18.104.22.168. Design Verification
You can verify the design for a 4-port customized crosspoint switch using the Quartus® II software. The design verification occurs in both functional and timing simulations.
With all the I/O pins in tri-state mode, each port was initialized. After initialization, output configuration occurs for port_B and port_C, while input configuration occurs for port_A and port_D. Input port_A is connected to port_C and input port_D is connected to port_B. In the last configuration, output port_A and port_C are connected to input port_D, while port_B is tri-stated.
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