4.2.4. Clock Feedback Modes
Intel® Cyclone® 10 LP PLLs support up to five different clock feedback modes. Each mode allows clock multiplication and division, phase shifting, and programmable duty cycle.
Input and output delays are fully compensated by the PLL only if you are using the dedicated clock input pins associated with a given PLL as the clock sources.
When driving the PLL using the GCLK network, the input and output delays may not be fully compensated in the Intel® Quartus® Prime software.
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