AXI4-Stream Interfaces - AXI4-Stream Interfaces - 6.0 English - PG141

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

• If transmit <interface_name>_tready is stuck Low following the <interface_name>_tvalid input being asserted, the core cannot send data.
• If the receive <interface_name>_tvalid is stuck Low, the core is not receiving data.
• Check that the ACLK inputs are connected and toggling.
• Check that the AXI4-Stream waveforms are being followed, as shown in Figure 1, Figure 2, Figure 1, and Figure 1.
• Check core configuration.