AN 980: Nios® V Processor Quartus® Prime Software Support

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ID 778829
Date 11/21/2025
Public

3. Features Support and Microarchitecture

All  Nios® V processor development tools and features in  Quartus® Prime Standard Edition software  version 24.1 is similar to  Quartus® Prime Pro Edition version 25.3. However, there are some exceptions, as highlighted in the following table:

Table 2.   Nios® V Processor Core Features across Quartus® Prime Software
Features Quartus® Prime Standard Edition Software Quartus® Prime Pro Edition Software
Development Tools Does not support:
  • FreeRTOS-Plus TCP software package
  • Quartus® Prime Embedded package
  • Nios® V Signal Tap plugin
 Supports:
  • FreeRTOS-Plus TCP software package
  • Quartus® Prime Embedded package
  • Nios® V Signal Tap plugin
All Nios® V/c processor features No exceptions No exceptions
All Nios® V/m processor features
Does not support:
  • ECC Correction Writeback
  • ECC Error Injection
  • ECC Error Exception
Supports:
  • ECC Correction Writeback
  • ECC Error Injection
  • ECC Error Exception
All Nios® V/g processor features
Does not support:

  • Shadow Register in all firmware. 1

  • CLIC interrupt mode.1

 Supports:
  • Shadow Register in Altera HAL and FreeRTOS firmware.1
  • CLIC interrupt mode in Altera HAL firmware only.1
1 Available operating systems in the Board Support Package Editor are Altera HAL, MicroC/OS-II, and FreeRTOS.
Level Two Title