explanation
Of the many peripherals displayed when you open the Qsys system integration tool (Qsys), here is a brief introduction to the most frequently used peripherals.
When you open the latest Qsys, there are so many peripherals that it is difficult for Nios® II beginners to understand what peripherals are the minimum required and what functions they have. Here's a quick summary of the basic peripherals.
Tool version: Document for Ver.14.0