https://devzone.nordicsemi.com/f/nordic-q-a/85032/wm8960-i2s-easydmaHi, I am trying to interface WM8960 CODEC with nRF52832 using (I2S and I2C) . I am able to communicate with IC with TWI I want to transmit the const uint16_t wavedata[] = {...........} which is greater than 50000 data . I have tested this fileen-USTelligent Community 13Thu, 24 Feb 2022 09:41:15 GMThttps://devzone.nordicsemi.com/thread/354749?ContentTypeID=1Thu, 24 Feb 2022 09:41:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ee05c573-51f5-4182-a369-e95108d4a7f6Karl Ylvisaker<p>Hello,</p> [quote user=""]<p>I have tested this file with STM using the function <strong>HAL_I2S_Transmit_DMA(&amp;hi2s1,CurrentPos ,(uint16_t)(DMA_MAX(AudioRemSize));</strong></p> <p>I want to use I2s transmit in nrf52</p> <p>How to enable easyDMA here. and sending the data with the desired size;</p>[/quote] <p>Please see <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/i2s_example_loopback.html">the I2S example for a demonstration</a> of how to use the I2S peripheral.<br />I would recommend that you use nrfx I2S driver instead of the HAL functions directly.<br /><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/i2s.html#concept_gq4_jly_vr">The I2S peripheral always uses easyDMA</a>.<br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>