單片機(jī)自動(dòng)檢測(cè)系統(tǒng)的設(shè)計(jì)_王小利(the automatic detection system design _ wang xiaoli mcu)

單片機(jī)自動(dòng)檢測(cè)系統(tǒng)的設(shè)計(jì)_王小利(the automatic detection system design _ wang xiaoli mcu)

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單片機(jī)自動(dòng)檢測(cè)系統(tǒng)的設(shè)計(jì)_王小利(the automatic detection system design _ wang xiaoli mcu)_第1頁(yè)
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1、單片機(jī)自動(dòng)檢測(cè)系統(tǒng)的設(shè)計(jì)_王小利(Theautomaticdetectionsystemdesign_WangXiaoliMCU)No.The29volume4LaboratoryresearchandexplorationVol.Twenty-nineNo.Four2010AprilRESEARCHANDEXPLORATIONINLABORATORYApr.TwothousandandtenDesignofautomaticdetectionsystembasedonsinglechipmicrocomputerWangXiaoli,DongXiaozh

2、ou(Schoolofinformationengineering,ShandongUniversityatWeihai,Shandong,Weihai)264209)Abstract:acomplexprogrammablelogicdevice(CPLD)isdesigned(CPLD)tocontrolthecoreofthedetectionsystem,toachieveautomaticdetectionofdamagetothemicrocontrollerTest.ThesystemconsistsmainlyofCPLDcontrolmo

3、dule,JTAGparallelportdownloadmodule,serialtransceivermoduleandSCMtypeconversionboardcomposition.CPLDFirst,thedetectedmicrocontrollerisautomaticallydetectedAftertheISPdownloadcompletesthesignal,itstartstheserialcommunicationwiththemicrocontroller,andthenanalyzesandprocessesthewrite

4、andreadThedataofsinglechipisconsistent,andtheserialcommunicationisworkedout.ContinuetodetectSCMGPIO,andsynchronousdisplayMCUmainWhetherthefunctionisnormal,whichcandirectlyjudgethequalityofsinglechipmicrocomputer.ComparedwiththetraditionalSCMdetectiontechnology,thesystemtestautomat

5、ionHighdegree,highdetectionrateandfasttestingspeed.KeywordSinglechipmicrocomputerAutomatictestComplexprogrammablelogicdevice,CPLDCLCnumber:TMNinehundredandthirtypointonetwo+1documentidentificationcodeAarticlenumber10067167:(2010)04005203DesignOfMCUAutomaticTestSystemWANGXiao-li,DO

6、NGXiao-zhou(SchoolOfInformationEngineering,ShandongUniversityAtWeihai,Weihai264209,China)Abstract:TheControllableCoreOfThisSystem,whichCanAutomaticallyDetectTheProblemsOfMCU,isTheComplexProgrammableLogicDevices(CPLD)ThisSystemIsComposedMainlyOfTheControlModuleOfCPLD,theModuleOfPar

7、allelDownload,serialTransceiver.First,theAutomaticSystemDetectsTheSignalWhenTheDownloadOfMCUIsCompleted,CPLDCommunicatesWithMCUInAnAsynchronousReceiver.AfterThisCPLDAnalysesTheDataWhichWasWrittenAndThenReadFromMCU,soComesToTheConclusionOfTheWorkingConditionsOfSerialCommunication.F

8、inally,theGPIOOfMCUAreTested.AllO

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