Nios® II Software Developer Handbook

ID 683525
Date 8/28/2023
Public
Document Table of Contents

9.3.2.6.1. Hardware Interrupt Priorities with the Internal Interrupt Controller

When selecting the IRQ for each peripheral, remember that the HAL hardware interrupt funnel treats IRQ0 as the highest priority. Assign each peripheral’s interrupt priority based on its need for fast servicing in the overall system. Avoid assigning multiple peripherals to the same IRQ.