Answers Database

M1.3/M1.4 CPLD: Fitter issues spurious nd14 warnings


Record #2307

Product Family:  Software

Product Line:  CPLD Implementation

Problem Title:
M1.3/M1.4 CPLD: Fitter issues spurious nd14 warnings


Problem Description:
Keywords: hitop, fitter, cpld, nd14, warnings, pre, clr, dff

Urgency: standard

General Description:

Fitter issues spurious nd14 warnings about undriven nets
connected to the PRE/CLR pins of DFF symbols when reading XNF
input designs.


Solution 1:

The underlying logic implementation is correct.

There is no known way to get rid of the warnings.



End of Record #2307