MACsec Intel FPGA System Design User Guide

ID 767516
Date 6/26/2023
Public

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2.10. Top Level Signals

The table below lists the top level signals.
Table 5.  Top Level Signals
Signal Direction Width Description
fpga_clk_100 Input 1 Clock input for CSR access
fpga_clk_156p25 Input 1 156.25 MHz for Ethernet HSSI refclk
fpga_clk_100_pcie Input 1 100 MHz for PCIe refclk
fpga_reset_n Input 1 External reset input (pin_perst_n)
Ethernet Interface
p0_rx_serial Input 2 Transceiver phy serial input data
p0_tx_serial Output 2 Transceiver phy serial output data
p8_rx_serial Input 2 Transceiver phy serial input data
p8_tx_serial Output 2 Transceiver phy serial output data
qsfp_modsel Output 2 QSFP mode selection
qsfp_lowpwr Output 2 QSFP low power signal
qsfp_rstn Output 2 QSFP reset pin
PCIe Interface
pcie_p0_rx_serial Input 16/8 PCIe Transceiver phy serial input data
pcie_p0_tx_serial Output 16/8 PCIe Transceiver phy serial output data