allegro 文件转pads 的方法

Allegro to PADS® TranslatorUser’s GuidePADS 9.4© 1987-2012 Mentor Graphics CorporationAll rights reserved.This document contains information that is proprietary to Mentor Graphics Corporation. The original recipient of this document may duplicate this document in whole or in part for internal business purposes only, provided that this entire notice appears in all copies. In duplicating any part of this document, the recipient agrees to make every reasonableThis 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. 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A current list of Mentor Graphics’ trademarks may be viewed at: /trademarks.Table of ContentsChapter 1Migrating Cadence Allegro Designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Method 1—PADS and Allegro on the Same Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Method 2—PADS and Allegro on Different Machines. . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Allegro Designs Translator Dialog Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Chapter 2Allegro to PADS Layout Translation Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Zero Size Pads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Decals and Design Graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Board Outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 SMD Edge Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Lack of Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Create_devices Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..12 Exclamation mark (!) in the Design Board Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Disabling Board Refresh while Exporting Data with SKILL Scripts . . . . . . . . . . . . . . . . . .12 Allegro to PADS Mapping Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Chapter 3Error Codes and Log Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Third-Party InformationEnd-User License AgreementTable of ContentsChapter 1Migrating Cadence Allegro DesignsThe Cadence Allegro to PADS Layout design translator is one of a group of translators included with the PADS PCB Design Tools. It installs with PADS Layout.Tip: To find the version number of the translator, click the translator icon in the title bar, and select About Allegro Designs Translator.Supported VersionsThe translator supports up to version 16.3 of Allegro PCB.Restrictions•You must have access to both PADS Layout and to the Cadence Allegro PCB Editor in at least the XL version.•Only the “electrical” type data is translated.Choosing a MethodIf both applications reside on the same machine, use Method 1 to migrate the design. If they are on different machines, use Method 2.Method 1—PADS and Allegro on the Same MachinePerform the following steps to migrate an Allegro design to PADS Layout when PADS Layout and Allegro PCB Editor reside on the same machine.Procedure1.To prepare the Allegro design(s) for migration, copy the contents of the<PADS installdir>\SDD_HOME\translators\skill_scripts folder to:o Unix—the $HOME\pcbenv folder.o Windows—the %HOME% folder. For example, C:\SPB_Data\pcbenv2.Verify that the following "System" Variables are set prior to running "skill loaddfl_main.il" otherwise translator executable files do not properly generate correct output files and folders in the background.Migrating Cadence Allegro DesignsMethod 2—PADS and Allegro on Different MachinesAEX_BIN_ROOT=%SDD_HOME%\translators\win32\binAEX_ENABLE_JOBPREFS_LAYER_FIX=1Tip: Some environments remove the above Variables when you run The MGC SDDConfigurator. If this happens add them to "User" variables.3.For each design you want to translate:a.Create a new folder (for example C:\SPB_Data\convert_1), and copy into it theAllegro design (.brd) file you want to migrate.b.Open the .brd file, and in the Allegro command prompt window enter thesecommand lines:Command> skill load “dfl_main.il” (include quotes)Command> main outc.The “main out” opens the Allegro to Expedition Translator dialog box. Click theStart One Way Translation button.d.After the SKILL script has completed, any errors reported must be fixed, then rerunthe SKILL script. The migration will not complete correctly if all errors are notfixed. When completed, numuerous folders and files are generated under the newdesign folder you created in step a.4.Migrate the prepared Allegro design(s) (for example C:\SPB_Data\convert_1) to PADSLayout using one of the following steps:• A single design—In PADS Layout, use File > Import. This procedure automatically includes attributes. When migration completes, it is automatically opened in PADSLayout.