自动化专业 单片机 外文文献 英文文献 外文翻译中英对照.docx

自动化专业 单片机 外文文献 英文文献 外文翻译中英对照.docx

《自动化专业 单片机 外文文献 英文文献 外文翻译中英对照.docx》由会员分享，可在线阅读，更多相关《自动化专业 单片机 外文文献 英文文献 外文翻译中英对照.docx（11页珍藏版）》请在冰点文库上搜索。

自动化专业单片机外文文献英文文献外文翻译中英对照

Dormancyoftheone-chipcomputer---restoretothethroneintheoperationwayandimproveanti-interferenceability

Abstract:

Introduceakindofdormancyofusing-restoretothethroneintheoperationwayandimprovetheanti-interferenceabilitymethodoftheone-chipcomputer;Analyseitsscopeofapplication,provideandusethecircuitconcretly;Combinetheinstance,analysethecharacteristicofthehardwareandsoftwaredesignunderthesekindofoperationway.

Keyword:

One-chipcomputerRestoretothethrone/dormancyanti-interferenceForeword

Introduction:

Withthedevelopmentatfullspeedofthemicroelectrictechnique,theperformanceoftheone-chipcomputerimprovesrapidly,demonstratetheoutstandingadvantageintheoperation,logiccontrol,intelligentrespect,replacedandenlargedthemeasuringthatthecircuitmadeup,controlcircuitbydigitallogicalcircuit,operationoriginallytoagreatextent,useveryextensivly.Butbecauseithavesystemhalted,procedureruncriticaldefectofflyingetc,makeitlimitinalotofimportantapplicationofoccasion.Alotoftechnologyinanti-interference,forexamplesetupthesoftwaretrap,addthehardwaretoguardthegateindog'scircuitetc,canmakethisproblemhavebettersettlement,butstilltheexistingproblem:

①Guardthegatedogatthemovement,meanandappearmistakealreadyandrunsometime,thisisnotallowedinsomeoccasions;②Procedureappearcirculationmistakeverymuchsometimes,butjustguardthegatedogcontrollinkincludeandenter,adoptandguardthegateastosuchamistakedogunabletodiscern;③Inmeasureandcontrolcycleamongthelongsystem,one-chipcomputerspendwaitfortheperipheralhardwarealargeamountoftime,willbeinterferedtoowhencarryoutandwaitfortheorder.Tothesesituations,wehavetriedthemethodrestoredtothethronevoluntarilyinpractice,alternatepulseofadoptingetcorrestoretothethronewakingaccordingtoexternaltermstotheone-chipcomputerup.Afterbeingrestoredtothethroneeachtime,theone-chipcomputercarriesoutthecorrespondingprocedure,entersdormancyintimeafterfinishingcarryingoutthetask,waittoberestoredtothethronenextly.Havesolvedabove-mentionedproblemswellwiththismethod,andhasgotbetterresultintheagriculturalvoltagetransformercomprehensiveprotectorexperiment.Nowtake51serialone-chipcomputersasanexampleandprobeintotheconcreteprincipleandimplementationmethod,restoredtothethronethesignalasthehighlevel.

1.Aprincipleandimplementationmethod

1.1Restoredtothethronethelawregularlyunconditionally

Usetimer,special-purposeclockchiporotherpulsegenerator,producesignalofrestoringtothethroneregularlyaccordingtointervalthatsetfor.Thiskindofmethodisespeciallysuitableforthemeasuringinstrument.Innotrunningactually,sampletheanalogquantityofintroductionwithA/Dconverteroften,thenstoreshowing.Thiscourseisveryfast,butsteadyforreading,thedatapersecondareonlyupgraded1-2times,alargeamountoftimeofCPUisusedforwaiting.LetCPUcarryoutandenterdormancydirectlyafterthetask,restoretothethroneandwakebyexternalworldupItcarryoutthenextoperation,thisistorestoretothethronethelawregularlyInthiswaycanmakeanti-interferenceabilitystrengthengreatly,have2pointsmainly:

①.Atthedormancy,procedurestoprun,canappearPCindicatordisorderlyprocedurethatcausesrunandfly.Worktimeindormancyproportion1:

9,thatistosay1shave0.1timeofsusedformeasuring,sendingoffshowing,thereistimedormancyof0.9s,theprobabilitythattheprocedureisinterferedis1/10whilerunningatfullspeed,wholeanti-interferenceabilityraiseby10times.②Becauseevery1sisrestoredtothethroneonceunconditionally,oncepresentthesystemhaltedduringajob,cancertainlyresumewhenrestoredtothethronenexttime.Astoonlyinstrumentthatshow,somereadingmistakethat1sappearaccidentallythereisnomemorytothenextmeasurement,becouldbear,belongto“pass”mistake.Thiskindisrestoredtothethronetheadvantageofdog'scircuitforguardingthegateregularly,first,changewaitingtimeintoadormancystate,timetoshortenandmaybeinterfered;Second,avoidedhappenningthatthedogcontrolsthedeathcirculationofthelinktoincludeguardingthegate.

