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

China Mobile's first MCU chip based on RISC-V core


  • 144MHz, N308 core supports DSP, FPU, TEE, etc.
  • Encrypted memory (512KB on-chip Flash + 144KB on-chip SRAM)
  • Rich security features (built-in cryptographic algorithm hardware acceleration engine, TRNG, etc.)
  • Rich communication interfaces and high-performance analog interfaces
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

taolink-tech

GeoforceChip

ChipIntelli

Witmem

Fisilink

TIH Microelectronics

XinSheng Tech

GigaDevice

ASR

AnLogic

TusStar

Mocro & Nano Institute

BEIJING ACADEMY OF EDGE COMPUTING

RT-Thread

OPEN AI LAB

IAR

HUST

SJTU

WHU

HBUT

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