SiFive E31 RISC-V Core
Architecture: 32-bit RV32IMAC
-
Performance: 1.61 DMIPs/
MHz, 2.73 Coremark/
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