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SiFive Launches Linux-Capable RISC-V Based SoC

SiFive has launched the industry’s first Linux-capable RISC-V based processor SoC. The company demonstrated the first real-world use of the HiFive Unleashed board featuring the Freedom U540 SoC, based on its U54-MC Core IP, at the FOSDEM open source developer conference.

During the session, SiFive provided updates on the RISC-V Linux effort, surprising attendees with an announcement that the presentation had been run on the HiFive Unleashed development board. With the availability of the HiFive Unleashed board and Freedom U540 SoC, SiFive has brought to market the first multicore RISC-V chip designed for commercialization, and now offers the industry’s widest array of RISC-V based Core IP.

With the Freedom U540, the first RISC-V based, 64-bit 4+1 multicore SoC with support for full featured operating systems such as Linux, the HiFive Unleashed development board will greatly spur open-source software development. The underlying CPU, the U54-MC Core IP, is ideal for applications that need full operating system support such as artificial intelligence, machine learning, networking, gateways and smart IoT devices.

The company also announced its first hackathon, which will be held during the Embedded Linux Conference, March 12 to 14 in Portland, OR. The hackathon will enable registered SiFive Developers to be among the first test out SiFive’s HiFive Unleashed board featuring the U540 SoC.

Freedom U540 processor specs include:

  • 4+1 Multi-Core Coherent Configuration, up to 1.5 GHz
  • 4x U54 RV64GC Application Cores with Sv39 Virtual Memory Support
  • 1x E51 RV64IMAC Management Core
  • Coherent 2MB L2 Cache
  • 64-bit DDR4 with ECC
  • 1x Gigabit Ethernet
  • Built in 28nm process technology

The HiFive Unleased development board specs include:

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  • SiFive Freedom U540 SoC
  • 8GB DDR4 with ECC for serious application development
  • Gigabit Ethernet Port
  • 32MB Quad SPI Flash
  • MicroSD Card for removable storage
  • FMC Connector for future expansion with add-in cards

Developers can purchase the HiFive Unleashed development board here. A limited batch of early access boards will ship in late March 2018, with a wider release in June. For more information or to register for the hackathon, visit www.sifive.com/products/hifive-unleashed/.

SiFive | www.sifive.com


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