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ADAU1450 programming issue if over 1600 bytes

Question asked by henry-tang on Aug 31, 2017
Latest reply on Aug 31, 2017 by henry-tang

Hi ADI Expert,


I'm trying to use MCU to program ADAU1450 through I2C interface.


ADAU1450 won't have audio output if I program over 1600 bytes data into ADAU1450.

However, ADAU1450 works fine If I program less than 1600 bytes data.


If I use USBi tool to program ADAU1450 through SPI interface.

ADAU1450 works fine no matter data is over or less than 1600 bytes.


Can you please kindly help share your advise for this issue? Thank you very much!