skyworld_cy
Junior Member level 3
Hi,
I'm learning DFT and trying to finish my design with DFT compiler. After I run command "dft_drc" in DesignCompiler, I found thousands of warnings on clock as "Clock input CP of DFF xxx was not controlled. (D1-1)". I tried to debug this with design vision to find that the clock input CP is marked as "x", which I think should be a toggle clock. I attached this screenshot. Can anybody help to understand what's wrong with my setting? why this clock input is set as "x"? thanks.
I'm learning DFT and trying to finish my design with DFT compiler. After I run command "dft_drc" in DesignCompiler, I found thousands of warnings on clock as "Clock input CP of DFF xxx was not controlled. (D1-1)". I tried to debug this with design vision to find that the clock input CP is marked as "x", which I think should be a toggle clock. I attached this screenshot. Can anybody help to understand what's wrong with my setting? why this clock input is set as "x"? thanks.