ug_intro_to_megafunctions(6)

时间：2026-01-20 来源：未知

小中大

字号：

UG-01056-3.0

May2013

6GeneratedMegafunctionFiles

betweentheblocks.IftheI/Osintwoconnectedblocksaredifferentlynamed,youcanassignanamethatmatchesablockI/Oporttoconnecttheporttothebusorconduit,oryoucanmapthesignalconnectionbynameexplicitly.YoucanalsoconnectmegafunctionsincludedinaQsyssystemintheQsysGUI.Toconnectamegafunctionusingtheblockeditor,followthesesteps:

1.Todrawawire,busorconduitlineconnectingoneormoreblock,performanyofthefollowing: Todrawaconduit,clicktheSelectionandSmartDrawingToolortheOrthogonalConduitToolbuttononthetoolbar.Thesmartselectionanddrawingtoolautomaticallychangestothecorrectnode,bus,orconduittoolwhenyoudragitfromablockorsymbolborder. Todrawabus,clicktheOrthogonalBusToolbuttononthetoolbar. Todrawawire,clicktheOrthogonalNodeToolbuttononthetoolbar.

TheQuartusIIsoftwareautomaticallyconnectscommonI/O'sbetweentheblocks2.TomapdifferentlynamedI/Obetweentwomegafunctions,followthesesteps:

a.Ataconduitconnection,doubleclickthemappersymbol.TheMapperPropertiesdialogboxappears.b.OntheGeneraltab,specifytheI/OType.c.ClicktheMappingstab.

d.UnderConduitMappings,selectthenameofyourI/OonblockandthecorrespondingSignalsinconduit.

e.ClickAdd.Alogicalconnectioniscreatedbetweenthesignals.3.IntheFilemenu,clickSave.

Figure2:ExampleGlobalClockControl

Connections

GeneratedMegafunctionFiles

TheMegaWizardPlug-InManagergeneratesoneormoreofthefollowingfilesforsynthesisandsimulationofthemegafunctionIPcoreintheQuartusIIsoftwareandotherEDAtools.

AlteraCorporation

IntroductiontoMegafunctionIPCores

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