I am working on a CP2615-EK-2 board. The DAC output of the board is connected to an Audio amplifier. when I plug the EVK USB cable into the PC, I can hear a pop noise coming from the speaker. The same noise comes after any audio stops playing. this is not a problem with the amplifier because I can hear the same noise when I plugged the headphone into the EVK audio jack. so is there any other way like changing the eI2S codec configuration from simplicity studio or by making any filter circuit?