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M1.3/M1.4 CPLD Hitop - Fitter issues spurious nd14 warnings
Keywords: hitop, fitter, cpld, nd14, warnings, pre, clr, dff
Fitter issues spurious nd14 warnings about undriven nets
connected to the PRE/CLR pins of DFF symbols when reading XNF
The underlying logic implementation is correct.
There is no way to get rid of the warnings as these
warnings are desired to indicate when actual logic
is unconnected. The software is unable to determine
what logic is important, and what is not.