https://devzone.nordicsemi.com/f/nordic-q-a/17406/nrf_drv_spi_transfer-returns-0-with-easy-dmaHi, I&#39;ve got some really simple code I&#39;ve been trying to get working with SPI on nRF52 (while also using SoftDevice): ///MISO, MOSI, SCK set, but SS not err_code = nrf_drv_spi_init(&amp;spi0, &amp;spi_config, NULL); // and later, repeated calls to:en-USTelligent Community 13Tue, 01 Nov 2016 12:02:48 GMThttps://devzone.nordicsemi.com/thread/66905?ContentTypeID=1Tue, 01 Nov 2016 12:02:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:30d1def1-b83a-4466-a64c-20d20654cc93Gordon<p>Ahh, then yes - I have 6k of them at the CM&#39;s :) Thanks again for the great help and advice.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/66904?ContentTypeID=1Tue, 01 Nov 2016 11:59:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d7485af5-9e5d-45da-babf-852a403be6fdPetter Myhre<p>It is very likely, it is the only revision that is production ready.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/66903?ContentTypeID=1Tue, 01 Nov 2016 11:29:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f6570606-a58e-42d1-a4e7-a9f1f2654564Gordon<p>Aha - thanks! So this is present in <code>nRF52832 Rev 1</code> - Is that likely to be in the chips that I&#39;m using in production, or is just my PCS10040 V1.1.0 devkit?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/66902?ContentTypeID=1Tue, 01 Nov 2016 11:19:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:08701649-5ff4-421c-830c-59be3fdaf8e1Petter Myhre<p>I believe you are experiencing <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.Rev1.errata/anomaly_832_58.html?cp=2_2_1_0_1_8">Errata 58</a>. You can confirm with a logic analyzer.</p><div style="clear:both;"></div>