Data Lane Mapping - Data Lane Mapping - 1.2 English - PG251

USXGMII Ethernet Subsystem Product Guide (PG251)

Document_ID
PG251
Release_Date
2024-05-30
Version
1.2 English

For transmit data tx_axis_tdata[31:0], the port is logically divided into lane 0 to lane 3 as shown in the following table.

Table 1. tx_axis_tdata Lane Mapping
Lane/tx_axis_tkeep tx_axis_tdata[31:0] bits
0 7:0
1 15:8
2 23:16
3 31:24