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Altera_Forum
Honored Contributor
17 years agoDDR2 High Performance Bidirectional I/O Error
Hi I am using Altera Stratix-III FPGA development board with EP3SL150F1152C2 FPGA. I instantiated DDR high performance IP core in SOPC. Before compilation, I also executed the scripts generated...
Altera_Forum
Honored Contributor
17 years ago --- Quote Start --- You would think so, but apparently there is a double constraint. The settings for differential I/O have be set at both the pin side and the DDR2 Controller side. --- Quote End --- I actually didn't see such problem on my board... Do you mean the error will resolve by setting differential-pair on both the DDR2 controller and the pin planner ?