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SparkFun RED-V RedBoard - SiFive RISC-V FE310 SoC development board Freedom E310 core RISC-V instruction set architecture (ISA) USBC microcontroller I2C Qwiic Connect Sys Zephyr RTOS build environment

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Ships from United States.
  • Arduino R3 Footprint. Take advantage of existing shield options.
  • Qwiic connector to enable future use of our handy plug-and-play I2C Qwiic Connect System No soldering or shields are required
  • Operating Voltage: 3.3V and 1.8V. External Wakeup Pins: 1 (& button). Host Interface (USB-C): Program, Debug, and Serial Communication.
  • Other Features: Hardware Multiply/Divide, Debug Module, Flexible Clock Generation with on-chip oscillators and PLLs
  • Please be aware that Qwiic Libraries are not yet available for the Freedom Studio SDK or the Zephyr environment that runs on the FE310.
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Overview
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The SparkFun RED-V (pronounced “red-five”) RedBoard is a low-cost, Arduino-compatible development board featuring the Freedom E310 SoC which brings with it the RISC-V instruction set architecture (ISA). What sets the RED-V RedBoard apart from the rest is the completely open-source approach from hardware to ISA. That means anyone can make full use the microcontroller without requiring royalties, licenses, or non-disclosure agreements.

The RED-V RedBoard comes in the familiar Arduino Uno R3 form factor and includes the SiFive Freedom E310 core, 32MB of QSPI flash, an NXP K22 ARM Cortex-M4 for USB connectivity and operating as a JTAG interface, and a Qwiic connector to make I2C easy.

The modern USB-C connector makes it easy to program and for more advanced users who prefer to use the power and speed of professional tools, we've also exposed the JTAG connector. Additionally, it comes programmed with a simple bootloader making the RED-V the best way to start prototyping and developing your RISC-V applications.

The on board Freedom E310 (FE310) is the first member of the Freedom Everywhere family of customizable SoCs from SiFive. Designed for microcontroller, embedded, IoT, and wearable applications, the FE310 features SiFive’s E31 CPU Coreplex, a high-performance, 32-bit RV32IMAC core.

Running at 320+ MHz, the FE310 is among the fastest microcontrollers in the market. Additional features include a 16KB L1 Instruction Cache, a 16KB Data SRAM scratchpad, hardware multiply/divide, a debug module, flexible clock generation with on-chip oscillators and PLLs, and a wide variety of peripherals including UARTs, QSPI, PWMs, and timers. Multiple power domains and a low-power standby mode ensure a wide variety of applications can benefit from the FE310. The RED-V requires Freedom Studio software or a Zephyr RTOS build environment set up to program the board and interface with it.

The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.


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