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I2S Problems
I2S Problems
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Old 18th March 2003, 04:47 AM   #41
rfbrw is offline rfbrw
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Join Date: Oct 2001
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Do you have the datasheet for the EP7212?. If not the datasheet for the EP7212 states that the format for the DAI (Digital Audio Interface) is a subset of the I2S format. It is fixed at 44K1 and has bitclock of 128Fs yielding 128 bit clock cycles per L/R frame. Data is MSB or Left justified without the one cycle delay associated with I2S. There would appear to be a conflict between the text and the diagram as regards LRCLK. The diagram shows LRCLK=H as signifying L channel data but the text states otherwise.
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Old 18th March 2003, 05:28 AM   #42
maczrool is offline maczrool
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Join Date: Oct 2002
Location: Tennessee, USA
I haven't been able to locate the EP7212 datasheet until just now. I will have to read through it. So it sounds like maybe the two (EP7212 and CS8420) are incompatible? I have tried all the formats the CS8420 and CS8405 support and none of them work right.

I'll still try some resistors, but I don't think they will help.

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