https://devzone.nordicsemi.com/f/nordic-q-a/115700/multi-master-i2c-on-52833Hi, I am working on a project that uses nrf52833 as one of I2C master to communicate with few I2C slave devices. Meanwhile there is another MCU (stm32H7) on the same bus as the second master that also talking to one of the slave device. The hardwareen-USTelligent Community 13Tue, 22 Oct 2024 09:37:22 GMThttps://devzone.nordicsemi.com/thread/507298?ContentTypeID=1Tue, 22 Oct 2024 09:37:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e83a052f-f345-44a2-84d1-be30108a6752rolandash<p>thanks for the clarification. I need to sort out other way then.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/507296?ContentTypeID=1Tue, 22 Oct 2024 09:23:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b8edd9e1-b49d-4714-b9e3-01b188024287Hung Bui<p>Hi Roland,</p> <p>If you have a look at the product specification you can find that the TWI master on the nRF52 doesn&#39;t support multi master unfortunately:&nbsp;<br /><img style="max-height:240px;max-width:320px;" alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/zzcs.PNG" /></p><div style="clear:both;"></div>