Understanding the define Directive in Verilog: Purpose, Usage, and How It Differs from parameter
When writing Verilog code, you’ll often come across the terms define directive and parameter. Both are used to define constants, but they serve different purposes and behave quite differently. Understanding these differences is crucial for writing clean, maintainable, and efficient hardware description code. In this post, we’ll explore the purpose of the define directive, how it works, and highlight the key…