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IKovr1's avatar
IKovr1
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6 years ago

Arria 10 DDR4 SODIMM calibration fails occasionally. How to remove this bug?

We have 2 Banks DDR4 SODIMM on our board connected to 10AX115H3F34E2SG. After Arria10 configuration we start Calibration process for both memory banks. For Menory Bank A calibration always pass, but ...
IKovr1's avatar
IKovr1
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6 years ago

Thank you for reply.

We running user logicat quarter rate (225 MHz)

Yes we know about EMIF Debug Toolkit .

At the moment when the bank is not calibrated, we see deviations along some lines.

But when the bank starts to calibrate after a series of Reset signals, then we see that everything is normal.

This situation occurs randomly.

At first we will try decrease memory frequency and use half rate at user logic

Best Regards

Igor