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Altera_Forum
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18 years ago

DDR2 Ctrl compile error:Cannot find source node 'ddr2_dqs[0]_in

When I compiler my project based on Altera's Dev Kit's solution:an431 with changes as follow:instantialized two ddr2 sdram controller,one on the top side,and another on the bottom side,each of them i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Did you create one controller and instantiate it twice, or physically go through the megawizard and create two separate cores? I would suggest making two separate cores, as there are scripts that search through the design for signals, and if it finds them twice, it may have difficulties resolving them. (I'm not sure if this is your problem, but just a suggestion.)