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Adau1701 bluetooth i2s

SigmaDSP & SigmaStudio gogocart Dec 17, 2020 00:00 0 replies Original on forum ↗
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gogocart Question
Dec 17, 2020 00:00

I'm developing an amplifier board, and i want to stream stereo sound to the adau1701 via a Bluetooth module (nrf52832).

i want the DSP to work as a master since I already have a crystal connected to it. I know, for i2s, I have to connect a Lrclkout (Mp10) and Bclkout (Mp11) to the Bluetooth module, and read SDIN (Connected to MP0) from it.

What I am unsure of, is if I should connect Lrclkout and Bclkout to Lrclkin (MP4) and Bclkin (MP5) too? The datasheet says to connect them if I'm running an external adc, I just don't know if that applies to a Bluetooth module too. and is there anything else i should be aware of when using the adau1701 for i2s applications

Audio Signal Processors

bluetooth

i2s_output

i2s input

SigmaDSP Audio Processors

adau1701

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