RISC-V CPU IP Solution

N300
Series 32-Bit High Efficiency Processor
N300 Series is a 32-bit RISC-V processor designed for applications requiring extreme energy efficiency and DSP/FPU features. N300 Series can be applied to AIoT, embedded and industrial control, etc.
N300 Core
WFI/WFE
Debug
4-Wire JTAG/2-Wire cJTAG
NICE
ECLIC
Timer
NICE
FPU
DSP
N300 uCore
PMP
TEE
MUL/DIV
ILM
DLM
I/DCache
AHB-Lite
APB
Fast-IO
  • Great Power Efficiency
  • RV32IMACFD
    BPKC/Zcxlcz
  • 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 Dev Kit & SDK
  • RV32IMACFDBPKC/Zcxlcz ISA supported
  • Support fast interrupt tail-chaining mechanism, vectored interrupt processing
    mode for extremely fast interrupt response, and interrupt preemptions based
    on interrupt levels.
  • Configurable Dual-Issue micro-architecture
  • Support NICE
  • Configurable ILM (Instruction Local Memory) and
    DLM (Data Local Memory) with ECC
  • Configurable Instruction-Cache and Data-Cache with ECC
  • Support Single and Double-Precision floating point and SIMD DSP.
  • TEE supported to meet the system security requirement
  • