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Doubt in Tiva C launchpad schematics

Daniel Noriega
Prodigy 40 points

Hi, I have a little dumb doubt after cheking the schematics of Tiva C launchpad and it is, what are those H1, H2, H20, H21, H23, H24 etc, marks?? They just appears once on the whole document, and after googling a bit and searching on these forums I couldn't find any clue.


  • 0
    TI__Guru**** 244400 points
    Hello Daniel,

    Check which line the header pins are connected to. That will tell what is on the header. E.g. H1 is connected to /HIB signal. So it can be used to check if the device is in Hibernate State or not.

    Regards
    Amit
  • 0 in reply to Amit Ashara
    Prodigy 40 points
    Did you mean to check it on the sheet or in the launchpad?? The thing is, in the document is obvious that H1 is /HIB, but why they mark it as H1?? maybe, have I access to a H1 pin?? I've already check some headers and they doesn't match any pattern (I thought, maybe J1 contains H1-H10 pin headers, J2 H2-h20 and so on) neither are marks such as any HXX on the launchpad board.

    Btw, I have this doubt because there are several pads on the launchpad that are not labeled and I want to know what does pads are for.
  • 0 in reply to Daniel Noriega
    TI__Guru**** 244400 points
    Hello Daniel,

    OK. Now I get it and you are right. Not all of the points have been marked on the silkscreen. May be I can check up the data base and see if I can post an image on the forum for reference, while we correct the document.

    Regards
    Amit