Part Number: TLV320AIC3111EVM-K
Dear all,
I am working on TLV320AIC3111 EVM board. I am using external micro-controller for audio CODEC configuration (in I2S mode) and to retrieve audio data. MCLK(2.048 Mhz), BCLK(256 Khz), WCLK (16 Khz) are provided through I2S module of the controller. I am sending audio data over USB for debugging purpose but the audio that I am listening to is high frequency version of the input audio. I have configured USB for 16 Khz audio rate and I am using audacity software for recording purpose. I am able to listen to music on audio jack of EVM, so I am sure about configuration settings of audio CODEC. I think there is problem with I2S settings. So can you suggest appropriate I2S settings for this audio CODEC. I have listed down few of them with default values.
Frame length, the number of BCLK clocks for each audio frame = 32 bit
Frame synchronization active level length = 16 bit
I2S frame synchronization clock strobing edge sensitivity = RISING EDGE
Frame synchronization Polarity = active low
Frame synchronization Offset = Before first bit
Position of first data transfer bit in the slot = 0
Slot size = 16 bit
Number of slot in the audio frame = 2
Slots in audio frame that will be activated = slot 0
Frame synchronization Offset = before first bit
Thank you.