资源描述:
《PADS9.2英文教程》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、PADS9.2基础速成教材Step1-CreateaBoardOutlineBoardoutlinesarecreatedusingthedraftingtools.ThedraftingtoolsarelocatedintheDraftingtoolbox.Tocreateaboardoutline:1.IntheWelcomescreen,clickStartanewdesign.2.ClicktheDraftingToolbarbutton.3.OntheDraftingtoolbar,clicktheBoardOutlineandCutOutbutton.4.Right
2、-clickandselectyourshapepreference.5.Drawanoutlineusingthepointer,makingaseriesofclicks.6.Clicktocompletearectangularorcircularoutline.Double-clicktocompleteapolygonaloutline.Step2-ImportaNetlistandDispersePartsTypically,netandpartdesigndataoriginateinaschematiccaptureapplicationandaretransf
3、erredtoalayoutapplicationviaanASCIInetlist.UsetheImportcommandtoimportASCIIfilesintoyourdesign.Toimportanetlist:1.OntheFilemenu,clickImport.Tip:Savethedesignwhenyouarepromptedto.2.IntheFileImportdialogbox,clickthefiletypetoimportfromtheFilesoftypelist.3.Navigatetothefiletoimport,andclickOpen
4、toimportthefile.4.Reviewanyerrorsorwarnings,intheascii.errfile,thatmayresultfromtheimportprocess.Afteryouimportnetsandpartsintoyourdesign,dispersethepartsaroundtheoutsideoftheboardusingtheDispersecomponentscommand.Todisperseparts:1.OntheToolsmenu,clickDisperseComponents.2.ClickYestoconfirmth
5、edispersionoftheparts.8Step3-SetupDesignRulesSetupalldesignrules,includingclearance,routing,high-speedandothers,withinthedesignruledialogboxes.Tosetupdesignrules:1.Setupmenu>DesignRules.2.ClicktheDefaultbutton.Result:TheDefaultRulesdialogboxappears.Usethisdialogboxtoselectthetypeofdefaultrul
6、etoenter.Seethetablebelowformoreinformation.3.ClicktheClearancebuttontoenterdefaultclearancerules.4.Clickinanyoneoftheboxesinthematrixtochangeitsvalue.5.ClickOKtoapplytheclearancerulechanges.6.Clickanyotherbuttontosetdefaultrulesfortheassociatedtype.7.ClickClosetoclosetheDefaultRulesdialogbo
7、x.8.ClickClosetoclosetheRulesdialogbox.Table 11listsanddescribestherulestypes:Table11.DesignRulesTypes RulesTypeIncludesrulesorpreferencesforClearanceMinimumclearance,minimumsamenetclearance,tracewidth,drill-to-drillandpartbody-to-partbodyminimum