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USB_FS PIN in CC2538

Nalves
Intellectual 880 points
Other Parts Discussed in Thread: CC2538

Hello,

Actually i try to develop a USB dongle with CC2538, but i'm having some problems with USB communication PINs. I try my software in cc2538-cc2592 EM (only change tjhe USB_FS pin for PC0) and works perfectly, but in my board i use the USB_FS in PC7 pin and doesn't work. Can someone tell me if it is possible to change that PIN from PC0 to PC7, and if it isn't possible, why?

Best regards

Nuno alves

  • 0
    TI__Expert 3050 points

    Hi Nuno,

    Please make sure that you modify all the relevant code sections, e.g. pin configurations, to much the new pin you selected. For example, there may be a function that controls the pull-up on the D-Plus line, which is referring to PC0, which you will need to update accordingly (to configure PC7 instead). There may be other places as well.

    Best regards,

    OD