Read from a register that does not have all 0s as a default to verify that the interface is functional. Output
s_axi_arready asserts when the read address is valid, and output
s_axi_rvalid asserts when the read data/response is valid. If the interface is unresponsive, ensure that the following conditions are met:
aclkinputs are connected and toggling.
- The interface is not being held in reset, and
s_axi_aresetis an active-Low reset.
- The interface is enabled, and
s_axi_aclkenis active-High (if used).
- The main subsystem clocks are toggling and that the enables are also asserted.
- Add AXI4-Lite interface to ILA, and analysis data captured when triggering at s_axi_rvalid.