Customer Login
Solutions
Solutions
SiFive Data Center Innovation

Read about SiFive’s data center strategy

Leadership in Embedded Markets

Learn about our 4th generation Essential products

Products
Core IP
Boards
Software & Tools
Products
Essential Family
Intelligence Family
Performance Family
Automotive Family
Products
Available Now
Legacy Boards
All Boards
Featured Blog Post

The Vital Role of RISC‑V Development Boards

HiFive P550 Review

Level1Techs reviews the Premier P550

Products
Software & Tools
Software Expansion

The RISC-V Software ecosystem is expanding rapidly

Premier P550 Boards

Learn about this premier development platform

Resources & Support
Resources & Support
RISC-V Software Expansion

The RISC-V Software ecosystem is expanding rapidly

Premier P550 Boards

Learn about this premier development platform

About Us
About Us
Cycuity Partnership

Collaborating with Cycuity and BAE Systems means better security for all

SiFive’s New Look

Read about our new visual identity

Documentation

Kickstart your next build

SiFive Core IP

SiFive® Automotive™ IP

SiFive Automotive Family Brief

SiFive Automotive E6-A Product Brief
SiFive Automotive E7-A Product Brief
SiFive Automotive S7-A Product Brief

SiFive® Essential™ IP

SiFive Essential Family Brief

SiFive Essential E2 Product Brief
SiFive Essential E6 Product Brief
SiFive Essential E7 Product Brief
SiFive Essential S2 Product Brief
SiFive Essential S6 Product Brief
SiFive Essential S7 Product Brief
SiFive Essential U6 Product Brief
SiFive Essential U7 Product Brief

SiFive® Intelligence™ IP

SiFive Intelligence Gen 1 Family Brief
SiFive Intelligence X280 Gen 1 Product Brief
SiFive Intelligence X288 Gen 1 Product Brief
SiFive Intelligence X390 Gen 1 Product Brief

SiFive Intelligence Gen 2 Family Brief

SiFive Intelligence X160 Gen 2 Product Brief
SiFive Intelligence X180 Gen 2 Product Brief
SiFive Intelligence X280 Gen 2 Product Brief
SiFive Intelligence X390 Gen 2 Product Brief
Deploying BEV Perception Models on RISC-V

SiFive® Performance™ IP

SiFive Performance Family Brief

SiFive Performance P450 Product Brief
SiFive Performance P470 Product Brief
SiFive Performance P650 Product Brief
SiFive Performance P670 Product Brief
SiFive Performance P870-D Product Brief

Additional Resources

SiFive Crypto Archive

Case Studies

X160 Accelerator Control Unit Use Case Study

X160 Standalone Vector CPU Case Study

Intelligence X280 Kinara Case Study

Intelligence X280 Google Data Center Case Study

Essential FADU Case Study

Upbeat Technology Case Study

Chips

Freedom E310-G000 Manual
Freedom E310-G000 Datasheet
Freedom E310-G002 Manual
Freedom E310-G002 Datasheet
Freedom E310-G003 Manual
Freedom E310-G003 Datasheet
Freedom U540-C000 Manual
Freedom U740-C000 Manual

Boards

HiFive Premier P550

HiFive Premier P550 Getting Started Guide

Carrier Board 3D Model
Carrier Board Schematic
Carrier BOM
EIC7700X Datasheet
HiFive Premier P550 Datasheet
HiFive Premier P550 Image Update Procedure
HiFive Premier P550 MCU User Manual
HiFive Premier P550 Product Brief
HiFive Premier P550 Software Reference Manual
SOM Board 3D Model
SOM BOM
SOM Schematic

HiFive Unmatched

Getting Started Guide

Schematics

HiFive Unmatched Rev B

Getting Started Guide

Schematics

HiFive1 Rev B

Getting Started Guide
Schematics

HiFive1

Getting Started Guide
Schematics

HiFive Unleashed

Getting Started Guide
Schematics

VCIX

SiFive Vector Coprocessor Interface (VCIX) Software Specification

SiFive Intelligence Extensions

Exponential Approximation Instruction (Xsfvfexpa) Extension Specification
Exponential Function Instruction (Xsfvfexp32e, Xsfvfexp16e, Xsfvfbfexp16e) Extension Specification
Xsfmm Matrix Extensions Specification
SiFive Int8 Matrix Multiplication Extensions Specification
FP32-to-int8 Ranged Clip Instructions (Xsfvfnrclipxfqf) Extension Specification
Matrix Multiply Accumulate Instruction (Xsfvfwmaccqqq) Extension Specification

TileLink

TileLink Spec 1.9.3

Application Notes

SiFive RISC-V Vector Crypto Acceleration Solution Version 1.1
SiFive Accelerates the RISC-V Android Ecosystem: Unleashing Performance on Libyuv with RVV
Embedded Software Quick Start Guide
Optimizing RISC-V Software for Code Density
Understanding Half-Precision Floating Point
Using SiFive WorldGuard for Deploying a TEE/REE System
SiFive WorldGuard Technical Paper