Device Family: Stratix® IV E, Stratix® IV GT, Stratix® IV GX, Stratix® V E, Stratix® V GS, Stratix® V GT, Stratix® V GX

Type: Answers

Area: EMIF, Intellectual Property


IP Product: DDR3 SDRAM Controller MegaCore supporting UniPHY

Error (15700): Termination calibration block atom "<your_instance>|altera_mem_if_oct_stratixv:oct0|sd1a_0" uses RZQIN port, which must be connected to a dedicated I/O atom with no other fanout

Description

You may see the following error when you compile your design when the "Rapid recompile" option is enabled.

"Error (15700): Termination calibration block atom "<your_instance>|altera_mem_if_oct_stratixv:oct0|sd1a_0" uses RZQIN port, which must be connected to a dedicated I/O atom with no other fanout

Workaround/Fix

The workaround is to disable the "Rapid recompile" option.

This issue has been fixed in the Quartus® II software version 13.0.