Hifive1 - RISC V

HiFive1 Features & Specifications

• Microcontroller: SiFive Freedom E310 (FE310)
  • CPU: SiFive E31 CPU
  • Architecture: 32-bit RV32IMAC
  • Speed: 320+ MHz
  • Performance: 1.61 DMIPs/MHz
  • Memory: 16 KB Instruction Cache, 16 KB Data Scratchpad
  • Other Features: Hardware Multiply/Divide, Debug Module, Flexible Clock Generation with on-chip oscillators and PLLs
• 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
• Dimensions: 68 mm x 51 mm
• Weight: 22 g

Software

• Freedom E SDK
• Arduino IDE Support