52840 SDK15, SPIM 32Mhttps://devzone.nordicsemi.com/f/nordic-q-a/38107/52840-sdk15-spim-32mHi！ I read datasheet: nRF52840 Objective Product Specification v0.5. It says 52840. When SPI is master, it supports 32MSPI. Which of the following examples can I refer to in SDK15? Or which of the following examples of your SDK packages can useen-USTelligent Community 13Tue, 04 Sep 2018 07:48:25 GMTRE: 52840 SDK15, SPIM 32Mhttps://devzone.nordicsemi.com/thread/147102?ContentTypeID=1Tue, 04 Sep 2018 07:48:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c33078da-8e53-4e90-85b4-8db40f0d335aKenneth<p>All data need to be in RAM, since the EasyDMA can&#39;t access Flash directly.</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>RE: 52840 SDK15, SPIM 32Mhttps://devzone.nordicsemi.com/thread/147079?ContentTypeID=1Tue, 04 Sep 2018 06:10:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:46b4dee2-34d9-4cb2-ae90-ae246baa5b39??<p class="tgt"><span class="tgt">Thanks for your advice and the information you provided. Now 32MSPI communication is available.</span><span class="tgt">Now I have a question to ask, send and receive</span></p> <p class="tgt"><span class="tgt">I can only put the buffer in the global data area, can&#39;t I store it in the const constant area?</span><span class="tgt">So let&#39;s say I need to display</span></p> <p class="tgt"><span class="tgt">Buf_one [size], this buf_one[size] can only be defined as unsigned char, not const unsigned char?</span></p><div style="clear:both;"></div>RE: 52840 SDK15, SPIM 32Mhttps://devzone.nordicsemi.com/thread/147044?ContentTypeID=1Mon, 03 Sep 2018 17:43:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:201a26f2-db78-4f54-a12b-b16a072c36ceKenneth<p>Hello,</p> <p>You are referring to a very old datasheet, you can download the latest from here:<br /><a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/chips/nrf52840.html?cp=2_0">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/chips/nrf52840.html?cp=2_0</a>&nbsp;</p> <p>The latest nRF5 SDK is v15.x:<br /><a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk/dita/sdk/nrf5_sdk.html?cp=4_0">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk/dita/sdk/nrf5_sdk.html?cp=4_0</a>&nbsp;</p> <p>You should be able to use this example as a starting point:<br /><a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.0.0/nrfx_spim_example.html?cp=4_0_1_4_5_37">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.0.0/nrfx_spim_example.html?cp=4_0_1_4_5_37</a></p> <p>Make sure you have a nRF52840-DK v1.x.x (not v0.x.x).</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>