Intel® MAX® 10 High-Speed LVDS I/O User Guide

ID 683760
Date 10/02/2023
Document Table of Contents Guidelines: LVDS TX Interface Using External PLL

You can instantiate the Soft LVDS IP core with the Use External PLL option. Using external PLL, you can control the PLL settings. For example, you can dynamically reconfigure the PLL to support different data rates and dynamic phase shifts. To use this option, you must instantiate the ALTPLL IP core to generate the various clock signals.

If you turn on the Use External PLL option for the Soft LVDS transmitter, you require the following signals from the ALTPLL IP core:

  • Serial clock input to the tx_inclock port of the Soft LVDS transmitter.
  • Parallel clock used to clock the transmitter FPGA fabric logic and connected to the tx_syncclock port.