5712 - MachXO3L: Does PLL clock outputs are glitch less when enabled or disabled via ENCLKO*?

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• 4736 - All Devices: How to improve the jitter value of the PLL clock output?

  Follow these recommendations to generate several clock signal outputs with minimum jitter: 1. Use the PLL and the ODDR clocked by the edge clock. 2. Use a clock source with less jitter. 3. Use dedicated clock input routing pins to assign the clock to ...

• How to access the Nexus PLL configuration space register via APB2LMMI?

  One of the most common points of confusion stems from the updated address mapping in PLL version 1.9.0. Previously, the APB interface used a different width and offset scheme for accessing PLL registers. However, with the release of this version, the ...

• [MachXO2/MachXO3] Upon power‑up, how can we estimate the time between POR and PLL lock?

  To estimate the time between POR and PLL lock, add the tREFRESH duration to the tLOCK duration.

• 6506 - PLL: When will the reset of the PLL be released? If the reset is released before the input clock to the PLL stabilizes (or is input), the PLL does not output the clock and Lock signals.

  Definition: When will the reset of the PLL be released? If the reset is released before the input clock to the PLL stabilizes (or is input), the PLL does not output the clock and Lock signals. Solution: Please find section 14.5.3 of FPGA-TN-02095 on ...

• Which power supplies are used by the PLL in Avant?

  The VCCA_PLL* and VCC are the power supplies connected to the PLL power rails.