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Altera_Forum's avatar
Altera_Forum
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17 years ago

Error with SOPC generated files

I am using SDRAM controller in SOPC builder, when compiling the project with QuartusII following error appears. Any help on how to resolve this. Error: IO_PIN atom "ddr_dqs_to_and_from_t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

There are two possibilities for this error:

1 - You don't have something connected correctly. Verify that all your DQS pins to/from the DDR2 core are properly connected to top level DQS pins.

2 - Part of your design is being synthesized away because it is not being used. If you've instantiated the DDR2 RAM but you're not actually using it, the logic will be synthesized away and you will get the error shown.

Jake