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DS90UB948-Q1: DS90UB948-Q1 I2S direction

Part Number: DS90UB948-Q1

Hello,

Customer wants to send I2S data from display(DS90UB948-Q1) to headunit(DS90UB947-Q1). From the datasheet description, I2S port in deserializer is output and I2S port in serializer is input. Is there any other solution to send I2S data in reverse direction?

And, when only 1 I2S data input(I2S_DA) is required, can other I2S input pins(I2S_DB – I2S_DD) be used as normal GPIOs or register only GPIO?

Regards,

Sam

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