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 with enabling "Rapid recompile" option.

"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

This is a software issue and this issue will be fixed in future release of Quartus® II software.

Workaround/Fix

The workaround is to disable  "Rapid recompile" option.