EDA练习.docx

EDA练习.docx

《EDA练习.docx》由会员分享，可在线阅读，更多相关《EDA练习.docx（77页珍藏版）》请在冰点文库上搜索。

EDA练习

ExerciseManual

for

Quartus®IISoftwareDesignSeries:

Foundation

SoftwareRequirementstocompleteallexercises

QuartusIIsoftwareversion11.0

LinktotheQuartusIIHandbook:

Usethelinkbelowtodownloadthedesignfilesfortheexercises:

Exercise1

Exercise1

Objectives:

∙CreateaprojectusingtheNewProjectWizard

∙Nametheproject

∙Pickadevice

Note:

Intheseexercises,you’llcreateabrandnewprojectandcompleteanexistingdesign.You’llhavethechoiceofcreatingthedesignusingthreedifferenttypesofdesignentry:

Verilog,VHDL,orasaQuartusIIschematic.Wherenoted,besuretoonlyfollowtheinstructionsappropriateforyourchoiceofdesignentrymethod.Bytheendoftheclass,you’llhaveafinal,optimizeddesign,readyforprogrammingintoaCyclone®IVEFPGAdevice.

Besuretocompletelyreadtheinstructionsforeachstepandsub-stepinthislabmanual.Eachstepfirstsummarizeswhatyou’llbedoinginthatstepbeforeprovidingcompleteinstructions.Usethelinesnexttoeachstep（____）tokeeptrackofyourprogressortocheckoffcompletedstepsintheexercises.

Ifyouhaveanyquestionsorproblems,pleaseasktheinstructorforassistance.

Step1:

Createnewprojectforuseinthelabexercises

____1.Unzipthelabprojectfiles.InanExplorerwindow,gotoC:

\altera_trn\Quartus_II_Software_Design_Series_Foundation.ThenameofthedirectorymaybeshortenedtoQuartus_II_Foundationorsimilaronsomemachines.Thiswillbeyourlabinstallationdirectory.DeleteanyoldlabfilefoldersthatmayalreadyexisttherelabeledQIIF*.Double-clicktheexecutablefilefoundinthatlocationorthefileyoudownloadedfromthelinkinyourclassregistrationemail.Ifyoustillcannotfindthisfile,askyourinstructorforassistance.IntheWinZipdialogbox,simplyclickUnziptoautomaticallyextractthefilesinplacetoanewfoldernamedQIIF11_0inthedirectorymentionedabove.CloseWinZip.

____2.StarttheQuartusIIsoftware.IntheWindowsStartmenufromtheAllProgramslist,gototheAlterafolderandthentheQuartusII11.0folder.Dependingonyouroperatingsystem,clickQuartusII11.0（64-bit）orQuartusII11.0（32-bit）tostarttheprogram.Checkwithyourinstructorifunsure.Theremayalsobeashortcutonthedesktop.

____3.StarttheNewProjectWizard.YoucanopenitfromtheGettingStartedWithQuartusIISoftwarewelcomedialogthatappears.Ifyou’veclosedthiswindow,intheTaskswindowontheleftsideoftheQuartusIIinterface,expandtheStartProjectfolderanddouble-clickOpenNewProjectWizard.YoucanalsoselectNewProjectWizard…fromtheFilemenu.TheNewProjectWizardappears.IftheIntroductionscreenappears,clickNext.

____4.CompletetheNewProjectWizardtocreatetheproject.SelectoneoftheworkingdirectoriesshowninTable1dependingonthetypeofdesignentryyouwanttouse.Nametheprojectpipemultandleavethetoplevelentitynamepipemult.

Table1.Settingsforpage1ofNewProjectWizard

workingdirectory

\QIIF11_0\Ex1\VHDL

\QIIF11_0\Ex1\Verilog

\QIIF11_0\Ex1\Schematic

nameofproject

pipemult

top-leveldesignentity

pipemult

____5.ClickNexttoadvancetopage2.

____6.Onpage2,clickthebrowsebutton

.NavigatetotheprojectdirectoryastheSelectFiledialogboxmaynotautomaticallybepointingthere.Selectthetop-levelfilepipemult（.v,.vhd,or.bdf,dependingonthedesignentrymethodyouchosein#4）.AfterclickingOpen,clickAddtoaddthefiletotheproject.ClickNext.

Notethatthisstepisn’treallynecessarysincethedesignfileisalreadylocatedintheprojectworkingdirectory.Thenewprojectwouldautomaticallyincludethedesignfileaspartoftheproject.Filesorfiledirectories（libraries）onlyneedtobeaddedonpage2oftheNewProjectWizardiftheyarenotlocatedintheprojectdirectory.Addingthefiletotheprojectremovesthewarningthatthefilehasnotbeenadded.

____7.Onpage3,selectCycloneIVEastheFamily.IntheShowin‘Availabledevice’listsection,setPackagetoFBGA,Pincountto256,andSpeedgradetoFastest.Thisfiltersthelistofavailabledevices.SelecttheEP4CE6F17C6devicefromtheAvailabledevices:

window.

____8.ClickNext.

/////////////////////////////////////////////////////////////////////////////////////////////////////////////

____9.Onpage4（shownbelow）,youcanspecifythird-partyEDAtoolsyoumaybeusing.SincetheseexerciseswillbedoneentirelywithintheQuartusIIsoftwarewithoutanyothertools,clickNexttoskipthisstep.

