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ADPD sample drop interfaced with microcontroller

Category: Software
Product Number: ADPD4100

Hi,

I have interfaced adpd4100 with a 32-bit controller over SPi and drivers are written as per the datasheet and official git repo.

Communication is happening properly so are read-write operations.

Though I am trying to read FIFO iteratively and store values over a cycle of 500ms, and printing timestamp in the console as soon as it's completed.
My issue is that there are 500ms drops happening over maybe a minute or less.

I have attached logged file for reference.

My test setup is:

3V3 microcontroller <> 3V3 to 1V8 level translator <> adpd4100

XLSX

Regards,

Anurag