https://devzone.nordicsemi.com/f/nordic-q-a/24665/spi-chip-select-apiHello All I am using Soft device 130 and SDK version 12.2.0 ..i am planing to make SPI camera Interface . I referring SDK online document..there is no any API for slave chip select could you plz guide me Thanks Ameeren-USTelligent Community 13Fri, 25 Aug 2017 12:33:14 GMThttps://devzone.nordicsemi.com/thread/97089?ContentTypeID=1Fri, 25 Aug 2017 12:33:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:08671105-bc7d-464b-811e-75b0e5b528e2Turbo J<p>Just use a GPIO in output mode, assuming the camera is the SPI slave.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/97090?ContentTypeID=1Fri, 25 Aug 2017 10:58:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:53547a73-aa43-4a0c-8e8b-b01422bf54f4J&#248;rgen Holmefjord<p>Hi,</p> <p>Please have a look at the different options you have, mentioned in <a href="https://devzone.nordicsemi.com/question/157676/interfacing-two-slaves-on-spi-master/?answer=157787#post-id-157787">this thread</a>. If you choose to go for option #3, you can have a look at my suggested implementation in <a href="https://devzone.nordicsemi.com/question/157920/a-nrf52-function-mapping-to-nrf51/?answer=157948#post-id-157948">this answer</a>.</p> <p>Best regards,</p> <p>Jørgen</p><div style="clear:both;"></div>