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ADAU1442 master of two sample rate domains

Question asked by tompdx on Aug 1, 2013

I have the following configuration

 

SDATA0  - 16KHz Sample Rate - ADAU1442 is Master - Flexible TDM

SDATA1  - 48KHz Sample Rate  - ADAU1442 is Master - TDM2

SDATA2  - 48KHz Sample Rate  - ADAU1442 is Master - TDM2

SDATA3  - 48KHz Sample Rate  - ADAU1442 is Master - TDM2

 

I am confused how to set this up.

 

I have used a standard input/output block for my I/O that are for SDATA1, SDATA2, SDATA3, and I set that input block at 48KHz

I have used the ASRC input/outpout blocks for my I/O that is for SDATA0, and set that ASRC input block to 16KHz

 

Is this close to being correct?  If so, how do I set up the Master/Slave & Clock Domains?

 

This seems like it should be very simple, but I'm missing something.

 

TLDR; How do I set up the ADAU1442 so that it generates a 16KHz sample rate on SDATA0, and a 48KHz sample rate on all other I/O?

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