Nios® V Processors

Nios® V processor is the next generation of soft processor for Intel® FPGAs based on the open-source RISC-V Instruction Set Architecture. This processor is available in the Intel® Quartus® Prime Pro Edition Software starting with version 21.3.

Read the Nios® V Processor Reference Manual

What's New

See what's new with the Nios® V processors.

The RiscFree* IDE for Intel® FPGAs is the Integrated development environment for creating embedded applications on Intel’s Arm* based hard processor system and Nios V soft processors. This IDE delivers homogenous and heterogeneous multi-processor design, and debug capabilities. Currently supported key features include:

  • Included with the Intel Quartus Prime Software Pro version 22.2 onwards or available as a standalone free download for embedded software developers
  • Full tool-chain including Ashling’s* RiscFree* for Intel® FPGAs IDE, Compiler, Debugger and Trace
  • IDE based on Eclipse with full source and project creation, editing, build and debug support
  • Run-time Debug with support for the Intel® FPGA Download Cable II (USB Blaster II)
  • Register Visualization for Nios® V processors and Arm* cores
  • Real Time Operating System (RTOS) debug awareness
  • For more information, read the RiscFree IDE for Intel® FPGAs User Guide
  • You can get the Nios® V/m processor IP license from the Self Service Licensing Center at no cost.
  • Example designs included with the Nios V/m IP in Platform Designer in the Intel® Quartus® Prime Pro Edition software. 
  • Download the latest Intel® Quartus® Prime Pro Edition Software and the RiscFree* IDE for Intel® FPGAs and get started today. Download now.


  • Get your designs to market faster with the growing ecosystem for Nios® V processor that is based on the open-source industry standard RISC-V ISA.
  • The Intel Hardware Abstraction Layer (HAL) and Micrium* MicroC/OS-II are supported on the Nios® V/m processor and included in the Intel® Quartus® Prime Pro Edition Software.
  • There will be additional Real-Time Operating Systems (RTOS) supported on the upcoming processors in the Nios® V processor family. Stay tuned for updates.

Product and Performance Information


Future releases are subject to change.