PCB Layout in the Xpedition Flow. Student Workbook

Transcription

1 PCB Layout in the Xpedition Flow Student Workbook Mentor Graphics Corporation All rights reserved. This document contains information that is trade secret and proprietary to Mentor Graphics Corporation or its licensors and is subject to license terms. No part of this document may be photocopied, reproduced, translated, distributed, disclosed or provided to third parties without the prior written consent of Mentor Graphics.

2 This document is for information and instruction purposes. Mentor Graphics reserves the right to make changes in specifications and other information contained in this publication without prior notice, and the reader should, in all cases, consult Mentor Graphics to determine whether any changes have been made. The terms and conditions governing the sale and licensing of Mentor Graphics products are set forth in written agreements between Mentor Graphics and its customers. No representation or other affirmation of fact contained in this publication shall be deemed to be a warranty or give rise to any liability of Mentor Graphics whatsoever. MENTOR GRAPHICS MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. MENTOR GRAPHICS SHALL NOT BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS PUBLICATION OR THE INFORMATION CONTAINED IN IT, EVEN IF MENTOR GRAPHICS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. U.S. GOVERNMENT LICENSE RIGHTS: The software and documentation were developed entirely at private expense and are commercial computer software and commercial computer software documentation within the meaning of the applicable acquisition regulations. Accordingly, pursuant to FAR 48 CFR and DFARS 48 CFR , use, duplication and disclosure by or for the U.S. Government or a U.S. Government subcontractor is subject solely to the terms and conditions set forth in the license agreement provided with the software, except for provisions which are contrary to applicable mandatory federal laws. TRADEMARKS: The trademarks, logos and service marks ("Marks") used herein are the property of Mentor Graphics Corporation or other parties. No one is permitted to use these Marks without the prior written consent of Mentor Graphics or the owner of the Mark, as applicable. The use herein of a third- party Mark is not an attempt to indicate Mentor Graphics as a source of a product, but is intended to indicate a product from, or associated with, a particular third party. A current list of Mentor Graphics trademarks may be viewed at: End-User License Agreement: You can print a copy of the End-User License Agreement from: Mentor Graphics Corporation 8005 S.W. Boeckman Road, Wilsonville, Oregon Telephone: Toll-Free Telephone: Website: SupportNet: supportnet.mentor.com/ Send Feedback on Documentation: supportnet.mentor.com/doc_feedback_form Part Number:

3 Module 1: Libraries and Library Editors Objectives Schematic Capture to Xpedition PCB Flow xpcb Layout Libraries Padstack Editor Holes Pads Padstacks What Are Cells? Cell Editor Cell Properties Cell Graphics Graphic Environment Place Pins What Are Parts? Part Editor Creating a Part Pin Mapping Logical Tab Physical Tab Supply and NC Tab What Is a Layout Template? Copying Layout Templates Layout Template From Existing Project I

4 Template Concepts Copying Cells and Padstacks Library Services Module 1 Lab: Libraries Module 2: Using the xpcb Layout Editor Objectives Start Page PCB Editor Interface Pull-down Menu Toolbars Toolbar Personalization Toolbar Docking Window Auto Hide Window Tabbing Tooltips and Videos Saving Toolbar Configuration Panning and Zooming Mouse Strokes Modes Select Mode Specialized Object Handling Features Context Sensitive Menus Context Sensitive Features Selecting Parts Selecting Parts Area Select II

5 Selecting Nets Selecting Draw Objects Selection Select by Area Selection List Highlighting Objects Locating Objects File Viewer Obtaining Help Module 2 Lab: Using the PCB Layout Editor Module 3: Display Control Objectives Display Control Dialog Display Control Search Bar Display Control Edit Tab Display Active Routing Layer Only Global View and Selection Display Control Personalization Display Control Objects Display Control Graphic Tab Display Control Net Names Dim Mode Display Control Net Display Control Fab Tab Module 3 Lab: Display Control III

6 Module 4: Setting Up for Layout Objectives Design Source Schematic Capture to Xpedition PCB Flow Creating a PCB Job xdx Designer to xpcb Layout Project Structure Project Integration Setting Up Parameters Setting User Layers Setting PCB Design Layers Default Via Setting Plane Layer Definitions Split Planes Editor Control AutoSave Design Backup Restoring From Backup icdb Project Backup Creating a Desktop Shortcut Module 4 Lab: Setting Up for Layout Module 5: Creating Board Geometries Objectives Draw Mode Draw Mode Elements IV

7 Other Graphic Editing Commands Composing Polygons Board Outline Modifying the Board Outline Route Border Manufacturing Outline Test Fixture Outline DXF In IDF Import IDF Import Issues Mounting Holes Fiducials Board Origins Placement Obstructs Route Obstructs Module 5 Lab: Creating Board Geometries Module 6: Placing Components Objectives Invoking Constraint Manager Setting Up General Clearances Setting Up Package Type Clearances Setting Up Package Type to Package Type Clearances Editor Control Placement Settings Component Explorer Hierarchical Groups V

8 Hierarchical Group Planning / Placement Marking Components Planning Groups Clusters Rooms Placed Circuit Groups Active Group Placing Planning Groups Create a New Planning Group Group Placement Settings Group/Ungroup Command Freeze Group Other Objects in Group Module 6 Lab Part 1: Working With Planning Groups Copy Components and Circuits Paste Map Dialog Part Properties Key-In Placement Commands Moving Parts Rotating Parts Pushing Parts Aligning Parts Hover Align Spread Parts Color By Net VI

