Networking Interface for Open Programmable Acceleration Engine: Intel FPGA Programmable Acceleration Card D5005

ID 683830
Date 11/04/2019

3.4. Connecting the PCS to the HSSI Interface

In 32-bit PCS-Direct mode, the interface between the PCS and HSSI PHY maps as following:
Table 8.  Interface Mapping
TX Port Function TX Port RX Port Function RX Port
Configuration-32, PMA Width-32, FPGA Fabric width-32
data[31:0] tx_parallel_data[31:0] data[31:0] rx_parallel_data[31:0]
tx_fifo_wr_en tx_parallel_data[79] rx_prbs_err rx_parallel_data[35]
    rx_prbs_done rx_parallel_data[36]
rx_data_valid rx_parallel_data[79]
Figure 8. Connecting the PCS to the HSSI Interface

This figure illustrates how to connect a 10GbE PCS to the HSSI PHY using the PR HSSI Interface.