https://devzone.nordicsemi.com/f/nordic-q-a/39223/using-qspi-as-traditional-spiHi everyone, My hw/sw configuration: - nRF52840 - sdk 15.0.0 - softdevice: s140_nrf52_6.0.0 I need to use 2 SPI and 2 I2C interfaces. Nrf52840 has - 3 SPI (spi0, 1, 2) - 2 I2C (i2c0, 1) - 1 QSPI If I use the 2 I2C interfaces, i canen-USTelligent Community 13Mon, 08 Oct 2018 09:29:15 GMThttps://devzone.nordicsemi.com/thread/151994?ContentTypeID=1Mon, 08 Oct 2018 09:29:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:396c5e69-f9fd-4f0a-8318-95d443ee5994ketiljo<p>Correct!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/151985?ContentTypeID=1Mon, 08 Oct 2018 08:51:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:49b478e9-d10d-4320-b87e-b49252fde537leoc7<p>Many thanks! Sorry for this lack!<br />In this way, I can use TWI0, TWI1 and SPI2, SPI3 concurrently! Is it correct?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/151984?ContentTypeID=1Mon, 08 Oct 2018 08:47:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1db1dc77-cabc-41e4-80e5-1be2b5396f2eketiljo<p>The nRF52840 has 4 SPI interfaces, see the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52840.ps/spim.html?cp=2_0_0_5_24_4#concept_twi_low_power">PS</a>&nbsp;where SPI 0 and 1 share the base address with TWI 0 and 1.</p> <p>QSPI can&#39;t be used as normal SPI.&nbsp;</p><div style="clear:both;"></div>