RISC-V CPU IP Solution

N300
Series 32-Bit High Performance Processor
N300 series 32-bit risc-v processor is designed for scenarios with extreme energy efficiency and requiring DSP and FPU characteristics. N300's performance equal to arm Cortex-M3 / M4 / m4f / M33, which can be applied to AIoT, and industrial control scenarios.
N300 Core
WFI/WFE
Debug
JTAG/2-Wires JTAG
NICE
ECLIC
Timer
NICE
FPU
DSP
N300 uCore
PMP
TEE
MUL/DIV
ILM
DLM
ICache
AHB-Lite
APB
Fast-IO
  • Best energyefficiency
  • RV32I MACFDPB
  • 3 Stage Pipeline
  • I/D Cache
  • Security (PMP,TEE)
  • NICE Extension
  • SP/DP FPU & DSP
  • AHB-Lite
  • RISC-V Standard Debug
  • JTAG & cJTAG
  • Low Latency Interrupt
  • Full Development Toolkit
  • RV32I/EMACB ISA supported,Configurable Different levels of processors such as n305, n307, n308 and n309
  • Support fast interrupts tail-chaining mechanism ,vectored interrupt processing mode for extremely fast interrupt response,and interrupt preemptions based on interrupt levels.
  • Support NICE
  • Configurable ILM/DLM
  • Configurable Instruction-Cache
  • Configurable Data-Cache
  • Support single/double float and SIMD DSP.
  • Support TEE
  • Full Standard Debug Function with JTAG port.
  • Full Standard RISC-V Toolchain, and Linux/Windows IDE supported
Comparisons to Cortex-M3 Comparisons to Cortex-M4 Comparisons to Cortex-M33 Comparisons to Cortex-M33
Nuclei CPU IP N305 N307 N308 N309
Dhrystone(DMIPS/MHz) 1.81/4.70(Legal/Best Effort)
CoreMark(CoreMarks/MHz) 3.71
Pipeline Stages 3
User Mode & PMP(MPU) Configurable Configurable Configurable Configurable
Hardware Multiplier Yes Yes Yes Yes
Hardware Divider Yes Yes Yes Yes
Single-Precision/Double-Precision FPU No Configurable Configurable Configurable
Instruction-Cache Configurable Configurable Configurable Configurable
Data-Cache No No No Configurable
Digital Signal Processing (DSP) Configurable Configurable Configurable Configurable
NICE Configurable Configurable Configurable Configurable
TEE Configurable Configurable Configurable Configurable
Customer Case

Single-Chip Highly Integrated Wi-Fi 6+BLE 5.1 Combo Solution


  • 160MHz, N309 core supports DSP, FPU, TEE, etc.
  • Wifi-6 (IEEE 802.11b/g/n/ax) and BLE dual mode
  • Highly integrated design (RF +802.11 PHY+MAC, BLE PHY+MAC, etc.)
  • Rich security features (built-in cryptographic algorithm hardware acceleration engine, TRNG/PRNG, etc.)

CI1122 is an AI smart speaker chip.


  • 180MHz, N307 core supports DSP, FPU, etc.
  • Built-in brain neural network processor BNPU
  • Built-in high-performance low-power Audio Codec module
  • Support local speech recognition within 200 command words

The world's first integrated storage and computing chip


  • 148MHz, N307 core supports DSP, FPU, etc.
  • Based on the integrated storage and computing technology, high computing power and low power consumption can be achieved at the same time
  • Ultra-high computing power: 50Gops 8-bit AI computing power
  • Ultra-low power consumption: 5uA-3mA
Partners(排名不分先后)

RISC-V Foundation

SICA

China RISC-V Industry Alliance

China RISC-V Alliance

武汉光电工业技术研究院

HBSIA

CBSIA

Amlogic

VeriSilicon

LAUTERBACH

TencentOS Tiny

OpenHarmony

PlatformIO

SEGGER

TrustKernel

XIAOMI

RT-Thread

OPEN AI LAB

AnLogic

ASR

GigaDevice

XinSheng Tech

TIH Microelectronics

FisiLink

Witeme

ChipIntelli

Geoforce Chip

TAOLINK TECHNOLOGIES

Huazhong University of Science and Technology

Shanghai Jiao Tong University

Wuhan University

Hubei University of Technology

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