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

ID 813899
Date 8/04/2025
Public
Document Table of Contents

3.2.6. Interface Signals

Table 21.  10/100/1000 Ethernet MAC without Internal FIFO Buffers with 1000BASE-X/SGMII 2XTBI PCS and Embedded PMA Signals (GTS) with IEEE 1588v2
Signal Direction Description
csr_clk Input

100 MHz reference clock for configuring the CSR registers.

iopll_refclk Input 156.25 MHz reference clock for PMA.
tx_serial_data Output Positive signal for the transmitter serial data.
tx_serial_data_n Output Negative signal for the transmitter serial data.
rx_serial_data Input Positive signal for the receiver serial data.
rx_serial_data_n Input Negative signal for the receiver serial data.