ug_intro_to_megafunctions(4)

时间：2026-01-20 来源：未知

小中大

字号：

UG-01056-3.0

May2013

4JTAGMegafunctions

JTAGMegafunctions

TheQuartusIIsoftwareincludestheseJTAGextensiblemegafunctions.

MegafunctionName

Function

PFL

SLD_VIRTUAL_JTAG

RelatedInformation

ParallelFlashLoaderVirtualJTAG

MegafunctionsandIPDocumentationWebPage

CustomizingMegafunctions

ingmegafunctionsinyourdesigninvolvesthefollowingsteps:

1.Identifythemegafunctionthatbestmeetsyourdesignandtargetdevicerequirements.

2.TodefineandinstantiateamegafunctionusingtheGUI,clickTools>MegaWizardPlug-InManagerandfollowthewizardtodefineyourmegafunction.TheQuartusIIsoftwareautomaticallygeneratessynthesisandoptionalsimulationoutputfiles.

etheBlockEditororQsystoconnectthemegafunctiontootherelementsinthedesign.

pileyourdesignintheQuartusIIsoftware.OptionallygenerateanetlistforotherEDAtools.5.SimulateyourdesigninyourpreferredEDAsimulator.

RelatedInformation

ConnectingMegafunctionsonpage5UsingHDLCodeTemplatesonpage7

SynthesizingMegafunctionsinotherEDAToolsonpage11

CustomizingMegafunctionsintheGUI

TheMegaWizardPlug-InManagerGUIallowsyoutodefineandinstantiateacustomvariationofanAlteramegafunction.Youcaneditmegafunctionsatanytime.MegafunctionsdefinedinyourprojectappearintheProjectNavigator.Toeditamegafunction,double-clickthemegafunctionfileintheProjectNavigatororBlockEditortodisplaytheMegaWizardGUI.TocustomizeamegafunctionusingtheMegaWizardPlug-InManagerGUI,followthesesteps:

unchtheMegaWizardPlug-InManagerusinganyofthefollowingmethods:

IntheQuartusIIsoftware,clickTools>MegaWizardPlug-InManager.

IntheProjectNavigator,right-clickamegafunctionfileandclickMegaWizardPlug-InManager. IntheBlockEditor,clickEdit>InsertSymbolasBlock.IntheSymboleditor,clickMegaWizardPlug-InManager.

Startthestand-aloneversionoftheMegaWizardPlug-InManagerGUIbytypingthefollowingcommandat

thecommandprompt:qmegawiz(forGUIorcommand-linemode)or

AlteraCorporation

IntroductiontoMegafunctionIPCores

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