Answers Database


Foundation Express F1.5: Instantiation of output cell with non-LVTTL voltage standard crashes Express


Record #4443

Product Family: Software

Product Line: Synopsys

Product Part: FPGA Express

Product Version: 2.1.1

Problem Title:
Foundation Express F1.5: Instantiation of output cell with non-LVTTL voltage standard crashes Express



Problem Description:
Urgency: Standard

General Description:

If you are targeting a Virtex design, and you have instantiated an output cell
with a non-LVTTL voltage standard, Foundation Express v2.1.2 will produce
an error in the optimization phase of synthesis.

Foundation Express 1.5 will report during optimize:

Internal Error: Invalid value '' for attribute
'pmap_slew' on ...... (FE-INTERNAL-padmap-2).


Solution 1:

This issue has been resolved with Foundation Express 2.1.3.
Please upgrade to Foundation F1.5i or newer.




End of Record #4443 - Last Modified: 03/15/99 16:35

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