AR# 3597: Fatal_error:x3kma:x3kmarmunused.c:120:1.8 remove input sig U9/$Net00047_ from comp U9/$I67 causes empty F func.
AR# 3597
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Fatal_error:x3kma:x3kmarmunused.c:120:1.8 remove input sig U9/$Net00047_ from comp U9/$I67 causes empty F func.
説明
Keywords: x3kma, unused, empty.
Urgency : Hot
General Description: This error was caused by "optimize" creating a logic 1 F function driving a flop when it saw a FDCE with the D pin pulled up to VCC, and an active CLK and CLR signal.
ソリューション
This problem is fixed in the latest M1.4 Core Tools Patch available on the Xilinx Download Area: