U54-MC

U5 Series

U54-MC

The SiFive U54-MC Standard Core is the world’s first RISC-V application processor, capable of supporting full-featured operating systems such as Linux.

The U54-MC has 4x 64-bit U5 cores and 1x 64-bit S5 core—providing high performance with maximum efficiency. This core is an ideal choice for low-cost Linux applications such as IoT nodes and gateways, storage, and networking.

U54-MC的主要特征:

  • Fully compliant with the RISC-V ISA specification
     
  • 4x RV64GC U54 Application Cores
    • 32KB L1 I-cache with ECC
    • 32KB L1 D-cache with ECC
    • 8 Region Physical Memory Protection
    • 48 Local Interrupts per core
    • Sv39 Virtual Memory support with 38 Physical Address bits
  • 1x RV64IMAC S51 Monitor Core
    • 16KB L1 I-Cache with ECC
    • 8KB DTIM with ECC
    • 8 Region Physical Memory Protection
    • 48 Local Interrupts
  • Fully Coherent TileLink Bus
     
  • Integrated 2MB L2 Cache with ECC
     
  • Real-time capabilities
    • Both the L1 Instruction Cache and the L2 Cache can be configured into high speed deterministic SRAMs
  • CLINT for multi-core timer and software interrupts
     
  • PLIC with support for up to 511 interrupts with 7 priority levels
     
  • Debug with instruction trace
     
  • U54 Performance
    • 2.87/1.7 DMIPS/MHz (Best Effort/Legal)
    • 2.75 CoreMark/MHz

U5

Series Overview

U5系列

The U5 Series features a RISC‑V Linux-capable application processor that offers high performance with maximum efficiency. The U5 core has a 5-6 stage pipeline and supports virtual memory, enabling 64-bit RISC-V applications.

U5系列亮点

主要特征

  • Up to 9 cores and optional L2 Cache Controller
  • Heterogeneous multi-core with a configurable number of U5 and S5 Cores pre-integrated in a single deliverable
  • U5 and S5 Core performance
  • L1 and L2 memory systems and optional ECC protection
  • Number, type, and width of bus interfaces

应用领域

  • Low-cost Linux
  • Industrial
  • IoT
  • Storage
  • Networking
  • General-purpose embedded

所有标准核心

CoresAreaStandard CoresARM Comparison
E2 系列 E20 ,E21 ,E24

M0, M0+, M3, M4, M23, M33

E3 系列 E31 ,E31

R4, R5

E7 系列 E76 ,E76-MC

M7, R7, R8

S2 系列 S21

***

S5 系列 S51 ,S54

R4, R5

S7 系列 S76 ,S76-MC

M7, R7, R8

U5 系列 U54 ,U54-MC

A5, A7, A35, A53

U7 系列 U74 ,U74-MC

A55