Resources & Support

SiFive Essential
E Series

E Series Gen 4

The SiFive Essential™E Series Gen 4 are the smallest, most configurable 32-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).

  • Highly configurable feature set
  • Scalable performance
  • 32-bit embedded
  • 2-8 stage single- or dual-issue pipeline
  • Power & area optimized
camera component using sifive essential

SiFive Essential 
E Series Gen 4 Features

32-bit RISC-V cores

Up to 1.77 DMIPS/MHz 

Up to 8-stage pipeline

32-bit physical addressing 

Double, single and half precision floating point

Bit manipulation extensions

Advanced security options including WorldGuard

Single or Multicore (up to 8 cores)

Efficient memory accesses 

  • Ability to add multiple outbound ports
  • Industry standard AMBA compliant bus protocols enable easy integration 
  • Optional tightly integrated memories (TIM)
  • Level 1 and level 2 cache options

Download Essential
E Series Gen 4 Product Briefs

Learn more about SiFive Essential E-Series benefits! Download our product briefs today or contact our sales team with any questions.

SiFive Essential Family

S Series
Essential
  • Highly configurable feature set
  • Scalable performance
  • 64-bit embedded or RTOS support
  • 2-8 stage pipeline
  • Up to dual-issue superscalar
U Series
Essential
  • Highly configurable feature set
  • Scalable performance
  • 64-bit rich-OS support, including Linux
  • 8-stage pipeline
  • Up to dual-issue superscalar

Contact Sales

To understand how your data is protected, read our Privacy Policy.

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.
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.
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.