AR# 2307


M1.3/M1.4 CPLD Hitop - Fitter issues spurious nd14 warnings


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.


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.
AR# 2307
日期 03/29/2000
状态 Archive
Type 综合文章
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