Forum Discussion

Honored Contributor

8 years ago

Cyclone V Hard memory controller rate

Hi, I am using Cyclone V which has 2 Hard memory controllers. When I tried to generate DDR3 memory controller with Uniphy I was not able to select Half or Quarter rate on Avalon-MM interface. Then I ...

Altera_Forum

Honored Contributor

8 years ago

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Use this tool to see what is possible:

https://www.altera.com/products/intellectual-property/best-in-class-ip/external-memory/support-selector.html#

Looks like 400MHz is possible depending on speed grade, but that's the max.

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Thanks rsefton. Is there any way to run my local interface at lower rate when I am using Hard memory controller?

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Cyclone V Hard memory controller rate

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