Integer Arithmetic IP Cores User Guide 2014.08.18 UG-01063 Subscribe SendFeedback ® YoucanuseAltera integermegafunctionIPcorestoperformmathematicaloperationsinyourdesign. Thesefunctionsoffermoreefficientlogicsynthesisanddeviceimplementationthancodingyourown functions.YoucancustomizetheIPcorestoaccommodateyourdesignrequirements. AlteraintegerarithmeticIPcoresaredividedintothefollowingtwocategories: • Libraryofparameterizedmodules(LPM)IPcores • Altera-specific(ALT)IPcores ThefollowingtableliststheintegerarithmeticIPcores. Table1:ListofIPCores IPCoreName FunctionOverview LPM_ADD_SUB(Adder/Subtractor)IPCore Adder/Subtractor LPM_COMPARE(Comparator)IPCore Comparator LPM_COUNTER(Counter)IPCore Counter LPM_DIVIDE(Divider)IPCore Divider LPM_MULT(Multiplier)IPCore Multiplier ALTECC ECCEncoder/Decoder ALTMULT_ADD(Multiply-Adder)IPCore Multiplier-Adder ALTMEMMULT(Memory-basedConstant Memory-basedConstantCoefficientMultiplier CoefficientMultiplier)IPCore ALTMULT_ACCUM(Multiply-Accumulate)IP Multiplier-Accumulator Core ALTMULT_ADD(Multiply-Adder)IPCore Multiplier-Adder ALTMULT_COMPLEX(ComplexMultiplier)IP ComplexMultiplier Core ALTSQRT(IntegerSquareRoot)IPCore IntegerSquare-Root PARALLEL_ADD(ParallelAdder)IPCore ParallelAdder RelatedInformation • IntroductiontoAlteraIPCores ©2014AlteraCorporation.Allrightsreserved.ALTERA,ARRIA,CYCLONE,ENPIRION,MAX,MEGACORE,NIOS,QUARTUSandSTRATIXwords andlogosaretrademarksofAlteraCorporationandregisteredintheU.S.PatentandTrademarkOfficeandinothercountries.Allother words and logos identified as trademarks or service marks are the property of their respective holders as described at ISO www.altera.com/common/legal.html.Alterawarrantsperformanceofitssemiconductorproductstocurrentspecificationsinaccordancewith 9001:2008 Altera'sstandardwarranty,butreservestherighttomakechangestoanyproductsandservicesatanytimewithoutnotice.Alteraassumes Registered noresponsibilityorliabilityarisingoutoftheapplicationoruseofanyinformation,product,orservicedescribedhereinexceptasexpressly agreedtoinwritingbyAltera.Alteracustomersareadvisedtoobtainthelatestversionofdevicespecificationsbeforerelyingonanypublished informationandbeforeplacingordersforproductsorservices. www.altera.com 101InnovationDrive,SanJose,CA95134 UG-01063 2 DesignExampleFiles 2014.08.18 • AlteraIPReleaseNotes Design Example Files ® AlteraprovidesdesignexamplefilesthataresimulatedintheModelSim -Alterasoftwaretogeneratea waveformdisplayofthedevicebehavior. YoushouldbefamiliarwiththeModelSim-Alterasoftwarebeforeusingthedesignexamples.Togetstarted withtheModelSim-Alterasoftware,refertotheModelSim-AlteraSoftwareSupportpageontheAltera website.Thesupportpageincludeslinkstosuchtopicsasinstallation,usage,andtroubleshooting.Formore detailsaboutthedesignexampleforaspecificIPcore,refertothe“DesignExample”sectionforthatIPcore. DesignexamplesareprovidedonlyforsomeIPcoresinthisuserguide. Installing and Licensing IP Cores TheAlteraIPLibraryprovidesmanyusefulIPcorefunctionsforproductionusewithoutpurchasingan additionallicense. YoucanevaluateanyAlteraIPcoreinsimulationandcompilationintheQuartusII ® softwareusingtheOpenCoreevaluationfeature.SomeAlteraIPcores,suchasMegaCore functions,require thatyoupurchaseaseparatelicenseforproductionuse.YoucanusetheOpenCorePlusfeaturetoevaluate IPthatrequirespurchaseofanadditionallicenseuntilyouaresatisfiedwiththefunctionalityandperformance. Afteryoupurchasealicense,visittheSelfServiceLicensingCentertoobtainalicensenumberforanyAltera