《CB设计的整体流程》PPT课件

《《CB设计的整体流程》PPT课件》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、第3节PCB设计的整体流程www.beifangkj.comQQ群：17027510北方科技课件密码：25446358www.themegallery.comPCBdesignprocesswww.themegallery.comTransferringdesigninformationtothePCBwww.themegallery.comResolvingsynchronizationerrorsMissingcomponentfootprints.Footprintpinnumbersnotmatchedtoschematicpinnumbers.Com

2、ponentsnotmatching(Figure4).Toresolveerrors,performaShowDifferences,thenintheDifferencesdialogclicktheExploreDifferencesbutton.www.themegallery.comPCBPanel:PCB»PCBBrowsemodeselectionlistComponents(andthenComponentClasses)Nets(andthenNetClasses)From-ToEditorSplitplanesDesignrules&des

3、ignruleviolations.DifferentialpairsPolygonsHolesizesUsingthePCBPanelwww.themegallery.comProjectNavigationandCrossProbingNavigation这里要是看不到的时候可以右键compileallwww.themegallery.comCrossprobingCrossprobingfromtheschematictothePCBSplitverticle/mergeallwww.themegallery.comDesignRulesAddingde

4、signrulesDesign»Rules.www.themegallery.comDesignrulesconceptsObjectsetRuleQuerywww.themegallery.comSettingtheruleprioritywww.themegallery.comHowrulesarechecked(1)OnlineDRCwww.themegallery.comHowrulesarechecked(2)DRCRulestoCheckpageoftheDesignRuleCheckerdialog,asshowninFigure8(select

5、Tools»DesignRuleCheckfromthemenus).RunningaDRCwww.themegallery.comClassesandRoomsObjectclassesDesign»Classes.Usingclassesindesignruleswww.themegallery.comRooms模块化设计布局方便www.themegallery.comClassesandRoomsDefiningRoomsDesign»RoomsMovingcomponentsintoaroomInteractivePlacement»ArrangeWi

6、thinRoomMovingroomswww.themegallery.comComponentunionsComponentPlacementgridBoardOption快捷键“o”Placement（布局）www.themegallery.comInteractivePlacementcommandsAlignmentcommandsComponentPlacementcommandsTools»ComponentPlacementArrangeWithinRoomArrangeWithinRectangleArrangeOutsideBoardRepo

7、sitionSelectedComponentswww.themegallery.comRoutingandPolygonsRoutingInteractiveroutingInteractiveRoutingDifferentialPairRouting必须需要定义差分对www.themegallery.comInteractiveRoutingPressingtheTABkeywillopentheInteractiveRoutingforNetdialogwww.themegallery.comAutomaticloopremovalDraggingtr

8、acksDraggingArcs练习布