nRF52840 DK - Unable able to use SAADC, Timer0 and APP USB CDC ACM together?https://devzone.nordicsemi.com/f/nordic-q-a/48370/nrf52840-dk---unable-able-to-use-saadc-timer0-and-app-usb-cdc-acm-togetherHi, I currently have a project which triggers a series of SAADC readings from the Timer0 interrupt handler. This part of my program works as expected, however, to add more functionality I&#39;ve looked to integrate the USB CDC ACM example as a means ofen-USTelligent Community 13Tue, 11 Jun 2019 16:01:51 GMTRE: nRF52840 DK - Unable able to use SAADC, Timer0 and APP USB CDC ACM together?https://devzone.nordicsemi.com/thread/192150?ContentTypeID=1Tue, 11 Jun 2019 16:01:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c3525b81-d42f-43b0-ab52-53973c5b60fdKenneth<p>Have you looked at the list of known Errata&#39;s:<br /><a href="https://infocenter.nordicsemi.com/topic/struct_nrf52/struct/nrf52840_errata.html?cp=3_0_1">https://infocenter.nordicsemi.com/topic/struct_nrf52/struct/nrf52840_errata.html?cp=3_0_1</a>&nbsp;</p> <p>Revision is typically found by looking at the markings on the top of the IC:<br /><a href="https://infocenter.nordicsemi.com/topic/comp_matrix_nrf52840/COMP/nrf52840/nRF52840_ic_revision_overview.html?cp=3_0_3_0">https://infocenter.nordicsemi.com/topic/comp_matrix_nrf52840/COMP/nrf52840/nRF52840_ic_revision_overview.html?cp=3_0_3_0</a>&nbsp;</p><div style="clear:both;"></div>RE: nRF52840 DK - Unable able to use SAADC, Timer0 and APP USB CDC ACM together?https://devzone.nordicsemi.com/thread/191797?ContentTypeID=1Mon, 10 Jun 2019 09:17:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:673d53ea-a48e-4e95-b1b3-25a4145d55e2AaronDerb13<p>Thank you, I was aware that this timer was used by the softdevice. Not an issue at the minute as I&#39;m just using USB CDC as transport.&nbsp;</p> <p></p> <p>Thanks,</p> <p>Aaron</p><div style="clear:both;"></div>RE: nRF52840 DK - Unable able to use SAADC, Timer0 and APP USB CDC ACM together?https://devzone.nordicsemi.com/thread/191768?ContentTypeID=1Mon, 10 Jun 2019 04:42:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f3e23d28-8e50-49a1-ac40-ae3f1b5e1216natersoz<p>As for Timer0 that is a hardware peripheral reserved for use by the softdevice.</p> <p>See <a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fstruct_nrf52%2Fstruct%2Fs132.html&amp;cp=3_4_1">https://infocenter.nordicsemi.com/index.jsp?topic=%2Fstruct_nrf52%2Fstruct%2Fs132.html&amp;cp=3_4_1</a></p> <p>I&#39;m not certain if you are using the softdevice, but if you are, then use a different timer.</p><div style="clear:both;"></div>