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TMDXEVM5515: How to use the onboard tlv320aic3204 instead of front end for the digital stethoscope medical development kit

Part Number: TMDXEVM5515

Hello,

Recently i have been working on the TMS320c5515 Evaluation board. I have been looking into the chip support library and their examples. They are pretty good .  In that there are example for interfacing the onboard audio codec tlv320aic3204 through I2s and its working fine taking the stereo input and giving headphone out. Currently I am trying to run the Digital Stethoscope medical development kit designed for EVM5515. It uses an anolog front end whose work is mostly to take the audio input from mic. 

So is there any way that i can use the onboard tlv320aic3204 instead of the analog front end as i think that their purpose serves the same?

Thanks

yashwant kumar

Electrical Engineering, IIT Bombay