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Andrey_Fazan's avatar
Andrey_Fazan
Icon for New Contributor rankNew Contributor
4 years ago

calibration of ddr4 interface on 10AX066H4F34E3SG

Hello! I'm trying to implement DDR4 40bit-wide interface with 3 devices MT40A512M16LY-062E. When I connect only one of 3 devices to the project, calibration and data exchange do well, but when I conn...
AdzimZM_Altera's avatar
AdzimZM_Altera
Icon for Regular Contributor rankRegular Contributor
4 years ago

Hi Andrey,


Thank you for sharing those files.


It's looks like the sdram_a cannot be worked when enabling 16bit and combing with other memory.

I'm not sure what is the reason for that but I think it's could be related with the voltage.

So can you probe on your board at the sdram_a[7...0] and sdram[15...8] to analyze the voltage?


Regards,

Adzim