Forum Discussion

fa_fpga_enthusiast's avatar
fa_fpga_enthusiast
Icon for Occasional Contributor rankOccasional Contributor
11 months ago

Nios V Hardware Interrupt Limitations

Hello, Based on the Nios V Processor Reference Manual and AN 978 Nios V Processor Migration Guidelines, Nios V supports only 16 hardware interrupts, whereas Nios II supports 32. Additionally, the Ex...
Nios Cpu
fa_fpga_enthusiast's avatar
fa_fpga_enthusiast
Icon for Occasional Contributor rankOccasional Contributor
10 months ago

Hello,

Thanks for your response.

Do you know in which future Quartus version the number of hardware interrupts for Nios-V will be increased?

In the meantime, we may need to develop a custom "External Interrupt Controller" to aggregate multiple peripheral interrupts into a single interrupt for the processor.

Best regards.