AXI4-Stream Interface Debug - 11.1 English - PG046

If data is not being transmitted or received, check the following conditions:

• If transmit s_axi_tx_tready is stuck Low following the s_axi_rx_tvalid input being asserted, the core cannot send data.
• If the receive m_axi_rx_tvalid is stuck Low, the core is not receiving data.
• Check that the user_clk input is connected and toggling.
• Check that the AXI4-Stream waveforms are being followed. See the figure titled Simple Data Transfer for data transfer and Data Transfer with Pause for data reception.
• Check core configuration.