# Another use for USB I/Os

**URL:** <https://forum.sierrawireless.com/t/another-use-for-usb-i-os/1980>\
**Category:** Legacy AirPrime modules\
**Created:** [March 10, 2008, 1:34pm UTC](https://forum.sierrawireless.com/t/another-use-for-usb-i-os/1980 "2008-03-10T13:34:00Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Edson\_Bestvina](https://avatars.discourse-cdn.com/v4/letter/e/839c29/32.png) [@Edson\_Bestvina](https://forum.sierrawireless.com/u/Edson_Bestvina)\
**Post date:** [March 10, 2008, 1:34pm UTC](https://forum.sierrawireless.com/t/another-use-for-usb-i-os/1980/1 "2008-03-10T13:34:00Z")

</div>

I need help. if I not use the USB hardware, the pins USB-DP and USB-DP can be used as I/Os ? Or this pins are exclusively used for USB? The WMP100 datasheet do not explain about this.

---

<div class="post-metadata">

**Author:** ![awneil](https://avatars.discourse-cdn.com/v4/letter/a/49beb7/32.png) [@awneil](https://forum.sierrawireless.com/u/awneil)\
**Post date:** [March 10, 2008, 3:18pm UTC](https://forum.sierrawireless.com/t/another-use-for-usb-i-os/1980/2 "2008-03-10T15:18:05Z")

</div>

> [@Edson Bestvina](#):
>
> The WMP100 datasheet do not explain about this.

They are marked as not multiplexed in the pinout table - so that means they don’t have an alternate function.

---

<div class="post-metadata">

**Author:** ![Edson\_Bestvina](https://avatars.discourse-cdn.com/v4/letter/e/839c29/32.png) [@Edson\_Bestvina](https://forum.sierrawireless.com/u/Edson_Bestvina)\
**Post date:** [March 10, 2008, 4:22pm UTC](https://forum.sierrawireless.com/t/another-use-for-usb-i-os/1980/3 "2008-03-10T16:22:03Z")

</div>

Ok. I understand now. Thanks.

> [@awneil](#):
>
> > [@Edson Bestvina](#):
> >
> > The WMP100 datasheet do not explain about this.
> 
> They are marked as not multiplexed in the pinout table - so that means they don’t have an alternate function.
