The AXI4-Lite interface allows you to dynamically control parameters within the core. The configuration can be accomplished using an AXI4-Lite master state machine, an embedded ARM ® , or soft system processor such as AMD MicroBlaze™. The Video Mixer can be controlled through the AXI4-Lite interface by using functions provided by the driver in the Vitis. Another method is performing read and write transactions to the register space but should only be used when the first method is not available. Table: AXI4-Lite Control Interface Signals shows the AXI4-Lite control interface signals. This interface runs at the ap_clk clock.