GPIO usage of HiFiBerry boards

You can find the latest version of this document on our main web site.

Was this article helpful?
2 out of 2 found this helpful
Have more questions? Submit a request


  • Avatar
    Georg Düsterhöft

    Seems to be a little outdated to me as my HifiBerry DAC+ HW 2.2 doesn't use Pin 38 at all (no connections from or to this pin).

  • Avatar
    HiFiBerry team

    No, this is completely correct. While this pin isn't connected, you can't use it is it is part of the sound subsystem and it is reserved.