SiFive E76
SiFive · Essential U 系列
64 bit
In production
Commercial license
FPUMMUMulti-core
Bit width
64bit
Max frequency
Not published
Pipeline
8 级、单/双发射顺序
CoreMark/MHz
5.8
License
Commercial license
Maturity
In production
Architecture and ISA
| Vendor / Origin | SiFive（United States） |
|---|---|
| Bits / ISA | 64 bit · RV64GC |
| Pipeline | 8 级、单/双发射顺序 The vendor or source notes are in Chinese in the original |
| Features | FPU MMU Multi-core |
| Max frequency | Not published |
Ecosystem and toolchain
| Toolchain | SiFive Freedom Studio / RISC-V GNU Toolchain / LLVM |
|---|---|
| Operating systems | Linux / FreeRTOS / Zephyr |
| Representative silicon | — |
| MCUs with this brand in the catalog | 5 MCU (not all of them use this core) |
Sources and notes
The vendor or source notes are in Chinese in the original 官方页面：U 系列 Gen4，64 位 RISC-V，8 级单/双发射，最高 3.3 DMIPS/MHz、5.8 CoreMark/MHz，MMU 支持 48 位虚拟地址，FP16/32/64，最多 8 核一致多核，可选 WorldGuard。未公布频率（随工艺/库变化），freq=null。
Last verified 2026-11-04