For the AXI4-Stream interface, AXIS to LBUS converter at TX path and LBUS to AXIS converter at RX path are incorporated. These modules convert the 128-bit data of four segments of LBUS interface into a 512-bit AXI4-Stream data for user side interface.
Figure 1. LBUS to AXI4-Stream Core
Note: For more information on AXI4-Stream interface and
frame transmission mechanism, see Transmit AXI4-Stream Interface and Receive AXI4-Stream Interface section in
10G/25G High
Speed Ethernet Subsystem Product Guide (PG210).