product. Figure1:IPCoreInstallationPath acds quartus-ContainstheQuartusIIsoftware ip-ContainstheAlteraIPLibraryandthird-partyIPcores altera-ContainstheAlteraIPLibrarysourcecode -ContainstheIPcoresourcefiles Note: ThedefaultIPinstallationdirectoryonWindowsis:\altera\;onLinuxit is/altera/. RelatedInformation • AlteraLicensingSite • AlteraSoftwareInstallationandLicensingManual Customizing and Generating IP Cores YoucancustomizeIPcorestosupportawidevarietyofapplications.TheQuartusIIIPCatalogandparameter editorallowyoutoquicklyselectandconfigureIPcoreports,features,andoutputfiles. AlteraCorporation IntegerArithmeticIPCoresUserGuide SendFeedback UG-01063 IPCatalogandParameterEditor(replacesMegaWizardPlug-InManager) 3 2014.08.18 IP Catalog and Parameter Editor (replaces MegaWizard Plug-In Manager) TheQuartusIIIPCatalog(Tools>IPCatalog)andparametereditorhelpyoueasilycustomizeandintegrate IPcoresintoyourproject.YoucanusetheIPCatalogandparametereditortoselect,customize,andgenerate filesrepresentingyourcustomIPvariation. ™ Note: TheIPCatalog(Tools>IPCartalog)andparametereditorreplacetheMegaWizard Plug-In ManagerforIPselectionandparameterization,beginninginQuartusIIsoftwareversion14.0.Use theIPCatalogandparametereditortolocateandparamaterizeAlteraIPcores. TheIPCataloglistsIPcoresavailableforyourdesign.Double-clickanyIPcoretolaunchtheparameter editorandgeneratefilesrepresentingyourIPvariation.TheparametereditorpromptsyoutospecifyanIP variationname,optionalports,andoutputfilegenerationoptions.Theparametereditorgeneratesatop- levelQsyssystemfile(.qsys)orQuartusIIIPfile(.qip)representingtheIPcoreinyourproject.Youcan alsoparameterizeanIPvariationwithoutanopenproject. UsethefollowingfeaturestohelpyouquicklylocateandselectanIPcore: • FilterIPCatalogtoShowIPforactivedevicefamilyorShowIPforalldevicefamilies. • SearchtolocateanyfullorpartialIPcorenameinIPCatalog.ClickSearchforPartnerIP,toaccess partnerIPinformationontheAlterawebsite. • Right-clickanIPcorenameinIPCatalogtodisplaydetailsaboutsupporteddevices,opentheIPcore's installationfolder,andorviewlinkstodocumentation. Figure2:QuartusIIIPCatalog SearchandfilterIPforyourtargetdevice Double-clicktocustomize,right-clickforinformation Note: TheIPCatalogisalsoavailableinQsys(View>IPCatalog).TheQsysIPCatalogincludesexclusive systeminterconnect,videoandimageprocessing,andothersystem-levelIPthatarenotavailablein IntegerArithmeticIPCoresUserGuide AlteraCorporation SendFeedback UG-01063 4 UsingtheParameterEditor 2014.08.18 theQuartusIIIPCatalog.FormoreinformationaboutusingtheQsysIPCatalog,refertoCreating aSystemwithQsysintheQuartusIIHandbook. RelatedInformation • CreatingaSystemwithQsys Using the Parameter Editor TheparametereditorhelpsyoutoconfigureIPcoreports,parameters,andoutputfilegenerationoptions. • Usepresetsettingsintheparametereditor(whereprovided)toinstantlyapplypresetparametervalues forspecificapplications. • Viewportandparameterdescriptions,andlinkstodocumentation. • Generatetestbenchsystemsorexampledesigns(whereprovided). Figure3:IPParameterEditors ViewIPport andparameter details Legacyparameter editors SpecifyyourIPvariationname Applypresetparametersfor andtargetdevice specificapplications Specifying IP Core Parameters and Options TheparametereditorGUIallowsyoutoquicklyconfigureyourcustomIPvariation.Usethefollowingsteps tospecifyIPcoreoptionsandparametersintheQuartusIIsoftware. RefertoSpecifyingIPCoreParameters andOptions(LegacyParameterEditors)forconfigurationofIPcoresusingthelegacyparametereditor. 