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DS90UH948-Q1: I2S application

Part Number: DS90UH948-Q1

Hi, Expert,

There is an application case regarding [removed], like to consult you. Sorry choose part number as" DS90UH948-Q1" due to no [removed] selection.

In my application, [removed] receive audio sent over the serializer I2S pins. There are some questions during read datasheet of [removed]:

1.  What's the mean of I2S_WC(word clock)? Is it right and left channel selection clock?

2.  4 channel data output(I2S_DA, I2S_DB, I2S_DC, I2S_DC) in [removed],  May I know what's the different between 1 serial data output and 4 ch data output? Any hints during application about 4 ch data output?

3.  Only 1 serial data input pin in the IC, which is used to receive I2S signal from [removed]. Is it OK we choose one of data output pin from [removed] to connect? Or any suggestion from you?

4. What's the mean of "I2S data word size"(Highlight in table)? does it same as pre sample bit?

Thanks in advance!