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SiFive Automotive
S7-A Series

Automotive S7-A Series

The SiFive Automotive™ S7-A Series is designed for high performance real-time applications including automotive safety islands requiring ASIL D. It is a power efficient, high performance 64-bit embedded processor. Its advanced memory subsystem enables the inclusion of memory and caches for optimal performance.

As a 64-bit processor it is perfectly positioned to implement safety islands in advanced SoCs for ADAS, IVI and Central Car Compete.

  • Broadest range of optimized RISC-V safety processors (ISO 26262 ASIL B, ASIL D and split-lock)
  • ADAS/AD, IVI, Body, Powertrain, Central Compute
  • Safety Islands
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SiFive Automotive
S7-A Series Features

The SiFive Automotive S7-A Series is fully optimized for area, performance, and efficiency, and is specifically designed for embedded automotive safety islands. Building on the robust foundations of the mature SiFive Essential™ portfolio, the design of the S7-A Series offers industry best-in-class functional safety support as a Safety Element out of Context to enable use in applications with Automotive Safety Integrity Level (as per ISO 26262) up to ASIL D. 

The finely tuned combination of out-of-the-box features and design scalability ensures designers can achieve the optimal balance of power, performance, and area while achieving the fastest time to market.

SiFive Automotive S7-A Series Key 
Features and Support 

  • 64-bit RISC-V ISA 
  • ASIL D 
  • Functional Safety Package and Independent Assessment 
  • Dual Issue Superscalar, in-order 8-stage Harvard Pipeline 
  • Up to 3.29 DMIPS/MHz, 5.67 CoreMark/MHz 
  • Optional SECDED ECC support on Level 1 memories 
  • Up to 47-bit physical addressing 
  • Double, Single, and Half-precision floating point 

  • Configurable range of memory and SoC interface options 
  • Flexible and configurable port interfaces, fully compliant with industry standard AMBA protocols 
  • Direct, dedicated Core Local Port for hardware peripheral/accelerator connectivity 
  • WorldGuard Security 
  • Debug and Trace 
  • ISO 26262 and ISO 26262 

SiFive Automotive Family

E6-A Series
Automotive
  • 32-bit 8 stage scalar
  • Balanced performance and efficiency
  • ASIL B, D
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E7-A Series
Automotive
  • 32-bit superscaler
  • High performance and efficiency
  • ASIL B, D
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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, SO26262 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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