Nios® II Processor Reference Guide

ID 683836
Date 8/28/2023
Document Table of Contents

3.7.6. Interrupt Exceptions

A peripheral device can request an interrupt by asserting an interrupt request (IRQ) signal. IRQs interface to the Nios® II processor through an interrupt controller. You can configure the Nios® II processor with either of the following interrupt controller options:
  • The external interrupt controller interface
  • The internal interrupt controller