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Unable to write/read from  ADAU1450 DSP

Question asked by binu on May 24, 2016
Latest reply on Jun 2, 2016 by Z0mb13

I am not getting any data from Sigma, when i try to read data from a memory location through SPI


The following procedures were done

- MCLK =12 Mhz

- made the reset (pin 24) high ,

-To make Sigma in SPI mode three dummy Spi writes are done

-Soft reset performed by writing to 0xF890

-To write data was sent as "0x00 <Memory Address> <Data>"

-To read data was sent as "0x01 <Memory Address>"


Is there any error in my approach? Baud rate is 4Mhz

Please suggest a way to check if DSP is working...