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Altera_Forum
Honored Contributor
19 years ago1. install ddr core 3.4.0
2. remove old ddr 3.3.0 lib path and ddr files in quartus II project files. 3. enter sopc build , there will be warning for unassigned pin of ddr, and set them to "assgined in quartus II". 4. regenerate sopc builder 5. compile in quartus again.