ug_intro_to_megafunctions(6)

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