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AD7175-2BRUZ, read the ID-Register does not work

Question asked by BenjaminH89 on May 24, 2016
Latest reply on May 25, 2016 by JellenieR

Dear support team,

 

I would like to drive a AD7175-2BRUZ. I use a ATMEGA328P as SPI-Master. Unfortunately, I get the not the right answer "0x0CDX" when I read the ID register. The answer I get is "0x09" and "0x70". What am I doing wrong?

The ARDY has after the reset a frequency of about 250 kHz. Is not that too fast?

 

Settings:

- SPI Mode 3

- MSB first

- SPI clock 8Mhz

 

Best regards

Ben

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