ALTERA-FIR滤波器IP核用户手册

101InnovationDriveSanJose,CA95134:13.1November2013FeedbackSubscribe©2013AlteraCorporation.Allrightsreserved.ALTERA,ARRIA,CYCLONE,HARDCOPY,MAX,MEGACORE,NIOS,QUARTUSandSTRATIXwordsandlogosaretrademarksofAlteraCorporationandregisteredintheU.S.PatentandTrademarkOfficeandinothercountries.Allotherwordsandlogosidentifiedastrademarksorservicemarksarethepropertyoftheirrespectiveholdersasdescribedat:2008RegisteredNovember2013AlteraCorporationFIRCompilerIIMegaCoreFunctionUserGuideContentsChapter1.AboutThisMegaCoreFunctionFeatures................................................................................1–2DeviceFamilySupport...................................................................1–2MegaCoreVerification...................................................................1–3PerformanceandResourceUtilization......................................................1–4ReleaseInformation....................................................................1–12Chapter2.GettingStartedInstallationandLicensing................................................................2–1MegaWizardPlug-InManagerDesignFlow................................................2–2SpecifyingParameters.................................................................2–2SimulatingtheDesign.................................................................2–4SimulatingintheModelSim-AlteraSoftware...........................................2–4SimulatinginMATLAB.............................................................2–4SimulatinginThird-PartySimulationToolsUsingNativeLink............................2–4CompilingtheDesignandProgramingaDevice..........................................2–5Chapter3.ParameterSettingsFilterSpecificationPage..................................................................3–1LoadingCoefficientsfromaFile........................................................3–2InputandOutputOptionsPage...........................................................3–3SignedFractionalBinary...............................................................3–4MSBandLSBTruncation,Saturation,andRounding.......................................3–4ImplementationOptionsPage.............................................................3–5MemoryandMultiplierTrade-Offs......................................................3–6Chapter4.FunctionalDescriptionArchitecture............................................................................4–1Interfaces...............................................................................4–1Avalon-STSinkandSourceInterfaces...................................................4–2Avalon-STSinkInterface............................................................4–2Avalon-STSourceInterface.............................................................4–5ClockandResetInterfaces.............................................................4–6Time-DivisionMultiplexing..............................................................4–7MultichannelOperation..................................................................4–8VectorizedInputs.....................................................................4–8Channelization.......................................................................4–9ChannelInput/OutputFormat........................................................4–12Example—EightChannelsonThreeWires............................................4–12Example—FourChannelsonFourWires.............................................4–12Example—15Channelswith15ValidCyclesand17InvalidCycles.......................4–13Example—22Channelswith11ValidCyclesand9InvalidCycles........................4–15Example—SuperSampleRate.......................................................4–17MultipleCoefficientBanks...............................................................4–18CoefficientReloading...................................................................4–19Signals................................................................................4–22AdditionalInformationivContentsFIRCompilerIIMegaCoreFunctionNovember2013AlteraCorporationUserGuideDocumentRevisionHistory...........................................................Info–1HowtoContactAltera.................................................