# How do i change the MUX at the pinout of i.MX28

**URL:** <https://forums.digi.com/t/how-do-i-change-the-mux-at-the-pinout-of-i-mx28/15343>\
**Category:** Embedded Devices\
**Tags:** pinout, mx28, mux\
**Created:** [August 31, 2015, 8:12am UTC](https://forums.digi.com/t/how-do-i-change-the-mux-at-the-pinout-of-i-mx28/15343 "2015-08-31T08:12:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Curby](https://avatars.discourse-cdn.com/v4/letter/c/a3d4f5/32.png) [@Curby](https://forums.digi.com/u/Curby)\
**Post date:** [August 31, 2015, 8:12am UTC](https://forums.digi.com/t/how-do-i-change-the-mux-at-the-pinout-of-i-mx28/15343/1 "2015-08-31T08:12:55Z")

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Hello,

i am wondering how to change the pinout of the ConnectCard™ for i.MX28.

In the Hardware Reference Manual on page 13 you can see that every pin can handle different functions.

It’s changed with a mux configuration value. But i can not find a hint how to change this mux setting.

Any suggestions? Thanks 🙂 !

Nils

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**Author:** ![LeonidM](https://avatars.discourse-cdn.com/v4/letter/l/d26b3c/32.png) [@LeonidM](https://forums.digi.com/u/LeonidM)\
**Post date:** [August 31, 2015, 10:25am UTC](https://forums.digi.com/t/how-do-i-change-the-mux-at-the-pinout-of-i-mx28/15343/2 "2015-08-31T10:25:18Z")

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This is software configurable and depends on the OS you are using. Normaly by enabling one ephemeral and disabling the other is enough to let kernel (Linux) properly configure the GPIO

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**Author:** ![BrandiShklar](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@BrandiShklar](https://forums.digi.com/u/BrandiShklar)\
**Post date:** [April 18, 2022, 11:19am UTC](https://forums.digi.com/t/how-do-i-change-the-mux-at-the-pinout-of-i-mx28/15343/3 "2022-04-18T11:19:36Z")

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Hey thanks for the super helpful reply. I’m not sure how I missed that thread. I haven’t quite mastered the search function on here. I think I’ll pass with him this time around. If i want any further guideline we will contact you here [https://forums.digi.com/49401/how-do-i-change-the-mux-at-the-pinout-of-i-mx28](https://forums.digi.com/49401/how-do-i-change-the-mux-at-the-pinout-of-i-mx28) [https://floridaloteryresults.com/](https://floridaloteryresults.com/)