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I am having trouble reading the offset register on the AD7799

Question asked by scottdky on Feb 27, 2018
Latest reply on Mar 2, 2018 by scottdky

In my project, I have been using the AD7799 and communicating via an AVR microcontroller. I have had no trouble with communication until recently (for months). I am not aware of any changes in the firmware, and none in the hardware. When the trouble first started, I thought I had damaged the board of the AD7799 chip. I have tried both replacing the chip (and some other components) and building a completely new board - same problem.

 

I can query the chip about all the registers without problems, except the offset register. Is there anything you can think of that would cause problems with this register only?

 

Thanks,

Scott

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