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The RISC-V Software ecosystem is expanding rapidly

Premier P550 Boards

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RISC-V Software Expansion

The RISC-V Software ecosystem is expanding rapidly

Premier P550 Boards

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SiFive Essential
U Series

U Series Gen 4

SiFive Essential™ U Series products are high performance Essential cores offering an 8-stage single- or dual-issue pipeline ideal for power sensitive applications which require high performance (e.g., augmented reality and virtual reality, IoT edge compute, biometric signal processing, wearables, and industrial automation).

  • Highly configurable feature set
  • Scalable performance
  • 64-bit rich-OS Support, including Linux
  • 8-stage pipeline
  • Up to dual-issue superscalar
  • Up to 8-core coherent multicore
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SiFive Essential 
U Series Gen 4 Features

64-bit RISC-V core 

Up to 3.3 DMIPS/MHz, 5.8 CoreMark/MHz 

Single- or dual-issue 8-stage pipeline

Coherent multicore capable with shared level 2 cache 

Optional SECDED ECC support on Level 1 and Level 2 memories 

Memory management unit (MMU) supporting up to 48-bit virtual addressing

Support for 64-bit rich OS's, including Linux

Double, single and half-precision floating point 

Advanced security options including WorldGuard 

Configurable range of memory and SoC interface options 

  • Flexible and configurable port interfaces including IO coherent interface (front port) 
  • Direct, dedicated core local port for hardware peripheral / accelerator connectivity
  • Industry standard AMBA compliant bus protocols enable easy integration 

Download Essential
U Series Gen 4 Product Briefs

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

U6 Product BriefU7 Product Brief

SiFive Essential Family

E Series
Essential
  • Highly configurable feature set
  • Scalable performance
  • 32-bit embedded RTOS support
  • Up to 8-stage pipeline
  • Power & area optimized
  • Up to dual-issue superscalar
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S Series
Essential
  • Highly configurable feature set
  • Scalable performance
  • 64-bit embedded RTOS support
  • 8-stage pipeline
  • Up to dual-issue superscalar
View S 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.
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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.
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