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NuvKFC
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4 years ago
Solved

TimeQuest can't analysis the clock from the PLL

The problem is as follows. I need a MUX to switch the clock between normal mode and test mode. And I don't care about any transient state when clock switching. The ending shows the design. 'pll_...
  • NuvKFC's avatar
    NuvKFC
    4 years ago

    Hi SyafieqS_Intel, finally, I use the command, /*synthesis keep */, to keep relative port so that TimeQuest can find the CLK[4] port of the PLL.

    The CLK[4] port of the PLL in post-fit is "pll|altpll_component|auto_generated|pll1|clk[4]". Thank you, SyafieqS_Intel, very much.