蜂鸟 E203（Hummingbird E203）
Open source (Nuclei-maintained) · Hummingbird
32 bit
In production
Open source
Real-time
Bit width
32bit
Max frequency
Not published
Pipeline
2 级单发射顺序
CoreMark/MHz
—
License
Open source
Maturity
In production
Architecture and ISA
| Vendor / Origin | Open source (Nuclei-maintained)（Chinese mainland） |
|---|---|
| Bits / ISA | 32 bit · RV32IMC |
| Pipeline | 2 级单发射顺序 The vendor or source notes are in Chinese in the original |
| Features | Real-time |
| Max frequency | Not published |
Ecosystem and toolchain
| Toolchain | RISC-V GNU Toolchain / HBird SDK |
|---|---|
| Operating systems | FreeRTOS / 裸机 |
| Representative silicon | 蜂鸟 FPGA 开发板（DDR200T/MCU200T） |
| MCUs with this brand in the catalog | 0 MCU (not all of them use this core) |
Sources and notes
The vendor or source notes are in Chinese in the original 原始 E203：2 级流水、超低功耗/面积，Apache-2.0。Hummingbirdv2 增加 NICE 协处理器扩展与 APB 外设，由 Nuclei 维护。官方未给最高频率（FPGA 演示常见 16–50MHz，ASIC 可实现更高），freq=null。maturity=量产 指 RTL 成熟并广泛用于教学/FPGA 与部分商用，非指某一颗芯片。
Last verified 2026-11-04