HiFive1 Rev B – An open source, RISC-V development platform with wireless connectivity

HiFive1 Rev B – An open source, RISC-V development platform with wireless connectivity

HiFive1 Rev B – The Second Generation HiFive1 Dev Board and the Freedom Everywhere SoC, FE310

SiFive launched an upgraded Freedom Everywhere SoC and corresponding development kit, the HiFive1 Rev B, powered by SiFive’s E31 CPU, the FE310-G002. A small yet mighty 68 mm x 51 mm, the HiFive1 Rev B can connect to Arduino-compatible accessories and is a great platform for real-time embedded applications.

Since the launch of the original HiFive1 and the FE310 in 2016, we have received lots of great community feedback. The FE310-G002 is an upgrade to the Freedom Everywhere SoC, that adds support for the latest RISC-V Debug Spec 0.13, hardware I²C, two UARTs, and power gating the core rail in low power sleep modes. Like the original FE310, the FE310-G002 features SiFive’s E31 CPU core complex, a high-performance, 32-bit RV32IMAC core with a 16 KB L1 instruction cache, a 16 KB data SRAM scratchpad, and hardware multiply/divide. Running at 320+ MHz, the FE310 is among the fastest microcontrollers on the market.

The HiFive1 dev board has also been upgraded. Powered by the FE310-G002, the new HiFive1 Rev B has wireless connectivity through an onboard Wi-Fi/Bluetooth module. The USB debugger has been upgraded to Segger J-Link, with support for drag & drop code download. In favor of driving GPIO directly from the FE310, the HiFive1 Rev B supports 3.3 V I/O only.

Differences from previous version

You can preorder your HiFive1 Rev B today at https://www.crowdsupply.com/sifive/hifive1-rev-b

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About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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Bentec Components

great article,many knowledge about wireless connectivity

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