Triple-Speed Ethernet IP Design Example User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

ID 813899
Date 8/04/2025
Public

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1.2.3.2. Clock Signals

Table 6.  Clock and Reset Signals
Signal Direction Width Description
reg_clk Input 1 Drives register access reference clock, TX/RX MAC FIFO clocks and IOPLL reference clock. Set the clock to 100 MHz.
pll_refclk0 Input 1 156.25 MHz reference clock used for the rx_cdr_refclk and tx_pll_refclk in GTS Direct PHY IP and input clock in GTS SYSTEMCLK IP.