Device Family: Stratix® V GX

Type: Answers, Errata

Area: EMIF, Intellectual Property


IP Product: Other

Is there a problem when simulation ALTDQ_DQS2 megafunctions generate by the Quartus II version 12.0?

Description

Yes, there is a problem when simulation ALTDQ_DQS2 megafunctions generate by the Quartus II version 12.0.

When ALTDQ_DQS2 in output-only mode, Full-Rate, with no dynamic config or output phase alignment blocks, the core left

the output strobe enable dangling.

Workaround/Fix

Add the following code : assign fr_os_oe = 1\'b0;

to ALTDQ_DQS2 megafunctions source file as a workaround.