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

Hi!
just to make sure , do you use the 240 resistor as RZQ resistor on your board ? - Yes, we use it

So can you probe on your board at the sdram_a[7...0] and sdram[15...8] to analyze the voltage? - Everything with voltage is fine, but we need to update our board, so I will tell later about results

Thank you!