1.2Theexternalconditionisrestoredtothethronethelaw

Somearrivalthatexportormeasureiscontrolledbytheoutside.Forinstance,thehotform.ofheating,rotatethepulseproducedandcalculateheatbyhotwaterwaterwheels,thereisnohotwatertoflow,thereisnoheattoexport,CPUonlyneedinfactkeepnumbervalue,donotneedtocount.Canimaginehotwaterwaterwheelsrotatewhenparkingwarm,CPUidleinwillitbewillitbeoneseasonautumnspringandsummer,Ifletdormancyits,measurehavewaterwheelspulseconstantly,anti-interferenceabilitycanstrengthengreatly.So,solongaslinkuptherestoringtothethroneofthepulseofthewaterwheelsandCPU,thewaterwheelsrotateacircleeachtime,CPUisrestoredtothethroneonce,hotform.canworknormally,thisisrestoredtothethronethelawbytheexternalcondition.Similarapplicationhavehalfelectronkilowatt-hourmeter,goononecountjustwhenthemachinerydegreewheelsandtransferstoacircle,usersdonotneedtheelectricity,CPUhasbeenknowingthedormancyallthetime.Therestoringtothethroneintheintervalnottoberegular,butconfirmedaccordingtotheexternalconditionofthismethod.Insomeoccasions,thetimeofthedormancywillbeverylong,veryeffectivetoimprovinganti-interferenceability.

2.Thehardwarerealizesthemainpoint

2.1Restoredtothethroneregularlyunconditionally

Generallyhave2kindsofmethods.①Usetheitimerorthespecial-purposeclockchiptoberestoredtothethrone.Fig1,inordertousethetimingcircuitthat555circuitmakesup;CanusetheclockchipsofX1126,etctoo,wakeCPUupwiththealarmsignalaftersettingupwarningtime.Thiskindofmethodissuitablewhenthelongintervalismade,canalsofollowtheresultofthisoperation，determinetowaketimeupinalarmnexttimetemporarily,veryflexibleandconvenient.②Thesignalofusingthesystemtobeinherentisasreducingthepulseregularly.Use50Hzworkerpowermakereducingafterhavingafaceliftfrequently,alreadyomitthetimer,gatheredthecorrespondingsignalforthephaseplacewhichmeasuredtheelectriccurrentsignalatthesametime,asFig.2shows.

2.2Externalconditionsarerestoredtothethrone

Sendexternalconditionpulsetoandisrestoredtothethronetheendsonafterhavingafacelift.Tothatabove-mentionedwaterwheelsortheammeterspendapulseproduced,canuseSchmitt'striggertohaveafacelift;Forwritingdowntheinstrumentofthebiggestorminimum，canusethewindowcomparator.Inordertorealizetheelectronizationthatisregulated，canusetheelectronicelectricpotentialdevice,establishupperandlowerlimitswiththeorderoftheone-chipcomputer.

2.3Reducecycleandrestoredtothethronethehighelectricityatordinarytimes

InFig3,restoredtothethronethesignalduringhighlevelTr,theone-chipcomputerisinthestateofrestoringtothethrone,theproceduredoesnotrun,anti-interferenceabilityisthestrongest;Afterthehighlevel,theone-chipcomputerbeginstoholdtheconductprocedure.Thatistosay,arerestoredtothethroneandsuitableforthetimethattheprocedurecarriesoutduringthelowlevelTdofthesignal,thistimeshouldbegreaterthantheexecutioncycleoftheprocedureeachtime.Itisrestoretothethronecycleandrestoretothethronehighlevelofsignaltakeemptythanverymuchimportanttochooserationally.Astosimpletoshowinstrument,restoretothethronecycledeterminedatabreakcycle,lowelectricityisitmeasure,hancloveralltimeshowntogreaterthantowantatordinarytimes;Otherwise,cantpresentforeverthemistakeoftheintactexecutiveprogram.MonolithicintegratedcircuitinTsandTrperiodallcaneffectivelytheantijamming,butisbesttheunnecessarytimearrangementinTr.Whentheprogramtimeislong,whenasfaraspossibletherequestreducesTr,mayjointhedifferentiatingcircuit,likechart1centerC30,R26,D9.

2.4Treatmentofoutputendsons

（1）Restoretothethronestraightpulse

DuringallI/Omouthofone-chipcomputerturnintothehighlevelwhenrestoringtothethrone.Thatistosayoutputforlowpinnormally,willaccordingtorestoretothethronecycleappearthewidthforthestraightpulseofTr.Thisstraightpulsewillinfluencethenormaloutput,2methodsaredealtwith:

① Connectinparallelelectriccapacitysuppress,capacityconfirmaccordingtoTrtimethatrestoretothethroneonthesoninend.ReducingTrcanbereducedandconnectedtheelectriccapacityinparallel.②Itisinvalidtodesigntheperipheralcircuitintothehighlevel.

（2）Fault-tolerant

Choosethecapacitythattheoutputendconnectstheelectriccapacityinparallelfault-tolerantlyandproperly,canrealizefault-tolerantcontrol.Reducedcycleinacertain,becauseinterferedexportingthewronglevel.Becausethekeepingfunctionofelectriccapacity,can'tstillenableexportingthechangetothevalidlevelwithinthiscycle;Nextcycle,themistakeiscorrected.So,solongasdoesnotmakemistakesin2cyclesinsuccession,itisveryfault-toleranttoexportCertainly,thiskindofmethodwillmakethenormaloutputchangelagbehindforonecycle,justreallyreflecttheoutputendson.

2.5hastheelectricitytomeasureandrestoret