verilog inout

In Verilog, `inout` is a type of port declaration that allows a signal to be both an input and an output.

An `inout` port can be driven by the module that instantiates the design, and the module can also read the value of the `inout` signal. This is useful for bidirectional signals, such as buses or communication interfaces.

An example of an `inout` port declaration in Verilog looks like this:

module myModule (
  input clk,
  inout data
);

  // module logic

endmodule

In this example, `data` is an `inout` port that can be driven by the module that instantiates `myModule`, and the module can also read the value of `data`.

It's important to note that `inout` ports have some limitations, such as not being able to be used in some synthesis tools. Therefore, it's important to check the compatibility of `inout` ports with your specific design and tools.