E-Tile Hard IP Intel Agilex® 7 Design Example User Guide: Ethernet, E-tile CPRI PHY and Dynamic Reconfiguration

ID 683860
Date 8/08/2023
Document Table of Contents

3.2.4. Interface Signals

Table 20.  Design Example Interface Signals
Signal Direction Description
ref_clk100MHz Input Input clock for CSR access on all the AV-MM interfaces. Drive at 100 MHz.
ref_clk156MHz Input Reference clock for channel PLL. Drive at 156.25 MHz.
i_clk_ref Input Transceiver reference clock. Drive at
  • 153.6 MHz for CPRI line rates 2.4,3.07,4.9,6.1, and 9.8 Gbps.
  • 184.32 MHz for CPRI line rates 10.1,12.1, and 24.3 Gbps with and without RS-FEC.
i_rx_serial[n] Input Transceiver PHY input serial data.
o_tx_serial[n] Output Transceiver PHY output serial data.