Does the CS8412 input I2S?

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Using the above linked circuit will NOT convert SPDIF to IIS.

Spdif is a serial format with embedded clock and protocol information contained within the serial data. IIS is a different sort of 'serial' format. There are two clocks - BCK, a bit clock, to clock each bit of the signal in, LRCK, to determine if the data is left or right channel information, and DATA the data.
The data has no packet information, or error correction. It is pure music information data for both channels.

You will need a protocol adaptor. Look at AKM (Asahi Kasei) semiconductor, they make several types. A DIR is the input (SPDIF to IIS) transceiver, the DIT is the output (IIS to SPDIF) transceiver.

Hope this helps,

apollyon25
 
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