Normal Transmit AXI4-Stream Transfer – Flag=0xA - 7.2 English

AXI 1G/2.5G Ethernet Subsystem Product Guide (PG138)

Document ID
PG138
Release Date
2023-11-15
Version
7.2 English

The Normal Transmit transfer is used to connect the AXI Ethernet Subsystem to any external core receiving the TX data.

The following figure illustrates the waveforms when connected to a core such as AXI_DMA or AXI_FIFO_MM_S. AXI_DMA supports advanced features such as partial CSUM offloading or extended VLAN; however, AXI_FIFO_MM_S does not support any of the advanced features.

Figure 1. Normal Transmit AXI4-Stream Waveform AXI Ethernet Page-1 Sheet.1 Sheet.2 Sheet.3 AXI_STR_TXD_ACLK AXI_STR_TXD_ACLK Sheet.4 AXI_STR_TXD_ARESETN AXI_STR_TXD_ARESETN Sheet.5 AXI_STR_TXD_TDATA(31:0) AXI_STR_TXD_TDATA(31:0) Sheet.6 AXI_STR_TXD_TVALID AXI_STR_TXD_TVALID Sheet.7 AXI_STR_TXD_TREADY AXI_STR_TXD_TREADY Sheet.8 AXI_STR_TXD_TSTRB(3:0) AXI_STR_TXD_TSTRB(3:0) Sheet.9 AXI_STR_TXD_TLAST AXI_STR_TXD_TLAST Sheet.10 AXI_STR_TXC_ACLK AXI_STR_TXC_ACLK Sheet.11 AXI_STR_TXC_ARESETN AXI_STR_TXC_ARESETN Sheet.12 AXI_STR_TXC_TDATA(31:0) AXI_STR_TXC_TDATA(31:0) Sheet.13 AXI_STR_TXC_TVALID AXI_STR_TXC_TVALID Sheet.14 AXI_STR_TXC_TREADY AXI_STR_TXC_TREADY Sheet.15 AXI_STR_TXC_TSTRB(3:0) AXI_STR_TXC_TSTRB(3:0) Sheet.16 AXI_STR_TXC_TLAST AXI_STR_TXC_TLAST Sheet.17 Sheet.18 5 tx cntrl info 5 tx cntrl info Sheet.19 transmit frame data (variable) transmit frame data (variable) Sheet.20 F F Sheet.21 F F Sheet.22 F F Sheet.23 1 7 17 Sheet.24 Sheet.25 X14079 X14079