Question

What Is The Difference Between A Verilog Task And A Verilog Function?

Answer 1

he following rules distinguish tasks from functions:

1. A function shall execute in one simulation time unit; a task can contain time-controlling statements.
2. A function cannot enable a task; a task can enable other tasks or functions.
3. A function shall have at least one input type argument and shall not have an output or inout type argument;a task can have zero or more arguments of any type.
4. A function shall return a single value; a task shall not return a value.