Welcome to a fundamentally new approach to designing and producing custom chips. All Freedom Platforms are well defined by a free and open platform specification, which promotes and encourages open-source software development. The verified base silicon platform allows SiFive to quickly and cost effectively customize and add features for individual customers, unleashing the flexibility and power of custom silicon to the smallest company, inventor, and maker, all while benefiting from the open-source RISC-V software ecosystem.

Freedom Unleashed

The Freedom Unleashed family features a series of customizable Unix-capable SoC platforms, based on SiFive's U5 Core IP Series, the world's most advanced multicore RISC-V CPUs. The first member of the Freedom Unleashed family, the U500 platform targets initial customers in diverse markets such as machine learning, storage, and networking.

Freedom U500 Platform
  • U5 Core IP Series at 1.6GHz+
  • RV64GC Architecture
  • Multicore, Cache Coherency Support
  • High Speed Peripherals: PCIe 3.0, USB3.0, GbE, DDR3/4
  • TSMC 28nm
Platform Guide
Ecosystem
  • Linux support
  • Standard debugging tools
  • FPGA platform for early development
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Freedom Everywhere

The Freedom Everywhere family features a series of customizable microcontroller SoC platforms, based on SiFive's E3 Core IP Series, the world's most efficient RISC-V CPUs. The first member of the Freedom Everywhere family, the E300 platform is designed for embedded microcontrollers, IoT, and wearable markets.

Freedom E300 Platform
  • E3 Core IP Series
  • RV32IMAC Architecture
  • On chip Flash, OTP, SRAM
  • TSMC 180nm
Platform Guide
Ecosystem
  • FreeRTOS Support
  • Standard debugging tools
  • FPGA platform for early development
Get Dev Kit