Freedom Everywhere

HiFive1

HiFive1 is a low-cost, Arduino-compatible development board featuring the Freedom E310. It’s the best way to start prototyping and developing your RISC‑V applications.

HiFive1 Features
and Specifications

Operating Voltage

3.3 V and 1.8 V

Input Voltage

5 V USB or 7-12 VDC Jack

IO Voltages

Both 3.3 V or 5 V supported

Digital I/O Pins

19

PWM Pins

9

SPI Controllers/HW CS Pins

1/3

External Interrupt Pins

19

External Wakeup Pins

1

Flash Memory

128 Mbit Off-Chip (ISSI SPI Flash)

Host Interface (microUSB)

Program, Debug, and Serial Communication

Weight

22 g

SoC

Freedom E310

FE310Learn More

Dimensions

68 mm

Long

51 mm

Wide

Why buy the HiFive1?

If you’re a software developer, system architect, hacker, or maker, we can think of a few reasons to buy this board:

  • Get the fastest Arduino-compatible RISC‑V board
  • Develop on the RISC‑V platform
  • Customize your own microcontroller
  • Support open source hardware
  • Create the next great thing!
Buy Now $59

What People
are Saying

For those following the RISC‑V space, SiFive’s new Freedom E310 is a long-awaited milestone.

William Wong — Technical Editor, Penton Media

Sutter Hill Ventures

SiFive is providing innovative solutions that will fundamentally change the semiconductor industry.

Stefan Dyckerhoff — Sutter Hill Ventures, Managing Director