9 Part Swapping Automatic Part, Gate, and Pin Swapping Manual Gate Swapping Manual Pin Swapping Forward/Back Annotation Back Annotation Managing Forward/Back Annotations Synchronization Status Placing Mechanical Cells Module 6 Lab Part 2: Modifying Placed Parts Module 7: Verifying the Layout Objectives Two Types of DRC Checking Online DRC Editor Control Online DRC Options Batch DRC Connectivity and Special Rules Advanced Element to Element Rules Batch DRC Schemes Online and Batch DRC Hazards Hazard Explorer Toolbar Reviewing DRC Hazards Measure Commands Measure Modes Measuring Minimum Distance Example VII

10 Measuring Distance Example Design Change Management Managing Forward/Back Annotations Forward/Back Annotation Preview Compare Local and Central Library Verify Cell Instance Changes Design Status Module 7 Lab: Verifying the Layout Module 8: Setting Up Routing Constraints Objectives Constraint Manager Main Window Constraint Manager Toolbars Constraint Manager Navigator Constraint Manager Spreadsheets The Clearances Spreadsheet Constraints Setup Overview Constraint Manager Window Docking Creating a Net Class Assigning Nets to a Net Class Setting Up Trace Properties Setting Up Via Assignments Creating a Clearance Rule Power Net Controls Setting Up Class to Class Clearances Creating a Scheme VIII

11 Using Schemes in xpcb Layout Topologies Timing Properties Updating Design With Actual Values Differential Pairs Phase Matching Constraints Updating the icdb Constraint Editor Constraint Editor GUI Overview Constraint Editor GUI Bars Constraint Editor Tasks Constraint Editor Clearances Constraint Editor Width Constraint Editor Match Groups Keep in Mind Module 8 Lab: Setting Up Routing Constraints Module 9: A - Net Explorer Objectives Net Explorer Creating Net Planning User Groups Marking Nets Netline Visibility Management Dynamic Netline Filtering Net Filtering Module 9A Lab 9-1: Net Explorer IX

12 Module 9: B - Interactive Routing Objectives Routing Overview Routing Command Interactive Routing Configurations Interactive Routing Control Delayed and Dynamic Push & Shove Hockey Stick and Segment Mode Angle Mode Plow Modes Multiplow Changing Layers Changing Layers / Widths Changing Trace Widths Active Clearances Spreading Traces Prohibit Violations Message Window Fixing Traces and Vias Moving Traces and Vias Pushing Traces Toggle Curve Rounding Traces Conductive Shapes Teardrops Module 9B Lab: No Lab X

13 Module 9: C - Editor Control Objectives Editor Control Editor Control Plow Editor Control Edit and Route Controls Editor Control Vias and Fanouts Editor Control Net Rules On/Off Editor Control Dialogs Editor Control Layer Settings Editor Control Diff Pairs Editor Control Pad Entry Editor Control Expand Traces Editor Control Grids Module 9C Lab 9-2: Editor Control & Interactive Routing Module 10: Auto Active Routing Objectives Semi-Automatic Routing Fanout Patterns Auto Active Router Sketch Router Message Window Select and Route Draw Sketch Path Sketch Path Options Select, Draw and Route XI

14 Selecting Netlines Drawing Sketch Path Routing Sketch Path Sketch Route Styles Packed Style Unpacked Style Post Sketch Route Glossing Hug Router Sketch Router Via Patterns Module 10 Lab: Auto Active Routing Module 11: Tuning Objectives Tuning Comparison of Tuning Commands Manual Tune Interactive Tune Manual Saw Tune Phase Tuning Target Length Module 10 Lab: Tuning Module 12: Auto Routing Traces Objectives Automatic Routing Auto Route Dialog Box Auto Route Setup XII

15 Interrupting the Router Auto Routing Status Auto Routing Schemes Spread Module 12 Lab: Auto Routing Traces Module 13: Test Points Objectives Test Point Definitions Test Point Cells Setting Test Point Parameters Setting Test Point Clearances Assigning Test Points Auto Assignment Required Test Points Interactive Test Points Placement and Output Options Editing Test Point Placement Add to Select Set Checking Test Points Module 13 Lab: Test Points Module 14: Generating Planes Objectives What Are Planes? Setting Plane Layer Definitions Processing Planes Clearances XIII

16 Plane Shapes Plane Shape Properties Merging Same-Net Plane Shapes Modifying Plane Shapes Split Planes Dynamic Plane Data Plane Data State Plane Editing Sketch Plane Graphics Planes Class Parameters Place Via Add Stitching Vias Generate Negative Planes Deleting Plane Data Placing Thermal Override Routed Plane Pins Verifying Plane Data Module 14 Lab: Generating Planes Module 15: Creating Silkscreens Objectives What Is a Silkscreen? Renumbering Reference Designators Moving Reference Designators Adding Nomenclature and Graphics Generating Silkscreen Graphics XIV

17 Module 15 Lab: Creating Silkscreens Module 16: Gerber and Drill Data Objectives Gerber Machine Format Photoplotting Output Output File Contents Padstack Holes Review NC Drill Output and Drill Chart Graphics Setup ODB Export General Interface Module 16 Lab: Gerber and Drill Data Module 17: Dimensions and Documentation Objectives Dimensioning Overview Dimensioning Mode Dimensioning Configuration Place Dimension Along a Linear Element Place Dimension Between Two Elements Place Stacked Dimension Place an Ordinate Dimension Angle From X-Axis of Linear Element Angular Dimension Between Two Linear Elements Place a Radius or Diameter Dimension Editing Dimensions XV

18 Drawing Cells DXF Output Module 17 Lab: Dimensions and Documentation Appendix A: Undock and Dock Objectives Undock and Dock Undock Dock Appendix B Lab: Additional Topics Appendix B: Mentor Graphics Support Objectives Mentor Support Plan Expert Product Support Comprehensive Online Solutions Flexible Training Mentor Productivity Services Productivity Services Categories XVI