Freedom U540 Explained

Freedom U540
Arch:RISC-V
Numcores:4
Designfirm:SiFive
Size-From:28nm
Created:Early 2018

The Freedom U540 is a microprocessor using the RISC-V open architecture by fabless semiconductor company SiFive that is used to power the HiFive Unleashed computer.[1] [2] The U540 is one of the first commercially available microprocessors to use the RISC-V architecture, which is in contrast to the majority of the market, which uses mostly proprietary x86 and ARM microarchitectures. As the U540 was designed specifically for the HFU, it is not available on other devices or as a standalone component.

The U540 has a partial compatibility with coreboot.[3]

Notes and References

  1. Web site: Hi-Five Unleashed: The first Linux-capable RISC-V single board computer is here. TechRepublic. 5 February 2018 .
  2. Web site: SiFive - HiFive Unleashed. SiFive.
  3. Web site: Mainboard-specific documentation > SiFive HiFive Unleashed . doc.coreboot.org . 23 July 2019.

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