Altera 10-Gbps Ethernet MAC MegaCore Function User Manual
Page 74
Chapter 7: Functional Description
7–7
Transmit Datapath
February 2014
Altera Corporation
10-Gbps Ethernet MAC MegaCore Function User Guide
Figure 7–5. Avalon-ST Transmit and Receive Interface with CRC-32 Checksum Insertion
Note to
:
(1) This value (which varies depending on the frame size) indicates the number of symbols that are empty during the
cycles that mark the end of a frame.
tx_clk_clk
avalon_st_tx_ready
avalon_st_tx_valid
avalon_st_tx_startofpacket
avalon_st_tx_endofpacket
avalon_st_tx_data[63:0]
avalon_st_tx_empty[2:0]
avalon_st_tx_error
...00000000
0
4(1)
rx_clk_clk
avalon_st_rx_ready
avalon_st_rx_valid
avalon_st_rx_startofpacket
avalon_st_rx_endofpacket
avalon_st_rx_data[63:0]
avalon_st_rx_empty[2:0]
avalon_st_rx_error[5:0]
...4EB30AF4
0
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