The following outlines are intended to provide a road map for what to do, when. Only a limited amount of detail is provided here; later sections address the issues in more detail.
The overall process flow is presented first; it is the longest, and the one most used. After the overall process flow, special purpose flows for (4.2.2) symbol creation, (4.2.3) pdb creation, (4.2.4) cell creation, and (4.2.5) seed creation are provided.
determine the (2.1) name of your [project] copy the appropriate (4.3.1) [seed] job folder to your area rename [seed].sbk to [project].sbk edit (188.8.131.52) [project].prj change sbk,root,cdb pointer from [seed] to [project] VBDC Project - Open ___edit schematics || File - Verify || ignore unconnected inputs ||____reconcile *all* errors and warnings ... | Save | Tools - Other Utilities - Create CBD | *never* incremental | Tools - Other Utilities - Packager | *never* update CDB |_____reconcile errors in partpkg.log ... edit BAMWASIS.BAM file remove INSTANCE flag(s) flatten paths (CHANGE statement(s)) (optional) remove pin number assignments VBDC Tools - Other Utilities - Back Annotation the *only* purpose is to apply dummy RefDes' assign page numbers to schematics ("flat" numbering) __edit RefDes: (4.3.3) style issues | zoom out | < left > PM < value >< enter > | "Uxxyy" where xx=flat page number, yy=1,2,3 | D804 is either the 4th diode on page 8, or it is near U804. | R804a, R804b, R804c are all resistors near U804. | C804 is the bypass cap for U804. |____repeat for all pages ... __edit InstanceNames (painful; mostly for simulation) | Property List | copy RefDes to InstanceName | hand-packaging: | RefDes=U804, InstanceName=U804a | RefDes=U804, InstanceName=U804b | RefDes=U804, InstanceName=U804c, etc. |____repeat for all pages ... __edit schematics if needed | Save | Tools - Generate Verilog | *never* incremental compile VBVLG ((4.5) simulation) | Change Dir | File - Open Setup | *never* save the "current" setup | *ONLY* "save-as", when *you* think you have something worth saving | Analyze | Simulate | Trace All Signals | Run (small time) | Waveform View | Add Signals | Save Nets | Close | Exit | Simulate | *Don't* Trace All | Waveform View | Load Nets | Run (big time) | Waveform View |____debug ... VBDC __edit schematics if needed | Save | Tools - Other Utilities - Create CDB | *never* incremental | Tools - Other Utilities - Packager | *never* update CDB edit BAMWASIS.BAM | remove INSTANCE flags | review changes (e.g. delete RefDes *changes*) VBDC | Tools - Other Utilities - Back Annotate |____repeat until BAMWASIS.BAM is empty ... VBPCB Integrate - Forward Annotate Database load + Netload Setup - Library Services get cells from I:\Apps\UofI\VBPCB\pcblib\pcb\local2d.ccl also get VIA406 (default via: 0.023 hole, .050 pad) Integrate - Forward Annotate Database Load + Netload Job Parameters default trace widths and clearances (typically 8+8) vias - default to VIA406 adjust layers as needed Level Display turn on level 41 - Origins Placement - (4.6.4) Place Components set (184.108.40.206) grid to 0.05 (gu=0.05) place connectors place ejector handles place other critical location components Level Display turn off level 41 - Origins Placement - Place Components set (220.127.116.11) grid to 0.05 (gu=0.05) silicon U804 probably should be near U805, etc. resistors by name, and by connectivity bypass caps C804 *is* for U804 Integrate - Forward Annotate Database load + Netload Route - Generate Netlines VBDC ___edit schematics | gate-swap by changing RefDes (and InstanceNames), | and delete PinNumbers | pin-swap by Rotate/Mirror, | or resequence connections | Save |__Tools - Other Utilities - Create CDB || *never* incremental || Tools - Other Utilities - Packager || *never* update CDB edit BAMWASIS.BAM || remove INSTANCE flags || review changes (e.g. delete RefDes *changes*) VBDC || Tools - Other Utilities - Back Annotate ||____repeat until BAMWASIS.BAM is empty ... VBPCB | Integrate - Forward Annotate | Database load + Netload | Route - Generate Netlines |_____repeat until hourglasses gone ... VBAE editor controls via (18.104.22.168) grid 0.05 (testability) route (22.214.171.124) grid none ___(4.6.5) autoroute | watch; kill when bored VBPCB | place route obstructs VBDC | edit schematics | gate/pin swap |__Tools - Other Utilities - Create CDB || *never* incremental || Tools - Other Utilities - Packager || *never* update CDB edit BAMWASIS.BAM || remove INSTANCE flags || review changes (e.g. delete RefDes *changes*) VBDC || Tools - Other Utilities - Back Annotate ||____repeat until BAMWASIS.BAM is empty ... VBPCB | Integrate - Forward Annotate | Database load + Netload VBAE | (4.6.5) autoroute |_____repeat until autoroute works nicely ... VBPCB Route - Interactive - Modify/Reroute Trace limited (4.6.6) post-route clean-up Route - (4.6.7) Pad Process delete all pads including unused, vias, mask, paste add all pads including unused, vias, mask, paste change pads VCC plane, pins and vias but not unused, VCC net only, change to thermal (pad code + 400) VCC plane, pins, vias and unused, all but VCC, enlarge nonthermal pads (pad code + 10) GND plane, pins and vias but not unused, GND net only, change to thermal (pad code + 400) GND plane, pins, vias and unused, all but GND, enlarge nonthermal pads (pad code + 10) mask layers, enlarge pads (thru pad code + 10; smt pad code + 0505) *DO NOT* Planes Process (4.6.8) power planes Plot - (4.6.10) Silk copy component outlines (only) to top and bottom Microstation - Palettes - Text (or Draft - Place - Text) place text on top/bot silk LV=53 or LV=54 (top/bot) TW=.08; TH=.08 AA=0 or AA=90 keep an eye on (and ink off of) the pads Microstation - Palettes - Text (or Draft - Edit - Text) review all levels add/adjust level title text as appropriate LV=30; adjust the project label/date (common to all plots) Plot - (4.6.11) NC Drill place legend Plot - (4.6.13) Plot Setup generate all extract apertures from gerber files (grep) build dcodes.txt file g2psnt - Gerber to Postscript print review ... edit support (126.96.36.199) files templates already in pcb_fab folder change project names for each change layup spec change artwork description (depending on number of layers) change request-for-quote quantities, number of holes, special handling look at everything, one more time ... copy to floppy FedEx because you are behind *way* schedule
See also the text discussion of (4.3.5) symbol creation.
