关于 pll Warning (15897) Warning (15899)
Warning (15897): PLL "pll:U12|altpll:altpll_component|pll_altpll:auto_generated|pll1" has parameter compensate_clock set to clock0 but port CLK is not connectedWarning (15899): PLL "pll:U12|altpll:altpll_component|pll_altpll:auto_generated|pll1" has parameters clk0_multiply_by and clk0_divide_by specified but port CLK is not connected
请问大家这两个警告是什么意思
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