1. IntheIPCatalog(Tools>IPCatalog),locateanddouble-clickthenameoftheIPcoretocustomize. Theparametereditorappears. 2. Specifyatop-levelnameforyourcustomIPvariation.TheparametereditorsavestheIPvariationsettings inafilenamed.qsys.ClickOK. 3. SpecifytheparametersandoptionsforyourIPvariationintheparametereditor,includingoneormore ofthefollowing.RefertoyourIPcoreuserguideforinformationaboutspecificIPcoreparameters. AlteraCorporation IntegerArithmeticIPCoresUserGuide SendFeedback UG-01063 FilesGeneratedforAlteraIPCores 5 2014.08.18 • OptionallyselectpresetparametervaluesifprovidedforyourIPcore.Presetsspecifyinitialparameter valuesforspecificapplications. • SpecifyparametersdefiningtheIPcorefunctionality,portconfigurations,anddevice-specificfeatures. • SpecifyoptionsforprocessingtheIPcorefilesinotherEDAtools. 4. ClickGenerateHDL,theGenerationdialogboxappears. 5. Specifyoutputfilegenerationoptions,andthenclickGenerate.TheIPvariationfilesgenerateaccording toyourspecifications. 6. Togenerateasimulationtestbench,clickGenerate>GenerateTestbenchSystem. 7. TogenerateanHDLinstantiationtemplatethatyoucancopyandpasteintoyourtexteditor,click Generate>HDLExample. 8. ClickFinish.Theparametereditoraddsthetop-level.qsysfiletothecurrentprojectautomatically.If youarepromptedtomanuallyaddthe.qsysfiletotheproject,clickProject>Add/RemoveFilesin Projecttoaddthefile. 9. AftergeneratingandinstantiatingyourIPvariation,makeappropriatepinassignmentstoconnectports. Figure4:IPParameterEditor ViewIPport andparameter details SpecifyyourIPvariationname Applypresetparametersfor andtargetdevice specificapplications Files Generated for Altera IP Cores TheQuartusIIsoftwareversion14.0a10andlatergeneratesthefollowingIPcoreoutputfilestructurewhen targetingArria10devices. IntegerArithmeticIPCoresUserGuide AlteraCorporation SendFeedback UG-01063 6 FilesGeneratedforAlteraIPCores 2014.08.18 Figure5:IPCoreGeneratedFiles .qsys-SystemorIPintegrationfile .sopcinfo-Softwaretool-chainintegrationfile n _tb IPvariationfiles IPvariationfiles testbenchsystem _tb.qsys .cmp-VHDLcomponentdeclarationfile Testbenchsystemfile _bb.v-VerilogHDLblackboxEDAsynthesisfile _inst.vor.vhd-Sampleinstantiationtemplate _tb .ppf-XMLI/Opininformationfile testbenchfiles .qip-ListsIPsynthesisfiles _tb.csv .sip-Listsfilesforsimulation _tb.spd _generation.rpt-IPgenerationreport .debuginfo-Containspost-generationinformation sim .html-Connectionandmemorymapdata simulationfiles .bsf-Blocksymbolschematic .spd-Combinesindividualsimulationscripts sim synth n Subcorelibraries Simulationfiles IPsynthesisfiles .vor.vhd .vor.vhd Top-levelsimulationfile Top-levelIPsynthesisfile synth sim Subcore Subcore Simulatorscripts synthesisfiles Simulationfiles Table2:IPCoreGeneratedFiles(version14.0a10) FileName Description .qsys TheQsyssystemortop-levelIPvariationfile.isthenamethat yougiveyourIPvariation. .sopcinfo DescribestheconnectionsandIPcomponentparameterizationsinyour Qsyssystem.Youcanparseitscontentstogetrequirementswhenyou developsoftwaredriversforIPcomponents. DownstreamtoolssuchastheNiosIItoolchainusethisfile.The .sopcinfofileandthesystem.hfilegeneratedfortheNiosIItoolchain includeaddressmapinformationforeachslaverelativetoeachmaster thataccessestheslave.Differentmastersmayhaveadifferentaddress