•Multiple designs or to control attribute translation—Perform the following steps:i.From the Start Menu, run the Allegro to PADS Translator.ii.In the Allegro Designs Translator dialog box:a.Identify the location where you want the translated files placed.e the Add button to specify the files you want to translate.c.Specify whether or not to translate attributes.d.Click the Translate button. The output filename(s) will be in the formatdesign_##########.pcb.Method 2—PADS and Allegro on Different MachinesPerform the following steps to migrate an Allegro design to PADS Layout when PADS Layout and Allegro PCB Editor reside on different machines.Migrating Cadence Allegro DesignsMethod 2—PADS and Allegro on Different Machines Procedure1.On the PADS machine, copy..•The contents of the <PADS install dir>\SDD_HOME\translators\skill_scripts folder •The <PADS install dir>\SDD_HOME\translators\win32\bin\tech_translator.exe..to the Allegro machine in the $HOME\pcbenv folder (for exampleC:\SPB_Data\pcbenv).2.Set the AEX_BIN_ROOT environment variable to point to $HOME\pcbenv.3.Verify that the following "System" Variables are set prior to running "skill loaddfl_main.il" otherwise translator executable files do not properly generate correct output files and folders in the background.AEX_BIN_ROOT=%SDD_HOME%\translators\win32\binAEX_ENABLE_JOBPREFS_LAYER_FIX=1Tip: Some environments remove the above Variables when you run The MGC SDDConfigurator. If this happens add them to "User" variables.4.For each design you want to translate:a.Create a new folder (for example C:\SPB_Data\convert_1), and copy into it theAllegro design (.brd) file you want to migrate.b.Open the .brd file, and in the Allegro command prompt window enter thesecommand lines:Command> skill load “dfl_main.il” (include quotes)Command> main outc.The “main out” opens the Allegro to Expedition Translator dialog box. Click theStart One Way Translation button.d.After the SKILL script has completed, any errors reported must be fixed, then rerunthe SKILL script. The migration will not complete correctly if all errors are notfixed. When completed, numuerous folders and files are generated under the newdesign folder you created in step a.e.Zip-up and transfer the entire design folder (for example, C:\SPB_Data\convert_1)to the PADS machine.f.On the PADS machine, unzip to any location to migrate the prepared Allegrodesign(s) to PADS Layout.5.Migrate the prepared Allegro design(s) (for example C:\SPB_Data\convert_1) to PADSLayout using one of the following steps:• A single design—In PADS Layout, use File menu > Import. This procedure automatically includes attributes. When migration completes, it is automaticallyopened in PADS Layout.Migrating Cadence Allegro DesignsAllegro Designs Translator Dialog Box•Multiple designs or to control attribute translation—Perform the following steps:i.From the Start Menu, run the Allegro to PADS Translator.ii.In the Allegro Designs Translator dialog box:a.Identify the location where you want the translated files placed.e the Add button to specify the files you want to translate.c.Specify whether or not to translate attributes.iii.Click the Translate button. The output filename(s) will be in the formatdesign_##########.pcb.Related TopicsError Codes and Log MessagesAllegro Designs Translator Dialog BoxUse the Allegro Designs Translator dialog box to translate multiple Allegro designs and/or control attribute translation. When using the File > Import transtlation method, attributes are automatically translated.Accessing•Start menu > All Programs > Mentor Graphics SDD > PADS (version) > Translators > Allegro to PADS TranslatorMigrating Cadence Allegro DesignsAllegro Designs Translator Dialog BoxFigure 1-1. Designs TabTable 1-1. Designs Tab ContentsName DescriptionPlace translated files in Type the pathname of the folder where you want thetranslated files to be placed, or click the browse button tofind the folder.Log file Displays the location of the translation log file. When thetranslation completes, the Translation Results dialog boxdisplays the translation log.Migrating Cadence Allegro DesignsAllegro Designs Translator Dialog BoxRelated TopicsMigrating Cadence Allegro Designs Allegro files to translate Click the Add button to browse for Allegro .brd designfiles.Select and click Remove to take a design file out of thelist of designs that can be translated.Restrictions:•Filenames must be unique in the list.