quartusii_magefunction說(shuō)明

1、MegafunctionsLPMMegafunctionsLPMTheTheQuartusQuartusIIIIsoftwaresoftwareoffersoffersavarietyvarietyofofmegafunctionsmegafunctionsincludingincludingthethelibrarylibraryofofparameterizedparameterizedmodulesmodules(LPM)(LPM

2、)functionsfunctionsotherotherparameterizedparameterizedfunctions.functions.MegafunctionsMegafunctionsarearelistedlistedbelowbelowbybyfunction.function.FunctionsFunctionsindicatedindicatedbybyananasteriskasterisk()()arear

3、eprovidedprovidedffbackwardbackwardcompatibilitycompatibilityonly.only.ArithmeticArithmeticMegaWizardsMegaWizardsMegafunctions:Megafunctions:ArithmeticArithmeticcomponentscomponentsincludeincludeaccumulatsaccumulatsadder

4、saddersmultipliersmultipliersLPMLPMarithmeticarithmeticfunctions.functions.MegaWizardMegafunction(s)CommentsALTACCUMULATEaltaccumulateParameterizedaccumulatmegafunction.參數(shù)化的寄存器模塊參數(shù)化的寄存器模塊altecc_decoderErrcrectioncode(ECC

5、)megafunction.數(shù)據(jù)代碼糾正模塊數(shù)據(jù)代碼糾正模塊ALTECCaltecc_encoderErrcrectioncode(ECC)megafunction.數(shù)據(jù)代碼糾正模塊數(shù)據(jù)代碼糾正模塊ALTFP_ADD_SUBaltfp_add_subFloatingpointaddersubtractmegafunction.浮點(diǎn)、加法器浮點(diǎn)、加法器減法器模塊減法器模塊ALTFP_COMPAREaltfp_compareParamete

6、rizedfloatingpointcomparatmegafunction.參數(shù)化的浮點(diǎn)比較器模塊參數(shù)化的浮點(diǎn)比較器模塊ALTFP_CONVERTaltfp_convertParameterizedfloatingpointconversionmegafunction.參數(shù)化的浮點(diǎn)轉(zhuǎn)換器模塊參數(shù)化的浮點(diǎn)轉(zhuǎn)換器模塊ALTFP_DIValtfp_divParameterizedfloatingpointdividermegafunctio

7、n.參數(shù)化的浮點(diǎn)分配器模塊參數(shù)化的浮點(diǎn)分配器模塊ALTFP_MULTaltfp_multParameterizedfloatingpointmultipliermegafunction.參數(shù)化的浮點(diǎn)乘法器模塊參數(shù)化的浮點(diǎn)乘法器模塊ALTFP_SQRTaltfp_sqrtParameterizedfloatingpointsquarerootmegafunction.參數(shù)化的浮點(diǎn)平方根模塊參數(shù)化的浮點(diǎn)平方根模塊ALTMEMMULTaltm

8、emmultParameterizedmemymultipliermegafunction.數(shù)化的記憶乘法器模塊數(shù)化的記憶乘法器模塊ALTMULT_ACCUM(MAC)altmult_accumParameterizedmultiplyaccumulatemegafunction.IOIOMegaWizardsMegaWizardsMegafunctions:Megafunctions:IOIOcomponentscomponentsi

9、ncludeincludeClockClockDataDataRecoveryRecovery(CDR)(CDR)phasephaselockedlockedlooploop(PLL)(PLL)doubledoubledatadataraterate(DDR)(DDR)gigabitgigabittransceivertransceiverblockblock(GXB)(GXB)LVDSLVDSreceiverreceiverLVDSL

10、VDStransmittertransmitterPLLPLLreconfigurationreconfigurationremoteremoteupdateupdatemegafunctions.megafunctions.MegaWizardMegafunction(s)CommentsALT2GXBalt2gxbGXBmegafunction.千兆位收發(fā)器千兆位收發(fā)器ALT2GXB_RECONFIGalt2gxb_reconfig

11、GXBdynamicreconfigurationmegafunction.千兆位動(dòng)態(tài)配置收發(fā)器千兆位動(dòng)態(tài)配置收發(fā)器ALTASMI_PARALLELaltasmi_parallelActiveserialmemyinterfaceparallelmegafunction.并聯(lián)接口的串行存儲(chǔ)器并聯(lián)接口的串行存儲(chǔ)器ALTCLKCTRLaltclkctrlClockcontrolblockmegafunction.時(shí)鐘控制模塊時(shí)鐘控制模塊AL

12、TCLKLOCKaltclklockParameterizedPLLmegafunction.參數(shù)化的鎖相環(huán)模塊參數(shù)化的鎖相環(huán)模塊ALTDDIO_BIDIRaltddio_bidirDDRbidirectionalmegafunction.參數(shù)化的與門模塊參數(shù)化的與門模塊LPM_BUSTRIlpm_bustriParameterizedtristatebuffermegafunction.參數(shù)化的三態(tài)緩沖器模塊參數(shù)化的三態(tài)緩沖器模塊LP

13、M_CLSHIFTlpm_clshiftParameterizedcombinationallogicshifterbarrelshiftermegafunction.參數(shù)化的組合邏輯轉(zhuǎn)換模塊參數(shù)化的組合邏輯轉(zhuǎn)換模塊LPM_CONSTANTlpm_constantParameterizedconstantgeneratmegafunction.參數(shù)化的常數(shù)發(fā)生器模塊參數(shù)化的常數(shù)發(fā)生器模塊LPM_DECODElpm_decodeDecod

14、ermegafunction.參數(shù)化的解碼器模塊參數(shù)化的解碼器模塊LPM_INVlpm_invParameterizedinvertermegafunction.參數(shù)化的反相器模塊參數(shù)化的反相器模塊LPM_MUXlpm_muxParameterizedmultiplexermegafunctions.參數(shù)化的多路轉(zhuǎn)換器模塊參數(shù)化的多路轉(zhuǎn)換器模塊LPM_lpm_Parameterizedgatemegafunction.參數(shù)化的或門模塊參