Transmit AXI4-Stream Interface - 256-bit - 3.2 English

40G/50G High Speed Ethernet Subsystem Product Guide (PG211)
Document ID
PG211
Release Date
2021-10-27
Version
3.2 English

The following table shows the AXI4-Stream transmit interface signals.

Table 1. Transmit AXI4-Stream Interface
Name I/O Clock Domain Description
tx_axis_tready O tx_clk_out AXI4-Stream acknowledge signal to indicate to start the Data transfer
tx_axis_tvalid I tx_clk_out AXI4-Stream Data Valid Input
tx_axis_tdata[255:0] I tx_clk_out AXI4-Stream Data
tx_axis_tuser I tx_clk_out

AXI4-Stream User Sideband interface.

1 indicates a bad packet. 0 indicates a good packet.
tx_axis_tlast I tx_clk_out AXI4-Stream signal indicating End of Ethernet Packet
tx_axis_tkeep[31:0] I tx_clk_out AXI4-Stream Data Control