maptoaccessaparticularslavecomponent. AlteraCorporation IntegerArithmeticIPCoresUserGuide SendFeedback UG-01063 FilesGeneratedforAlteraIPCores 7 2014.08.18 FileName Description .cmp TheVHDLComponentDeclaration(.cmp)fileisatextfilethatcontains localgenericandportdefinitionsthatyoucanuseinVHDLdesign files. .html Areportthatcontainsconnectioninformation,amemorymapshowing theaddressofeachslavewithrespecttoeachmastertowhichitis connected,andparameterassignments. _generation.rpt IPorQsysgenerationlogfile.AsummaryofthemessagesduringIP generation. .debuginfo Containspost-generationinformation.UsedtopassSystemConsole andBusAnalyzerToolkitinformationabouttheQsysinterconnect. TheBusAnalysisToolkitusesthisfiletoidentifydebugcomponents intheQsysinterconnect. .qip ContainsalltherequiredinformationabouttheIPcomponentto integrateandcompiletheIPcomponentintheQuartusIIsoftware. .csv ContainsinformationabouttheupgradestatusoftheIPcomponent. .bsf ABlockSymbolFile(.bsf)representationoftheIPvariationforusein QuartusIIBlockDiagramFiles(.bdf). .spd Requiredinputfileforip-make-simscripttogeneratesimulation scriptsforsupportedsimulators.The.spdfilecontainsalistoffiles generatedforsimulation,alongwithinformationaboutmemoriesthat youcaninitialize. .ppf ThePinPlannerFile(.ppf)storestheportandnodeassignmentsfor IPcomponentscreatedforusewiththePinPlanner. _bb.v YoucanusetheVerilogblack-box(_bb.v)fileasanemptymodule declarationforuseasablackbox. .sip ContainsinformationrequiredforNativeLinksimulationofIP components.Youmustaddthe.sipfiletoyourQuartusIIproject. _inst.vor_inst.vhd HDLexampleinstantiationtemplate.Youcancopyandpastethe contentsofthisfileintoyourHDLfiletoinstantiatetheIPvariation. .regmap IfIPcontainsregisterinformation,.regmapfilegenerates.The.regmap filedescribestheregistermapinformationofmasterandslaveinterfaces. Thisfilecomplementsthe.sopcinfofilebyprovidingmoredetailed registerinformationaboutthesystem.Thisenablesregisterdisplay viewsandusercustomizablestatisticsintheSystemConsole. .svd AllowsHPSSystemDebugtoolstoviewtheregistermapsofperipherals connectedtoHPSwithinaQsyssystem. Duringsynthesis,the.svdfilesforslaveinterfacesvisibletoSystem Consolemastersarestoredinthe.soffileinthedebugsection.System Consolereadsthissection,whichQsyscanqueryforregistermap information.Forsystemslaves,Qsyscanaccesstheregistersbyname. IntegerArithmeticIPCoresUserGuide AlteraCorporation SendFeedback UG-01063 8 SpecifyingIPCoreParametersandOptions(LegacyParameterEditors) 2014.08.18 FileName Description .v HDLfilesthatinstantiateeachsubmoduleorchildIPcoreforsynthesis orsimulation. or .vhd mentor/ ContainsaModelSim®scriptmsim_setup.tcltosetupandruna simulation. aldec/ ContainsaRiviera-PROscriptrivierapro_setup.tcltosetupandruna simulation. /synopsys/vcs Containsashellscriptvcs_setup.shtosetupandrunaVCS®simulation. /synopsys/vcsmx Containsashellscriptvcsmx_setup.shandsynopsys_sim.setupfileto setupandrunaVCSMX®simulation. /cadence Containsashellscriptncsim_setup.shandothersetupfilestosetupand runanNCSIMsimulation. /submodules ContainsHDLfilesfortheIPcoresubmodule. / ForeachgeneratedchildIPcoredirectory,Qsysgenerates/synthand /simsub-directories. Specifying IP Core Parameters and Options (Legacy Parameter Editors) TheQuartusIIsoftwareversion14.0andprevioususesalegacyversionoftheparametereditorforIPcore configurationandgeneration.UsethefollowingstepstoconfigureandgenerateanIPvariationusinga