•Only designs whose check box is selected aretranslated.Update mapping Click to update the attribute mapping.Restriction: This button is unavailable until you add oneor more designs to translate.Translation Options area Translate attributesSelect this check box to translate Allegro attributes intoPADS attributes.Table 1-1. Designs Tab ContentsNameDescriptionChapter 2 Allegro to PADS Layout Translation NotesThis chapter describes differences between Allegro file content and PADS Layout file content, and possible discrepancies that can occur in translation.Zero Size PadsAllegro zero size pads are not supported by the translator. As a workaround, you can resize them to make them as small as possible (1 DBU), and put a message in the log file stating what these pads are.Decals and Design GraphicsDecals generated during the translation do NOT contain all the pertinent information that existed in Allegro (for example, notes, some graphics, etc). Therefore check the translated design closely.Board OutlineBoard outlines must be contiguous in Allegro to successfully translate into PADS. Check the board outline in Allegro to ensure that there are no gaps or opens.SMD Edge ConnectorsAn outstanding bug exists when sometimes the translator does not handle double-sided SMD edge connectors correctly. If the design has one of these connectors please double-check it after the translation in PADS. This problem typically occurs on designs that have an AGP / PCI type connector.Lack of MemoryDue to Windows OS limitations, the translator cannot allocate more than 2GB of memory. If you are translating a very large design, the translator may run out of memory and display an “Unable to allocate enough memory to translate current design” message.The suggested workaround is to configure Windows to provide 3GB virtual address space. To do this:Allegro to PADS Layout Translation NotesCreate_devices Failure1.Add /3GB to the Windows boot.ini file as described at/whdc/system/platform/server/PAE/PAEmem.mspx.2.Reboot your computer and start the translation again.Create_devices FailureSKILL scripts use the Allegro create_devices command to export device files to ...\devices in the design directory. If this command fails, data export cannot complete successfully. To complete the data export process, you must fix the design board to make the create_devices command work.One example of this problem is Allegro device names containing an equals sign (=). When the SKILL script encounters such a name, it removes the equals sign, which causes the Allegro create_devices command to fail. To resolve this problem, you must do one of the following: •Edit the device name in the Allegro schematic and forward annotate it to the board.•Remove the device from the Allegro design.Another example is device names longer than 32 characters. This causes a problem with exporting devices. If your job has device names that are longer than 32 characters, set the Allegro environment variable ALLEGRO_LONG_PACKAGE_NAME to TRUE.Exclamation mark (!) in the Design Board Path SKILL scripts create a temporary Allegro macro file with commands exporting part of the data. If the design board path contains an exclamation mark (!), the temporary macro file name also contains an exclamation mark; this causes the SKILL script to try to execute the temporary macro file with the replay command.Disabling Board Refresh while Exporting Data with SKILL ScriptsFor better performance, design board refresh is disabled while exporting data from Allegro with SKILL scripts.Allegro to PADS Layout Translation NotesAllegro to PADS Mapping Table Allegro to PADS Mapping TableThe following table shows the translation mapping of Allegro elements to PADS.Table 2-1. Allegro to PADS Mapping TableFrom Allegro Element: To PADS Element:LayersSupportedAssy_Line NotBoard Outline Board Outline objectBreak Outs Traces & Vias (Fanouts)Component_Body Outline_1User layer (Component Body Outline_1)Component_Body Outline_2User layer (Component Body Outline_2)DAM Not SupportedDielectric Not SupportedDimension_Keepout Not SupportedDrill Not SupportedError Not SupportedFixture_Outline Not SupportedForce Not SupportedGlue_Mask_1Not SupportedGlue_Mask_2Not SupportedHead_Insertion Not SupportedInsertion_Machine_Keepout User layer (Insertion)Milling Not SupportedOne-Way_Region User layer (One Way Region)Panel_Outline Not SupportedPaste_Mask_1Paste Mask TopPaste_Mask_2Paste Mask BottomPlace_1Layer 20 (Placement Outline)Place_2Layer 20 (Placement Outline)Placement_Keepout_1User