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Altera_Forum
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15 years ago

DDR2 Troubles on Cyclone III

I'm having some trouble with DDR2 interface on a Cyclone III system. I'm using v. 9.1 of the tools, SOPC builder with the Legacy High Performance Full Speed Controller, 133MHz memory clock. The mem...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Yes, the same controller.

The devices share an address bus. but have a separate clock.

Normally, we use two memory devices with a shared address bus and clock in our designs - similar to the dev kit. I'm not sure if the separate clock causes a problem or not.