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解决方案
SiFive Data Center Innovation

Read about SiFive’s data center strategy

Leadership in Embedded Markets

Learn about our 4th generation Essential products

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核心 IP
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软件与工具
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旧版开发板
All Boards
Featured Blog Post

The Vital Role of RISC‑V Development Boards

HiFive P550 Review

Level1Techs reviews the Premier P550

产品
软件与工具
Software Expansion

The RISC-V Software ecosystem is expanding rapidly

Premier P550 Boards

Learn about this premier development platform

资源与支持
资源与支持
RISC-V Software Expansion

The RISC-V Software ecosystem is expanding rapidly

Premier P550 Boards

Learn about this premier development platform

关于我们
关于我们
Cycuity Partnership

Collaborating with Cycuity and BAE Systems means better security for all

SiFive’s New Look

Read about our new visual identity

SiFive Essential
2-Series

2-Series

The SiFive Essential™ 2-Series are the smallest, most configurable 32-bit and 64-bit SiFive processors available, offering extremely efficient, optimized, low area and power solutions. 

The SiFive Essential 2-Series efficiently addresses traditional 8-bit and 32-bit microcontroller applications such as IoT, Analog Mixed Signal, Power Management Integrated Circuits (PMIC) and Programmable Finite State Machines (FSM), with an additional unique 64-bit product offering enabling 64-bit area optimized performance for general purpose embedded, industrial, IoT, and other real-time embedded markets.

  • Highly configurable feature set
  • Scalable performance
  • 32/64-bit embedded
  • 2-4 stage pipeline
  • Power & area optimized
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camera component using sifive essential

SiFive Essential 2-Series Features

32-bit or 64-bit RISC-V core 

Up to 1.77 DMIPS/MHz 

2-4 stage pipeline, with optional Harvard microarchitecture 

Up to 47-bit physical addressing 

Double, single and half precision floating point

Bit manipulation extensions

Advanced security options including WorldGuard

Efficient memory accesses 

  • Ability to add multiple outbound ports
  • Industry standard AMBA compliant bus protocols enable easy integration 
  • Optional tightly integrated memory (TIM) and optional micro-instruction cache 

64-bit RISC-V compressed instructions (S2 only) 

Directly address >32-bit physical address space (S2 only)

64-bit arithmetic operations (S2 only)

SiFive Essential Family

6-Series
Essential
  • Highly configurable feature set
  • Scalable performance
  • 32/64-bit embedded or 64-bit rich-OS
  • 8-stage pipeline
  • Single issue
View 6-Series
7-Series
Essential
  • Highly configurable feature set
  • Scalable performance
  • 32/64-bit embedded or 64-bit rich-OS
  • 8-stage pipeline
  • Dual issue superscalar
View 7-Series

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Core IP Families

Automotive
SiFive Automotive™ solutions provide a range of high-end application and real-time processors, delivering industry-leading performance, minimal area, and low power consumption. ISO 21434, ISO26262 ASIL B, ASIL D and split-lock certifications.
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Intelligence
Intelligence embraces a software-first approach to processor design, addressing the future needs of deploying ML and AI at the edge. It provides high-performance, scalable vector and matrix compute capabilities, adaptable to evolving workloads.
View Intelligence
Performance
The SiFive Performance™ family of RISC-V processors is designed for maximum throughput and performance efficiency for a range of application from datacenter workloads, ranging from Web servers and multimedia processing, Networking/Storage to consumer applications like TV, wearables and other smart devices requiring AI functionality.
View Performance