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De_smit  
#1 Posted : Monday, October 31, 2016 8:21:17 PM(UTC)
De_smit

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Joined: 2/9/2014(UTC)
Posts: 1
Netherlands

I'm using the WM8804 receiver in combination with a double mono COD DAC at the moment. All connected according the provided instructions.
Now, I like to do some experiments with a minidsp in combination with both boards and using the digital in and out with I2S protocol.

As a first step I like to connect the WM8804 module. I did not tested it yet, but before opening my system I like to better understand the following. according to the minidsp documentation, this unit should have a fixed master-clock of 12.288mhz. The WM8804 module has a 12.000mhz crystal.
Can the WM8804 be a slave from the minidsp and follwing the master-clock of the dsp? Or is it better to change the crystal (if possible) to 12.288mhz on the WM8804 module and make the dsp slave?

Thanks!

Frank
Russ White  
#2 Posted : Sunday, November 27, 2016 2:25:50 AM(UTC)
Russ White

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Joined: 10/24/2006(UTC)
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Location: Nashville, TN

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Great question - the honest answer is - I don't know... But if it were me I would try using the stock clock with no changes in master mode.

I can only point you here:

https://www.cirrus.com/e...atasheet/WM8804_v4.5.pdf
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