legacyparametereditor. AlteraCorporation IntegerArithmeticIPCoresUserGuide SendFeedback UG-01063 FilesGeneratedforAlteraIPCores(version14.0andprevious) 9 2014.08.18 Note: Thelegacyparametereditorgeneratesadifferentoutputfilestructurethanthelatestparameter editor.RefertoSpecifyingIPCoreParametersandOptionsforconfigurationofIPcoresintheQuartus IIsoftwareversion14.0a10andlater. Figure6:LegacyParameterEditors Legacyparameter editors 1. IntheIPCatalog(Tools>IPCatalog),locateanddouble-clickthenameoftheIPcoretocustomize. Theparametereditorappears. 2. Specifyatop-levelnameandoutputHDLfiletypeforyourIPvariation.ThisnameidentifiestheIPcore variationfilesinyourproject.ClickOK. 3. SpecifytheparametersandoptionsforyourIPvariationintheparametereditor.RefertoyourIPcore userguideforinformationaboutspecificIPcoreparameters. 4. ClickFinishorGenerate(dependingontheparametereditorversion).Theparametereditorgenerates thefilesforyourIPvariationaccordingtoyourspecifications.ClickExitifpromptedwhengeneration iscomplete.Theparametereditoraddsthetop-level.qipfiletothecurrentprojectautomatically. Note: TomanuallyaddanIPvariationgeneratedwithlegacyparametereditortoaproject,clickProject> Add/RemoveFilesinProjectandaddtheIPvariation.qipfile. Files Generated for Altera IP Cores (version 14.0 and previous) TheQuartusIIversion14.0andearliersoftwaregeneratesthefollowingoutputforyourIPcore. IntegerArithmeticIPCoresUserGuide AlteraCorporation SendFeedback UG-01063 10 UpgradingIPCores 2014.08.18 Figure7:IPCoreGeneratedFiles .qip-QuartusIIIPintegrationfile .vor.vhd-Top-levelIPsynthesisfile _bb.v-VerilogHDLblackboxEDAsynthesisfile .bsf-Blocksymbolschematicfile _syn.vor.vhd-Timingandresourceestimationnetlist1 .voor.vho-IPfunctionalsimulationmodel2 _inst.vor.vhd-Sampleinstantiationtemplate .cmp-VHDLcomponentdeclarationfile greybox_tmp3 Notes: 1.IfsupportedandenabledforyourIPvariation 2.Iffunctionalsimulationmodelsaregenerated 3.Ignorethisdirectory Upgrading IP Cores IPcorevariantsgeneratedwithapreviousversionoftheQuartusIIsoftwaremayrequireupgradingbefore useinthecurrentversionoftheQuartusIIsoftware.ClickProject>UpgradeIPComponentstoidentify andupgradeIPcorevariants. TheUpgradeIPComponentsdialogboxprovidesinstructionswhenIPupgradeisrequired,optional,or unsupportedforspecificIPcoresinyourdesign.YoumustupgradeIPcoresthatrequireitbeforeyoucan compiletheIPvariationinthecurrentversionoftheQuartusIIsoftware.ManyAlteraIPcoressupport automaticupgrade. Theupgradeprocessrenamesandpreservestheexistingvariationfile(.v,.sv,or.vhd)as_ BAK.v,.sv,.vhdintheprojectdirectory. Table3:IPCoreUpgradeStatus IPCoreStatus CorrectiveAction RequiredUpgradeIP YoumustupgradetheIPvariationbeforecompilinginthecurrentversionof Components theQuartusIIsoftware. OptionalUpgradeIP UpgradeisoptionalforthisIPvariationinthecurrentversionoftheQuartusII Components software.YoucanupgradethisIPvariationtotakeadvantageofthelatest developmentofthisIPcore.AlternativelyyoucanretainpreviousIPcore characteristicsbydecliningtoupgrade. UpgradeUnsupported UpgradeoftheIPvariationisnotsupportedinthecurrentversionoftheQuartus IIsoftwareduetoIPcoreendoflifeorincompatabilitywiththecurrentversion oftheQuartusIIsoftware.YouarepromptedtoreplacetheobsoleteIPcorewith acurrentequivalentIPcorefromtheIPCatalog. AlteraCorporation IntegerArithmeticIPCoresUserGuide SendFeedback

Integer Arithmetic IP Cores User Guide

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