https://devzone.nordicsemi.com/f/nordic-q-a/26539/nrf52840-spis-transmit-failureWe are using nRF52840 as SPI slave and imx7 as SPI master. Data sent by imx7(master) is received at nRF52840(slave) correctly, however the data sent by slave is not received at master (MISO) correctly. Two bytes of data namely 0x55 and 0xAA is clockeden-USTelligent Community 13Fri, 03 Nov 2017 08:01:28 GMThttps://devzone.nordicsemi.com/thread/104405?ContentTypeID=1Fri, 03 Nov 2017 08:01:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5f926190-e968-4639-a69a-a7ef94c17fbeJ&#248;rgen Holmefjord<p>Thank you for reporting back the solution!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/104404?ContentTypeID=1Fri, 03 Nov 2017 07:00:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8f09380c-c06f-48b8-b9e1-8ee440f562a6Bhupinder Singh<p>We found the problem. The problem was MISO pin of master was sending some data due to which the level of MISO data was corrupting.</p> <p>Thank you.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/104403?ContentTypeID=1Fri, 03 Nov 2017 03:57:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9a141df9-1eb1-40d1-9fd6-645f8be18002RK<p>start by checking you hav ea common ground between the slave and master</p><div style="clear:both;"></div>