https://devzone.nordicsemi.com/f/nordic-q-a/59516/m33Cortex M33 applications on the Thingy-91 - are we able to write any application program that would normally run on a standard M33 ARM processor (off the shelf) - or are there constraints imposed for this product due to its high integration with the radioen-USTelligent Community 13Mon, 30 Mar 2020 14:35:07 GMThttps://devzone.nordicsemi.com/thread/242482?ContentTypeID=1Mon, 30 Mar 2020 14:35:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e56acd0a-3ad1-4316-9a87-cbca50ffea37Martin Lesund<p>Hi Gregory,<br />You could use the m33 application core as you normally would for a &quot;standard M33&quot;.</p> <p>If you e.g. want to run another OS than we provide in <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/index.html" rel="noopener noreferrer" target="_blank">NCS</a> you <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfxlib/bsdlib/doc/ug_bsdlib_porting_os.html" rel="noopener noreferrer" target="_blank">could follow this guide</a> if you want to enable the Bsdlib to be able to easily integrate the communication with the modem.<br />We do however recommend using NCS with nRF9160 for better support by Nordic and then you also would not need to &quot;reinvent&quot; the wheel when we already have drivers and libraries integrated into our nRF Connect SDK (NCS), and you also get much for free with <a href="https://github.com/NordicPlayground/fw-nrfconnect-zephyr/tree/master/drivers" rel="noopener noreferrer" target="_blank">the Zephyr OS</a>.<br />If you want to use something else then you can do that, but then you need to integrate that yourself.</p><div style="clear:both;"></div>