GTS CPRI PHY Intel® FPGA IP Design Example User Guide

ID 814583
Date 3/31/2024
Public

2.5. Interface Signals

Table 22.  Design Example Interface Signals
Signal Direction Description
ref_clk100MHz Input Input clock for CSR access on all the reconfiguration interfaces. Drive at 100 MHz.
i_clk_ref[0] Input Reference clock for System PLL. Drive at 153.6 MHz.
i_clk_ref[1] Input Transceiver reference clock. Drive at:
  • 153.6 MHz for CPRI line rates 1.2, 2.4, 3, and 4.9 Gbps.
  • 184.32 MHz for CPRI line rates 10.1 Gbps without RS-FEC.
  • 122.88 MHz for all CPRI line rates.
i_rx_serial[n] Input Transceiver PHY input serial data.
o_tx_serial[n] Output Transceiver PHY output serial data.