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

ID 683792
Date 7/13/2021
Public

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Document Table of Contents

3.1.7.3. Connection between IOPLL IP Core and LVDS SERDES IP Core in External PLL Mode

Figure 24. Non-DPA or DPA LVDS Receiver Interface with the IOPLL IP Core in External PLL Mode


Figure 25. Soft-CDR LVDS Receiver Interface with the IOPLL IP Core in External PLL Mode


Figure 26. LVDS Transmitter Interface with the IOPLL IP Core in External PLL ModeConnect the I/O PLL lvds_clk[1] and loaden[1] ports to the ext_fclk and ext_loaden ports of the LVDS transmitter.


The ext_coreclock port is automatically enabled in the LVDS SERDES IP core in external PLL mode. The Intel® Quartus® Prime compiler outputs error messages if this port is not connected as shown in the preceding figures.