# In XBIB-U-SS development board P3 pins usage

**URL:** <https://forums.digi.com/t/in-xbib-u-ss-development-board-p3-pins-usage/23220>\
**Category:** Interface/Development Boards\
**Tags:** xbib-u-ss\
**Created:** [September 6, 2022, 8:34am UTC](https://forums.digi.com/t/in-xbib-u-ss-development-board-p3-pins-usage/23220 "2022-09-06T08:34:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BinduSubramanyam](https://avatars.discourse-cdn.com/v4/letter/b/7c8e57/32.png) [@BinduSubramanyam](https://forums.digi.com/u/BinduSubramanyam)\
**Post date:** [September 6, 2022, 8:34am UTC](https://forums.digi.com/t/in-xbib-u-ss-development-board-p3-pins-usage/23220/1 "2022-09-06T08:34:17Z")

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I need to progrAM from XBee. can i use P3 pins. If yes can you please suggest me the usages of those pins

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**Author:** ![mvut](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.digi.com/mvut/32/31_2.png) [@mvut](https://forums.digi.com/u/mvut)\
**Post date:** [September 6, 2022, 2:13pm UTC](https://forums.digi.com/t/in-xbib-u-ss-development-board-p3-pins-usage/23220/2 "2022-09-06T14:13:05Z")

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P3 is for using a BDM programmer for Programming the Secondary processor on the XBee S2C and XBee 900 HP products. It is not for uploading of a Profile with. That is done using the USB port.