Device Family: Arria® II GZ

Device Family: Arria® V GT

Device Family: Arria® V GX

Device Family: Arria® V GZ

Device Family: Arria® V ST

Device Family: Arria® V SX

Device Family: Cyclone® V E

Device Family: Cyclone® V GT

Device Family: Cyclone® V GX

Device Family: Cyclone® V SE

Device Family: Cyclone® V ST

Device Family: Cyclone® V SX

Device Family: Stratix® III

Device Family: Stratix® IV E

Device Family: Stratix® IV GT

Device Family: Stratix® IV GX

Device Family: Stratix® V E

Device Family: Stratix® V GS

Device Family: Stratix® V GT

Device Family: Stratix® V GX

Type: Answers

Area: EMIF

Area: Intellectual Property


IP Product: IP Base Suite

Error: Error during execution of script generate_ed.tcl: <example design>: Interface seq_debug tried to export unknown interface if0.seq_debug

Description

Due to a problem in the Quartus® II software version 12.1 and later, this error message may appear when generating the example design for the DDR3 controller with UniPHY if the EMIF On-Chip Debug Toolkit interface type is set to Internal (JTAG).

Workaround/Fix

The workaround is to change the on-chip debug setting from Internal (JTAG) to Shared. This generates an Avalon® slave interface, which does not need to be connected.

This problem is scheduled to be fixed in a future release of the Quartus II software.