LVDS SERDES Intel® FPGA IP User Guide: Intel® Arria® 10 and Intel® Cyclone® 10 GX Devices

ID 683520
Date 7/13/2021
Public

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

Figure 18. Non-DPA LVDS Receiver Interface with IOPLL IP Core in External PLL Mode


Figure 19. DPA LVDS Receiver Interface with the IOPLL IP Core in External PLL ModeInvert the locked output port and connect it to the pll_areset port.


Figure 20. Soft-CDR LVDS Receiver Interface with the IOPLL IP Core in External PLL ModeInvert the locked output port and connect it to the pll_areset port.


Figure 21. 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.