From http://88physicaldesign.blogspot.com/2015/10/what-is-macro.html: Macros are intellectual properties that you can use in your design. You do not need to design it. For example, memories, processor core, serdes, PLL etc. Macros might have a fixed function, or being parameterised. Your own design could become a fixed-function macro that some other designer could use, but a parameterised macro includes design elements and code that says how to build a macro to suit a particular set of parame...
