verilog real
时间: 2024-01-11 22:03:42 浏览: 24
Verilog is a hardware description language used for designing and modeling digital circuits at various levels of abstraction. In Verilog, `real` is a data type used to represent floating-point numbers in the IEEE 754 standard format with 32-bit precision.
The `real` data type is useful for modeling analog circuits or for performing certain mathematical operations that require a high degree of precision. However, it is not commonly used in digital circuit modeling, where fixed-point arithmetic is often used instead.
Here is an example of how `real` can be used in Verilog:
```
module example(input real a, input real b, output real c);
always @(*) begin
c = a + b;
end
endmodule
```
In this example, the `example` module takes two real inputs `a` and `b`, and produces a real output `c` that represents the sum of `a` and `b`. The `always` block uses the `@(*)` sensitivity list to trigger whenever `a` or `b` changes, and then calculates the new value of `c` using floating-point addition.