Allegro指令介绍.ppt

,Rev.2008.08.20.A,Allegro指令讲解,Allegro操作界面简介,ComponentPlacementSettingDesignConstraintsRoutingandGlossingCopperAreasandPositiveorNegativePreparingforPostProcessing,ComponentPlacement,PlacementCommandsManualPlacementCommands手动摆零件Quickplace-快速摆零件移动零件鼠线的表示方式,PlacementCommands,OrPlaceManually,OrSetupGrids,ManualPlacement,Quickplace,注意事項:若要使用Quickplace一定要有Outline,PlaceQuickplace,ModifyingPadstacks,ToolsPadstackModifyDesignPadstack,ModifyDesignPadstack,ModifyLibraryPadstack,Replace,CreatingaLibraryformaDesign,FileExportLibraries,MoveSymbol,OrEditMove,Rotate分两种MoveRotate零件可以移动EditSpin零件在原地Rotate,鼠线的表示方法,DisplayShowRatsOnDisplayBlankRatsOff,SettingDesignConstraints,SettingupDesignRulesStandard(default)DesignRulesSpacingRuleSetPhysicalRuleSetDesignConstraintsAddAreasPropertyPropertyAdd,ChangeandDelete,SettingupDesignRule,间距的设定,设定某一区域的规则,设定Default值,线宽,Via的特殊设定,Standard(Default)DesignRules,OrSetup-Constraints,這是一般的設定如線寬，線距，Via,Spacingruleset(1),1,2,3,4,1,2,Spacingruleset(2),3,4,PhysicalRuleSet(1),1,2,3,4,1,2,PhysicalRuleSet(2),3,4,DesignConstraints,AddAreasProperty,PropertyAdd,ChangeandDelete,利用FindbyName利用BusName针对的物件不同,就有不同的Property,Delete:如果勾选Property會被DelProperty:现在设定的PropertyNameValue:设定值,RoutingandGlossing,GridsAddingSignalConnectionsInsertingViasOptionsFormOptionsFormSmoothOptionsFormBubble/GridlessMovingEtchwiththeSlideOptionDeletingEtchUsingtheSPECCTRAAutorouter,Grids,SetupGrids,Visibility,AllEtchLayers,IndividualLayers,AddingSignalConnectionsandInsertingVias,检查Options中设定布线层Act起始层Alt替换层LineLockLineArc角度Off任意角度4545度转角9090度转角,安排Route優先順序:LogicNetSchedule,在工作层上如果连击两下左键(双击)则您的工作层和代替层会自动互换并打上实孔,OptionForm,Done-佈線停止,回到Idle狀態Oops-取消前線段的動作Cancel-取消前指令Next-佈線暫停,改走其他線TempGroup-宣告走busorGroup線訊號Complete-結束busorGroup線訊號選入動作Reject-當有兩個物件重疊在一起時,放棄現再選取,可改選其他AddVia-打貫孔Finish-以同層自動走完未佈線斷SnapRatT-移動訊號T點的位置Neck-窄線佈線,須依PhysicalRuleSet宣告NewTarget-改定同訊號的佈線終點NoTarget-尾段訊號不顯示SwapLayer-走線換層(Act層換到Alt層)須停在DrillPadorVia上Toggle-出線角度切換(先直在斜或先斜在直),OptionsFormBubble,Bubble的狀況,OFF,Hugpreferred沿着Etch走,Shovepreferred推着Etch走,OptionsFormGridless,Offvia不推挤MinimalShoving延著Etch推挤FullShoving推着Etch走,MovingEtchwiththeSlideOption,移线:Comers设定角度Max45Len设定45度角的线长,Vertex:修正点EDITVertex可挪动,新增,重叠.刪除(选右鍵下的DeleteVertex)即可修整端点,DeletingEtch,全线删除请在Find下先选AllOff在勾选Clines线段删除请在Find下先选AllOff再勾选ClineSegs两点间线段刪除EditDelete按鼠标右鍵下的Cut点选要刪除的线段的第一点(线段变亮)再点第二点,UsingtheSPECCTRAAutorouter,執行RouteRoutingAutomaticAllegro會執行AutoRoute,UnconnectedPins,ToolsReportsUnconnectedpins,这个报表表示加以查核在布线完毕之后是否还有未布完的线可以存成File可以直接Show在屏幕上,CopperAreasandPositiveorNegative,CopperAreaImagesCreatingaNegativeCopperAreaCreatingaPositiveCopperAreaCrosshatchCopperEditingCopperAreasEditingCopperAreas-Options,CopperAreaImages,正片铜黑的部份就是铜箔在Allegro中的正片可以看到挖开的孔(void)及所接的梅花瓣(Thermal)它的缺点是如果移动零件或实孔,铜箔需要重新铺或者重新连接负片铜白色部份是铜箔随着铜箔设定的信号,程式会自动判定哪些点要接(ThermalRelief),哪些点要挖开(Anti-Pad)它的缺点是DRCCheck并沒有做的很完整,CreatingaNegativeCopperArea,内层负片覆铜shapepolygon画内层铺铜范围ShapeselectAssignnet给铜箔赋予信号名,內層切割(半Auto),AddLineOptions中的class改成AntiEtch先将Options中的class改回EtchEditSplitPlaneCreate将点亮中的铜箔给予适当的信号名称,CreatingaPositiveCopperArea,shapepolygon画内层铺铜范围ShapeselectAssignnet给铜箔赋予信号名ShapeParameter設定自动挖开的效果VoidVoidall执行避开(信号不同者自动避开,相同者挖开后呈梅花状),PreparingforPostProcessing,RenamingReferenceDesignatorsRenameReferenceDesignators(MainForm)RenameReferenceDesignators(SetupForm)RenameReferenceDesignatorsKeyPointsBackannotation,RenamingReferenceDesignators,零件重新编号的目的:测试.除错.修改.组装以及维护上更加方便要注意:Rename的动作最后执行,RenameReferenceDesignators(MainForm),UserDefinedGrid使用Design的grid设定UseDefinedGrid使用Default的grid设定RenameAllComponentsrename所有的零件AttachProperty.rename有设定property的零件More-一些细节的設定,RenameReferenceDesignators(SetupForm),注意事项：Top(Bottom)Layer