT89C52