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SiFive

Geoffrey Hunter
Geoffrey Hunter
mbedded.ninja Author
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Microcontrollers use the open-source RISC-V instruction set.

HiFive1 Rev B​

The HiFive1 Rev B is SiFive's second revision of their first development kit. It carries a FE310-G002 Freedom Everywhere SoC (System on Chip).

Photo of the HiFive Rev B development kit. Image from https://www.crowdsupply.com/sifive/hifive1-rev-b, retrieved 2020-12-02.

Specifications​

ParameterValue
Input VoltageUSB 5V or 7-12V via DC jack
IO Voltage3.3V
Flash Memory32Mbit (external via SPI)
Clock Speed320MHz
Digital IO Pins19
PWM Pins9
UART2
I2C1

Suppliers​

Can be purchased from:

  1. CrowdSupply for US$59 (as of Dec 2020)
  2. Mouser for US$59 (as of Dec 2020)