layerPlacement_Keepout_2User layerAllegro to PADS Layout Translation NotesAllegro to PADS Mapping TableTable 2-1. Allegro to PADS Mapping Table From Allegro Element: To PADS Element:Placement_Region_1User layerPlacement_Region_2User layerPower Plane LayerPrepreg Not SupportedProbe_1 and Probe_2Not SupportedProbe_Area Not SupportedProbe_Symbol Not SupportedRouting_Keepout Keepout (Trace & Via)Shape_Edit Not SupportedSheet_Dielectric Not SupportedSignal_X Layer (Signal)Silkscreen_1Silkscreen Outline TopSilkscreen_2Silkscreen Outline BottomSolder_Paste_1Paste Mask TopSolder_Paste_2Paste Mask BottomSoldermask_1Soldermask TopSoldermask_2Soldermask BottomTest Points Test PointsTestPoint_Keepout Not SupportedTestPoint_Outline Not SupportedTestPoint_Reference Not SupportedThermal SupportedTrace Keepout Keepout (Trace)User Defined Layer User layerVia Keepout Keepout (Via)FabricationAperture Table Not SupportedArtwork Format Not SupportedArtwork Simulation Not SupportedArtwork Stackup Not SupportedAllegro to PADS Layout Translation NotesAllegro to PADS Mapping TableTable 2-1. Allegro to PADS Mapping TableFrom Allegro Element: To PADS Element:Drill Data Not SupportedDrill Simulation Not SupportedDrill Table Not SupportedMill Table Not SupportedFills, Keepouts, PlanesArea Fills Copper Pour or Plane AreaArea Fills (Protected)Copper Pour or Plane AreaArea Fill Tie Bar and Cutouts Not SupportedClassic Area Fills Copper Pour or Plane AreaCutouts Copper KeepoutCutouts (Protected)Copper KeepoutNo Connect Rules Not supportedPlacement Outline Not SupportedPower Fill Plane LayerRoute Keepout Keepout (Trace)Signal Layer Electrical LayerSplit Power Planes Plane LayerTrace Keepout Keepout (Trace)Via Keepout Keepout (Via)Visual-Text, Shapes, etc.Color map settings Not SupportedComponent Ref. Des. (Top)Ref. Des. on Silkscreen TopComponent Ref. Des. (Bottom)Ref. Des. on Silkscreen Bottom Dimensioning Not SupportedDrill Symbols SupportedGuides Not supportedNet Type Patterns Not SupportedPart Name Not SupportedPin Ref. Des.Pin NumbersShapes on User Defined Layers Shapes on User LayersAllegro to PADS Layout Translation NotesAllegro to PADS Mapping TableTable 2-1. Allegro to PADS Mapping TableFrom Allegro Element: To PADS Element:Shapes on Route Layers Shapes on Routing LayersTargets/Registration Marks Graphics on User LayersText on User Defined Layer Text on User LayerText on Route Layer Text (Keepout)Parts, Traces & ViasBlind Padstacks SMD PadstacksBlind/Buried Vias Buried ViasBlind/Buried Vias (Protected)Buried ViasBreak Outs Traces & ViasBreak Outs (Protected)Traces & ViasBreakouts (Component)TracesBuried Padstacks Only for 2 pin parts, maps to Buried PartComponent Type Rules Not SupportedComponents PartsComponents (Fixed)PartsComponents (Protected)PartsDrilled Holes Part HolesFixed Components PartsJumpers PartsMicroVias Vias (small diameter)MicroVias (Protected)Vias (small diameter)Mounting Holes Additional pins in decalNo Cleanup Vias ViasPins (Protected)PartsReuse Block (Primitive)Treated as single componentReuse Block (Replica linked)Components and tracesReuse Block (Replica un-linked)Treated as editable components & tracesReuse Block (Smashed linked)Components and tracesReuse Block (Smashed un-linked)Treated as editable components & tracesShield Trace TracesAllegro to PADS Layout Translation NotesAllegro to PADS Mapping TableTable 2-1. Allegro to PADS Mapping TableFrom Allegro Element: To PADS Element:Shield Trace (Protected)TracesTeardrops Not SupportedTest Coupon Not SupportedTest Points Test PointsThrough Padstacks Through PadstacksThrough Vias Through ViasThrough Vias (Protected)Through ViasTraces TracesTraces (Protected)TracesTraces in Cell Not supportedOtherComponent to Component Rules SupportedComponent Type Rules Not SupportedHighspeed Rules Not supportedHybird Objects Not SupportedMCM Objects Not SupportedNet Types Net ClassesPin Type, SLT Not SupportedRF Objects Not SupportedThermal Not SupportedVariants Not SupportedAllegro to PADS Layout Translation Notes Allegro to PADS Mapping TableChapter 3Error Codes and Log MessagesTable 3-1 is a list of error codes and translator log messages.Table 3-1. Error Codes and Log MessagesError code Explanation[F] A fatal error. The translator will terminate. A file was not created due to aproblem, setting, or switch that would not allow the file to be translated. Atranslated file is not created due to the fatal error that was encountered.[E] A serious, but non-fatal error. 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