https://devzone.nordicsemi.com/f/nordic-q-a/110945/how-do-i-know-if-the-i2s-transmission-is-finishHi: I am currently waiting for 2ms before stopping I2S.But I want to stop it after completing the event through I2S, rather than through delay. And I don&#39;t know when it will be completed in data_handler.en-USTelligent Community 13Tue, 07 May 2024 14:19:03 GMThttps://devzone.nordicsemi.com/thread/482328?ContentTypeID=1Tue, 07 May 2024 14:19:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:69bfbc2f-c31f-40ce-bdb9-231d7350bab3Karl Ylvisaker<p>Hello,<br /><br />Is your intention to stop the I2S and uninit the peripheral once the last transfer has happened?<br />If so, you can use <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/group__nrfx__i2s.html#ga7dc384938b71bd6ab01b52e9d729231b">the nrfx_i2s_stop call</a>&nbsp;to stop the I2S peripheral (<a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/i2s.html#topic">generating the STOPPED event</a>), and then the call to <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/group__nrfx__i2s.html#gaa242485db25164dc26742d90490a40b7">nrfx_i2s_uninit to uninit and power down the peripheral</a>.<br /><a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/hardware_driver_i2s.html">You can read more about the I2S peripheral&#39;s usage specifically here</a>.<br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>