Hardware Design - Footprints

Hi all,

I don’t think this question has been answered elsewhere, so I ask … I
found a request of someone who was asking for information about the
manufacturing of the PCB. Mine is to simplify the design. I have not
been able to work with the footprint. My tool needs the .olb files
associated with the project. Usually with ORCAD, I remember they are
disseminated everywhere, but you can find them in the hierarchy of
your project (at least their path) .

I am not very comfortable with ORCAD as I am not working with this
tool usually, but I managed to find a PC with ORCAD. I tested the
schematics provided, and I may open schematics, work with symbol,
open routed layout of the PCB, (commented, with manufacturing details
…) but, AFAK, we do not have the footprints of each component.

My tool needs those .olb to import completely the components. I hope I
am not missing a trivial step trying to do that from ORCAD. I may
import .olb, .max, .llb, .dsn but if I import a .dsn, I also need
the .olb.

I think it could be a real time-saving improvement for those who wants
to derive your work with the BeagleBoard (like me). I don’t think it
was deliberate to hide them, isn’t it ?

Anyway, the ORCAD files are pretty common to all the export/import
mechanism of all the other CAD tools, so I think it is the best manner
to share the hardware schematics. I hope we will see more open
hardware with this improvement.

So, please, could you package them and distribute this package on the
website ?

Are you talking the schematic symbols or the PCB footprints? We do not
use OrCAD for the PCB symbols. We use Allegro.

Gerald

If you can use the Allegro Footprints or OrCAD symbols they can be
downloaded from the TI website. They are towards the bottom of the page
under "More Literature".

http://focus.ti.com/docs/prod/folders/print/omap3530.html

Gerald

Hi all,

I don’t think this question has been answered elsewhere, so I ask … I
found a request of someone who was asking for information about the
manufacturing of the PCB. Mine is to simplify the design. I have not
been able to work with the footprint. My tool needs the .olb files
associated with the project. Usually with ORCAD, I remember they are
disseminated everywhere, but you can find them in the hierarchy of
your project (at least their path) .

I am not very comfortable with ORCAD as I am not working with this
tool usually, but I managed to find a PC with ORCAD. I tested the
schematics provided, and I may open schematics, work with symbol,
open routed layout of the PCB, (commented, with manufacturing details
…) but, AFAK, we do not have the footprints of each component.

My tool needs those .olb to import completely the components. I hope I
am not missing a trivial step trying to do that from ORCAD. I may
import .olb, .max, .llb, .dsn but if I import a .dsn, I also need
the .olb.

I think it could be a real time-saving improvement for those who wants
to derive your work with the BeagleBoard (like me). I don’t think it
was deliberate to hide them, isn’t it ?

Anyway, the ORCAD files are pretty common to all the export/import
mechanism of all the other CAD tools, so I think it is the best manner
to share the hardware schematics. I hope we will see more open
hardware with this improvement.

So, please, could you package them and distribute this package on the
website ?

Hi JP,

As Gerald mentioned on your previous post some days ago, the footprints are
available from TI in the Cadence Allegro format and the symbols in ORCAD
format.

The material can be downloaded from the TI pages with OMAP35xx information.
I.e. OMAP3530 data sheet, product information and support | TI.com or
Digital signal processors (DSPs) | TI.com
milyId=1526&documentCategoryId=5&techDoc=5

Most programs should be able to deal with these two formats...
If you are still missing stuff, I'm not sure I really understand your
problem :frowning: :slight_smile:

Best regards - I hope this helps?
  Søren

Hi Soren, hi Gerard

As I discussed with Gerard, I am not looking for the footprint of only
the OMAP. My CAD tool help me to do it with a wizard and yes I knew
that it was available on the OMAP product page on TI.com.

My problem (no, my suggestion ...) is that designing the board is not
an easy task and if all the footprints are available, it will
facilitate the reuse of your design.

Apparently, my real problem is to import the footprints from Allegro
to my tool (which is Altium or possibly Orcad). I am sure other
interested with the hardware either know how to do or will be
interested with the resolution of my problem. AFAK, Altium is able to
import dsn files, olb libraries are mandatory to import the
footprints, and for the brd file provided, it is not readable without
Allegro installed and the ASCII format is preferable.
So if someone know how to find them, import to Altium, export from
Allegro and have time to do so, ... please let me know.

Meanwhile, I already started to play with the wizard of Altium to
design the biggest footprints.

OH, and if anyone reading it want to share their experience designing
with the part we found on the BeagleBoard, they are welcome !

Thank both for your time.
Regards

JP

I will put the library, taken from the OrCAD schematic itself, and provide that as a separate package. I will do the same for the Allegro footprints. These will be provided under the same conditions as the other material, as is with no support. I will not provide any of this information in any other formats other than OrCARD OLB and Allegro footprints. This information will be for the Rev C2 only. I will not provide this package for any of the previous versions of the Beagle.

It will take me about 2-3 weeks to make this happen.

Gerald

Hi Gerald & JP,

Let me see if I can help save you some work. I have already imported the beagleboard schematics and board layout into Altium. They are available to anyone with the same conditions as Gerald described below; as is with no support. I believe the board layout is based on the RevB4 files I received from Gerald. I’ll update to RevC2 shortly after Gerald publishes them. Send me a direct e-mail if you want a copy.

Regards,

Thank you John! I was leaving it up to you to see if you were willing to do this.

Gerald

Thank you both !

I hope this will help the community. It will help me greatly.

JP