https://devzone.nordicsemi.com/f/nordic-q-a/20601/zephyr-is-slave-i2c-supported-in-zephyrWe need to expose an Slave-mode I2C (TWI) interface in Zephyr. While the SDK support slave-mode I2C, I don&#39;t see it in Zephyr. Am I missing something?en-USTelligent Community 13Mon, 20 Mar 2017 09:36:55 GMThttps://devzone.nordicsemi.com/thread/80289?ContentTypeID=1Mon, 20 Mar 2017 09:36:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d651fc57-1ee9-45d1-bcda-2742cf788c54J&#248;rgen Holmefjord<p>Hi,</p> <p>If you look at the <em>&quot;supported boards&quot;</em>-pages of the Zephyr documentation, I2C is not listed as a supported feature of the <a href="https://www.zephyrproject.org/doc/boards/arm/nrf51_pca10028/doc/nrf51_pca10028.html#">nRF51-PCA10028 (nRF51-DK)</a> and the <a href="https://www.zephyrproject.org/doc/boards/arm/nrf52_pca10040/doc/nrf52_pca10040.html">nRF52-PCA10040 (nRF52-DK)</a> yet.</p> <p>Best regards,</p> <p>Jørgen</p><div style="clear:both;"></div>