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Altera_Forum
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15 years ago

Accessing DDR2 SDRAM without using Nios processor.

Hi all. I am making a video elaboration system, and i would like to perform a real time elaboration. I need to perform many video elaborations on many entire video frames, so i need to be able ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

Actually, I'm trying to use the DDR SDRAM also (Stratix II development board) with my own controller.

Right now, it's quite tough to get the min operating frequency (75 MHz), due to the critical path. I'm not sure but I heard about using a DDR SDRAM with a slower clock than the one specified in the datasheet. Does sb know if it works ?

Julien.