SiFive Essential™ T Series Gen 4 cores are 32-bit embedded processors with an MMU supporting Sv32 virtual addressing. The T6 delivers excellent performance in a small footprint. Advanced security features are included making it an ideal solution for root-of-trust or security monitoring functions.
SiFive Essential
T Series

T Series Gen 4

SiFive Essential
T Series Gen 4 Features
Architectural Features
- Highly configurable feature set
- Multi-core
- RV32l based architecture with 32-bit embedded RTOS support
- MMU (SV32) provides virtual memory addressing
- Single issue 8-stage pipeline
Security Features
- WorldGuard – up to 8 Worlds
- Shadow stack and landing pads (CFI)
- Hardware Crypto Accelerator
- Protected / secure debug
- Up to 16 PMP regions
- ECC or Parity protection for cache RAMs

SiFive Essential Family
E Series
Essential
- 32-bit processing
- Highly configurable feature set
- Scalable performance
- 32-bit embedded RTOS support
- Up to 8-stage pipeline
- Power & area optimized
- Up to dual-issue superscalar
S Series
Essential
- 64-bit processing
- No code size increase over 32-bit core
- Highly configurable feature set
- Scalable performance
- 64-bit embedded RTOS support
- Up to 8-stage pipeline
- Up to dual-issue superscalar
U Series
Essential
- Memory Management Unit providing virtual memory support
- Highly configurable feature set
- Scalable performance
- 64-bit rich OS support (including Linux)
- 8-stage pipeline
- Up to dual-issue superscalar
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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.
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.








