Problem Writing data to AD5680

Hello All,

 

I need some help on working with AD5680, I am writing configuration bits but no update i output it is always 0. Bellow I am attaching graphs at the input of AD5680 and schematic that we are using. I need some help to figure out what we are doing wrong and what should be the sequence of operations? May be we are missing something.

attachments.zip
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