VBDC Symbol - Open Name look at other symbols for inspiration Library your own local lib Type IC for gates Discrete for resistors, capacitors, small silicon Other for everything else Symbol - Menu try to leverage off of existing symbols Edit - Graphics - Attributes 0.002 linewidth standard Display - Grid 0.1 for pins, properties, and most line-art 0.005 for arbitrary text Properties - body Part Name - alphanumeric; visible Verilog Model - typically same as Part Name; invisible Simulation Model - typically same as Verilog Model; invisible CLASS - A for analog, AB for mixed (omit CLASS for digital); invisible Value - for discrete components only; typically default 0; visible Ref Des - place this property, but leave *blank*! (visible) *NO* Part Number (unless you have a good reason) Properties - each pin Pin Name - follow the manufacturer's name; invisible If you want a "visible" pin name, use arbitrary text attached to body *NO* Pin Number (unless you have a good reason) Pin Sequence Number - assign sequentially, anticlockwise, from upper left; invisible Save Tools - Other Utilities - ASCII Out select library, symbol *not* verbose output edit [library].inp file remove date-stamp from CELL_OPEN line(s) cut_paste into one of the existing source-libs in I:\apps\UofI\vbdc\libelec\symlibnt\source edit ascii_in.bat to reflect which lib to compile in I:\apps\UofI\vbdc\libelec\symlibnt\source ascii_in.bat move .slb up one level to I:\apps\UofI\vbdc\libelec\symlibnt
See also the text discussion of (4.4.2) pdb creation/editing.
There is one central PDB resource. Anything you create will remain local to you until reviewed, then it will be added to the central resource.
edit your [project]\pdc_src\[name]_pdb.txt file leverage off of I:\apps\UofI\vbpcb\pdb_src\*_pdb.txt pin names can be found from your [library].inp text file assuming you followed the (4.2.2) symbol creation process flow Regardless, pin names should follow the manufacturer's naming pin numbers from (1.1) databooks and vendor files pin/gate swapping, if you wish not critical, since most is done by editing the schematic don't forget power-pin symbols, for linear/interface parts %SYMB VDDPIN, etc. %VEND - when in doubt, "__manufacturers__" %INTERNAL - from the online (1.2.1) catalog or talk to Todd to get one assigned or "__manufacturers__" (the underscores are a flag to Todd) %TOPCELL - talk to Mike ***NEVER*** more than 6 uppercase alpha-numeric, even if you are not sure also look at refs\cells.txt pdb_comp.tcl will compile *_pdb.txt into cad.pdb *After* you make your board (and fix the mistakes :-) cut+paste your pdb text into one of the exiting *.pdb.txt files in I:\apps\UofI\vbpcb\pdb_src
See also the text discussion of (4.6.3) cell creation.
There is only one central cell library (cell names in refs\cells.txt); there is only one pin/pad table (outlined in refs\pinspads.txt and refs\smtpins.txt); there is only one nc-drill definition (outlined in refs\drill.txt); there is only one aperture list (outlined in refs\apwheel.txt). Cope with it.
If you do make your own cells, they must be created with the above in mind. Unlike symbols and pdbs, for which ASCII analysis is possible, cell review is very difficult, so it is important that they be created "correctly" from the beginning.
VBPCB - Cell Manager - Create Component name - talk to Mike and Vaidas limited 6 character name-space implies careful planning required when possible, copy from an existing cell pins pin/pad tables are predefined ultra tech: 1-199 ($$$ you better have a good reason $$$) high tech: 200-399 conventional thru pins: 400-599 low tech: 600-799 plated mounting holes: 800-899 nonplated holes: 900-999 SMT: 1001-9999 (xxyy for rectangles, dddf for round) do *not* assign pads choose the pin to determine the pad component outline only *no* placement outline RefDes th=tw=.08 16 chars place top side only Part Number th=tw=.08 16 chars exit origin on Pin 1
See also the text discussion of (4.3.1) seed projects .
A typical seed job consists of:
create folder in I:\apps\UofI\vbpcb\seeds\[seed] leverage off of an exiting seed rename/edit [seed].prj file: LIST Schematics(*.sbk) VALUE "[seed].sbk" and SECTION IngrElecDesignInfo KEY CDBDir "[seed].cdb" KEY ACEPlusDesignRootName "[seed].sbk" rename/edit [seed.sbk] typically, place primary connector on page 1 VBDC - Tools - Other Utilities - Create CDB *never* incremental VBPCB Board - Outlines - Modify define the board outline relevant to the seed family Draft - Edit Element on level 41, indicate pin-1 coordinates for standard connectors also on level 41, document "why" coordinates were chosen4.3) schematic capture