https://devzone.nordicsemi.com/f/nordic-q-a/21111/spis-1-miso-no-outputI have spent almost one day trying to make sense of that. NRF52832 is SPI Slave, based on your examples/peripheral/SPIS/pca10040 sample SDK v12.2.0 board DK PCA10040 I am using instance 1. Instance 0 is not used. Everything works except thaten-USTelligent Community 13Wed, 05 Apr 2017 09:07:24 GMThttps://devzone.nordicsemi.com/thread/82587?ContentTypeID=1Wed, 05 Apr 2017 09:07:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ff76dc67-b8a5-4699-9492-ec509095e8cdlaurentc<p>I have solved the problem. It was a problem on my HW side.</p> <p>There is however something else that looks strange</p> <p>Even though the config is supposed to apply a pull-up on CS, it does not.</p> <p>.csn_pullup = NRF_DRV_SPIS_DEFAULT_CSN_PULLUP seems to have no effect.</p> <p>you might close that subject, rename it or even delete it except if the NRF_DRV_SPIS_DEFAULT_CSN_PULLUP issue is really an issue.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/82586?ContentTypeID=1Wed, 05 Apr 2017 08:02:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:289ecdf1-c4be-472d-9eb7-a24bbe0d7cd3FormerMember<p>In sdk_config.h, try to enable SPI1 instead of SPI0 and check if that changes anything: <img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/1830.spi1.png" alt="image description" /></p><div style="clear:both;"></div>