Type: Answers, Errata

Area: EMIF, Intellectual Property



Partitioned Design Compilation Error

Description

Partitioned designs that use the DDR2 SDRAM Controller fail compilation at cke and odt pins.

This issue affects all designs that use the DDR2 SDRAM Controller.

Your design fails to compile.

Workaround/Fix

To compile your design successfully, in the .qsf file add the following command:

set_instance_assignment -name REMOVE_DUPLICATE_REGISTERS OFF -to "ddr2_ctrl:ddr2_ctrl_ddr_sdram|ddr2_ctrl_auk_ddr_sdram: ddr2_ctrl_auk_ddr_sdram_inst|auk_ddr_controller:ddr_control|cke"

This issue will not be fixed.