S7 Series
S76
The SiFive S76 Standard Core is a high-performance 64-bit embedded processor which is fully-compliant with the RISC-V ISA.
The S76 is ideal for latency-sensitive applications in domains such as storage and networking that require 64-bit memory addressability (e.g. In-storage Compute, Edge Compute, 5G Modems, Object storage etc.)
S76 Key Features
- Fully-compliant with the RISC-V ISA specification
- RV64GBC S76 Core
- Machine and User Mode Support
- In-order, 8-stage pipeline
- Advanced Memory Subsystem
- 32KB Instruction Cache
- 32KB Instruction Tightly Integrated Memory (ITIM)
- 32KB Data Cache
- 32KB Data Local Store (DLS)
- Efficient and flexible interrupts
- Physical Memory Protection (PMP)
- High-performance AMBA Interfaces
- 4.27/3.29DMIPS/MHz (Best Effort/Legal)
- 5.67 CoreMark/MHz
- Detailed Power, Performance, and Area (PPA) Information
S7 Series
Cortex-R8
Instruction Set Architecture
64-bit
32-bit
Number of coherent cores
8
4
Physical Memory Protection
Yes
Yes
Heterogeneous, in-cluster coherent compute
Yes; can be combined with U7 series cores
No; cannot be combined with Cortex-A cores
L2 cache
Optional; pre-integrated
None
Memory map
Customizable
Fixed
S76 Development Kit
Dev Kit Deliverables
- RTL Evaluation
- Test Bench RTL
- Software Development Kit
- FPGA Bitstream
- Documentation
S7
Series Overview
S7 Series
The S7 Series offers a 64-bit embedded processor targeting high-performance, real-time applications that require 64-bit memory addressability. The S7 core has a superscalar 8-stage in-order pipeline.
S7 Series Highlights
Key Features
- Up to 8 coherent high-performance RISC-V real-time processors
- Supports an in-cluster coherent combination of application processors with real-time processors (S7 and U7)
- L2 cache available for high-performance applications (optional)
- New microarchitecture features for enhanced security and real-time determinism
- Physical addressing up to 47-bits
- 64-bit addressability for embedded applications
- Support for SiFive Insight Advanced Trace and Debug
- Support for whole SoC Security with SiFive Shield
- Floating Point Unit supporting Double, Single and Half Precision
- Tightly integrated Core Local Port
- Bit manipulation extension
Applications
- Enterprise Storage, Object Storage
- In-storage Compute, Edge Devices
- FAST data analytics, Line-rate network processing
- Baseband Processing, 5G Modems
- Telematics Units
Core Evaluation
From idea to reality.
Ready to see your code in action? The S76 Development Kit enables free evaluation of SiFive RISC-V Core IP.
Key
Deliverables
Evaluation RTL
- Full-Functional, synthesizable Verilog RTL
- Run it in your own simulator
- Simple, no-cost evaluation license
Start S76 Free Trial
FPGA Bitstream
- Fully-functional SiFive RISC-V Core Complex with system peripherals
- High Performance - 32.5 MHz emulation
- Upload your own programs using the Freedom E SDK
Compatible with the Arty A7-100T and Xilinx VCU118 FPGA Development Board:
