LogicAnalyzerOptionDS2-8LAandDS2-16AQUICKSTARTGUIDEGWINSTEKPARTNO.82DS-23043M01ISO-9001CERTIFIEDMANUFACTURERThismanualcontainsproprietaryinformation,whichisprotectedbycopyright.Allrightsarereserved.Nopartofthismanualmaybephotocopied,reproducedortranslatedtoanotherlanguagewithoutpriorwrittenconsentofGoodWillCorporation.Theinformationinthismanualwascorrectatthetimeofprinting.However,GoodWillcontinuestoimproveitsproductsandthereforereservestherighttochangethespecifications,equipment,andmaintenanceproceduresatanytimewithoutnotice.GoodWillInstrumentCo.,Ltd.No.7-1,JhongsingRd.,TuchengDist.,NewTaipeiCity236,Taiwan.OVERVIEWTheDS2-8LAandtheDS2-16LALogicAnalyzeroptionsallowtheGDS-2000Atobeupgradedtoapowerfulmixedsignaloscilloscope.Theseoptionsincludebothparallelandserialbus(UART,SPI,I2C)triggeringanddecodingaswellaspowerfullogictriggering.TheLogicAnalyzeroptionsalsotakeadvantageoftheGDS-2000’ssegmentedmemory,search,automaticmeasurements,cursorfunctionalityandtheexceptional2Mrecordlength.MainFeaturesOptionChannelsBandwidthDS2-16LA16200MHzDS2-8LA8200MHzFeatures•500MSa/ssamplerate.•200MHzbandwidth.•Parallelbustriggering.•Serialbustriggering(UART,SPI,12C).•2Mrecordlength(perchannel).LogicAnalyzerSoftwareFeatures•Groupchannels.•Customthresholdlevelsforeachgroupofdigitalchannels.•Analogwaveformfunction.•Labels.PackageContentsandAccessoriesStandardAccessoriesforDS2-8LAItemPartNumber8-ChannelLogicAnalyzerProbeGTL-08LA8-ChannelLogicAnalyzerCardGLA-08StandardAccessoriesforDS2-16LAItemPartNumber16-ChannelLogicAnalyzerProbeGTL-16LA16-ChannelLogicAnalyzerCardGLA-16DisplayOverviewLogicAnalyzerDisplayOverview624513Description1.HorizontalPosition2.TriggerStatus3.HorizontalStatus4.BottomMenu5.DigitalChannel/BusIndicators6.AnalogWaveformIndicatorBusDisplayOverview957846123Description1.BusData2.StartBit3.StopBit4.HorizontalPosition5.TriggerStatus6.HorizontalStatus7.BottomMenu8.DigitalChannelIndicators9.BusIndicatorSettinguptheOscilloscopeThissectiondescribeshowtosetuptheoscilloscopeproperlyincludinginstallingthelogicanalyzercards,usingthelogicanalyzerprobesandhowtoaccessthefunctionsthatareincludedwiththelogicanalyzeroption.InstallingLogicAnalyzerCardsThelogicanalyzermodulesneedtobeinstalledintothemoduleslotsontherearpanel.Donotinsertorremovethemoduleswiththepoweron.1.Slidethetabsholdingthemodulecovertotheunlockpositionandthenremove.2.Installtheoptionalmodule.Besuretomakesurethatthegrovesonthemoduleline-uptotheslotsinthemodulebay.3.Slidethelockingmechanismsbacktothelockedposition.4.TurnontheGDS-2000A.5.TheGDS-2000AisnowreadytooperateUsingtheLogicAnalyzerProbesThissectionwilldescribehowtoconnectthedigitalchannelstothedeviceundertest.Tousethedigitalchannelstheoptionallogicanalyzermodulemustbeinstalled.1.TurntheDUTofftoprotectitfrombeingshortcircuitedwhentheprobesareattached.2.InserttheLogicAnalyzerprobeintotheLogicAnalyzerinput.3.Connectthegroundlead(black)fromthelogicanalyzerprobetothecircuitgroundontheDUT.GND4.Connectanotherprobeleadtoapointofinterestonthecircuit.Makenoteofwhichprobeleadisconnectedtowhichpoint.5.Repeatstep4withanyremainingprobes.GNDSignal1Signal2...AccessingtheLogicAnalyzerMenuTheLogicAnalyzermenucanbeaccessedusingtheOptionkey.1.PresstheOptionkeyandselectLogicAnalyzertoaccesstheLogicAnalyzermenu.2.PresstheD15~D0On/Offsoft-keytoactivatethedigitalchannels.Thepositionofeachchannelcanbesetinthismenu.Channelscanbegroupedinthismenu.3.PressThresholdstosetthethresholds.Thresholdscanbeindividuallysetforevery4digitalchannels.I.e.,D0~D3,D4~D7andsoon.Thereare5pre-setthresholdlevelsinadditiontotheUser-definedthresholdsetting(TTL,5.0VCMOS,3.3VCMOS,2.5VCMOS,ECL,PECL,0V).4.PressAnalogWaveformtodisplayananalogwaveformofthedigitalchannels.AnalogwaveformscanbecreatedfromeithertheD0~D7orD8~D15digitalchannels.Onlyoneanalogwaveformcanbedisplayedatatime.5.PresstheHeightsoft-keytotogglethescaleofthedigitalchannels.UsingtheBusKeyTheBuskeyconfigurestheUART,SPI,I2CorParallelbuses.1.PresstheBBUSkeytoaccesstheBusmenuandtodisplaythebusonthedisplay.OnlythosedigitalchannelsthathavebeenactivatedfromtheLogicAnalyzermenuwillbeaccessiblefromtheBusmenu.PressingtheBuskeyagainwillremovethebusfromthedisplay.UARTBusTheUARTbusmenuisdesignedtodecodeRS-232andothercommonRS-232variantssuchasRS-422andRS-485.1.PresstheBussoft-keyandselectUART.2.PressDefineInputstoselecttheTxandRxinputsaswellasthesignalpolarity.3.PressThresholdstosetthethresholds.Thereare5pre-setthresholdlevelsinadditiontotheUser-definedthresholdsetting(TTL,5.0VCMOS,3.3VCMOS,2.5VCMOS,ECL,PECL,0V).4.PresstheConfiguretosetthebaudrate,databits,parityandpacketsettings.5.PressBusDisplaytoconfigurehowthedataisdisplayed,eitherhexorbinary.6.PressEventTabletovieworsavethedecodeddatainalist.7.PressEditLabelstocreateanon-screenlabelforthebus.I2CBusTheI2Cbusisa2wireinterfacewithaserialdataline(SDA)andserialclockline(SCLK).TheI2Cprotocolsupports7or10bitaddressingandmultiplemasters.1.PresstheBussoft-keyandselectI2C.2.PressDefineInputstoselecttheSCLKandSDAinputs.3.PressThresholdstosetthethresholds.Thereare