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Altera_Forum's avatar
Altera_Forum
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9 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's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

As you pointed out above, the Cyclone V hard controller only supports a full-rate local interface. So the answer is no. And you can't go wider because the hard controller only supports up to 40 bits. Maybe jump to the Arria family?