____10.Thesummaryscreenappears.

____11.ClickFinish.

Theprojectisnowcreated.

Keeptheprojectopenasyoucontinuethroughtheexercises.Thereisnoneedtoclosetheproject.Ifyoudoclosetheprojectforsomereason,besuretoselectOpenProjectinsteadofjustOpenfromtheFilemenu（orOpenExistingProjectfromtheTaskswindow）.TheOpencommandisusedtosimplyopenasinglefileinsteadofaproject,preventingtheabilitytoperformmanyproject-basedoperations,suchascompilation.

ExerciseSummary

∙CreatedaprojectusingtheNewProjectWizard

–Namedtheproject

–Pickedadevice

ENDOFEXERCISE1

Exercise2

Exercise2

Objectives:

∙CreateamultiplierandRAMblockusingtheMegaWizardPlug-inManagertocompletethedesign

∙CreateaHEXfiletoinitializetheRAMblockusingtheMemoryEditor

∙Analyzeandelaboratethedesigntocheckforerrors

PipelinedMultiplierDesign

Figure1showsaschematicrepresentationofthetop-leveldesignfileyouwillbeusingtoday.ItconsistsofamultiplierandaRAMblock.DataisfedtothemultiplierfromanexternalsourceandstoredintheRAMblock,whichisalsocontrolledexternally.ThedataisthenreadoutoftheRAMblockbyaseparateaddresscontrol.

Figure1

IMPORTANTNOTE:

Forexercises2-6,youshouldeithercontinueworkingintheEx1directory（preferred）,oryoucanopenaproject（FilemenuorTaskswindowOpen[Existing]ProjectSelectpipemult.qpfandclickOpen）foundinoneoftheEx#directories.TheEx#directorieseachcontainprojectsinthethreeversions（schematic,Verilog,VHDL）completeduptothebeginningofthatexerciseintheexercisemanual.TheSolutionsdirectorycontainsaWorddocumentwiththeanswerstoquestionsaskedintheexercisesaswellasthefinalprojectasitwouldbesetupattheendofexercise5.

Step1:

Buildan8x8multiplierusingtheMegaWizard®Plug-inManager

____1.ChooseToolsMegaWizardPlug-InManagerordouble-clickMegaWizardPlug-InManagerintheCreateDesignfolderoftheTaskswindow.Inthewindowthatappears,selectCreateanewcustommegafunctionvariation.ClickNext.

____2.Selectthemegafunctiontocreate.Onpage2a（shownabove）,dothefollowing:

a.ExpandtheArithmeticfolderandselectLPM_MULT.

b.Inthedrop-downmenu,makesuretheCycloneIVEdevicefamilyisselected.

TheselectionofadevicefamilyhereletstheMegaWizardPlug-InManagerknowwhatdeviceresourcesareavailableasthemegafunctioniscreated.Youcouldchangethedevicefamilyifyouwantedtocreatethesamemegafunctionbutforadifferentprojectthatusesadifferentdevice.

c.ChooseVHDLorVerilogHDLoutputdependingonyourchoiceofHDLandexercisedirectory.IfyouareusingtheSchematicexercise,chooseeitherVHDLorVerilog.

d.Forthenameoftheoutputfile,typemult.Youcanaddthistotheendofthedirectorypathorerasetheentirepathtoautomaticallyplacethegeneratedmegafunctionfilesintheprojectdirectory.

____3.ClickNext.

/////////////////////////////////////////////////////////////////////////////////////////////

\

____4.Onpage3（General）,setthewidthofthedataaanddatabbusesto8bitsiftheyarenotalreadyset.Fortheremainingsettingsinthiswindow,usethedefaultsthatappear.

____5.ClickNext.

____6.Onpage4（General2）,useallthedefaultsettings（i.e.databinputdoesNOThaveaconstantvalue,useunsignedmultiplication,andselectthedefaultmultiplierimplementation）.

____7.ClickNext.

____8.Onpage5（Pipelining）,chooseYes,Iwantanoutputlatencyof2clockcycles.

____9.ClickNext.

____10.Youshouldnowbeonpage6（section2oftheMegaWizardcalledEDA）.ThistabindicatesthesimulationmodelfileneededtosimulateLPM_MULTinanEDAsimulationtool（e.g.ModelSimorsomeother3rd-partysimulationtool）.Thelpmsimulationmodelfileshouldbeindicatedasshownabove.Youalsohavetheoptionofgeneratingatimingandresourceestimationnetlistforusebya3rd-partysynthesistools.Wearenotusinganythird-partytools,sojustclickNext.

____11.Onpage7,usingTable2belowchecktheappropriateboxesdependingontheDesignEntryMethodselected.

Table2.MegaWizardfilestogenerate

DesignEntryMethod

FilestoEnableinMegaWizardPlug-In

VHDL

mult_inst.vhd&mult.cmp

Verilog

mult_inst.v

Schematic

mult.bsf

____12.ClickFinishtocreatethemegafunction.IfadialogboxappearsaskingifyouwanttoaddtheQIPfiletotheQuartusIIproject,clickYes.

Themultiplierisbuilt.

Ifforsomereasonyourmegafunctionisincorrectoryouforgotormissedacheckboxforgeneratingalltherequiredoutputfiles,opentheMegaWizardPlug-InManageragainfromtheToolsmenuorTaskswindow.Selecttoeditanexistingmegafunction.Thenselectthemainvariationf