DDR2一致性测试软件手顺

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1、ProjectMakerCheckApprovalDDR2Compliancetestmethod1.PurposeTodescribeDDR2Compliancetestmethod2.TestApparatus①TektronixCompanymethodTestApparatusTypeRemarkOscilloscopeMSO73304DX(Tektronix)DifferentialprobeP7500SeriesTipsMicro-coaxTipIt’susedtofilterwaveformTestsoftwareDDRA②AgilentComp

2、anymethodTestApparatusTypeRemarkOscilloscopeDSOS404A(Agilent)Differentialprobe1132ATipsE2677AIt’susedtofilterwaveformTestsoftwareN5413B3.TestMethod①TektronixCompanymethod1)PoweronOscilloscope2)Solderthetipsonthetestpointsandconnectthetipsintoprobes3)OpentheDDRAsoftware4)SelecttheDDR

3、generation,datarateandthevoltagelevels(ifrequired).TherearedifferentspeedbinsforeachstandarddatarateforspecificDDRgenerations.1)Selectthetestitems(Read/Write/Clock/Address)2)Selectchannelsforthetestpoints(e.g.DQSforChannel1andDQforChannel2)3)SetupBurstDetectionLevels.IfyourDDR2desig

4、nconformstothedesignstandard,defaultsetupisenough.4)SetupThresholdsandScaling1)Ifyouhavefinishedtheabovesetup,RuntheDDR2Compliancetest.ThetrueEyepatternisshownasfollows①AgilentCompanymethod1)PoweronOscilloscope2)Solderthetipsonthetestpointsandconnectthetipsintoprobes3)TostarttheDDR2

5、(+LP)ComplianceTestApplication:FromtheInfiniiumoscilloscope’smainmenu,chooseAnalyze>AutomatedTestApps>DDR2(+LP)Test.4)CreateanewtestprojectChooseFile>NewProject...fromthemenu.5)SetUptheTestEnvironmentSelecttheTestModeandDatarate1)SelectthetestyouwanttorunIftestshavealreadybeenrun,yo

6、uwillseetheirstatusintheSelectTeststab.Themarkshavethefollowingmeanings:2)SelecteitherComplianceModeorDebugMode.lComplianceMode—letsyouchoosetheconfigurationoptionsnecessarytomeetthecompliancestandardtests.lDebugMode—letsyoumodifytheconfigurationoptions.Thiscanbeuseful,forexample,wh

7、eninvestigatingatestfailure.1)ConnectingtheOscilloscopetotheDUTFollowthedisplayedinstructionsforconnectingtheoscilloscopetothedeviceundertest.ItwillshowyouweneedconnectwhichtestpointsWhenconnectionstothedeviceundertesthavebeenmade,checktheIhavecompletedtheseinstructionsbox.1)Startth

8、etestrun.AbovetheTa