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colm
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2 years ago

Agilex 7 I-series EMIF toolkit conflicting results

Hello, We have a custom board with AGIB022R31B2E1V implementing 4 identical EMIF interfaces. When tested with the EMIF toolkit for re-calibration and margining, we got conflicting results. First,...
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colm's avatar
colm
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2 years ago

Hi Adzim, Let's discuss this over the IPS platform. I already uploaded more information over there.

Thanks and Best Regards,

Colman

colm's avatar
colm
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2 years ago

The problem is resolved and I just want to close the loop here. The root cause is that the clock driver to the EMIF reference clock was not set up correctly and caused some EMIF channels calibration failures. The confusing part was that EMIF toolkit reported calibration success, but margining info were missing. Once the clock driver is setup correctly, everything works fine.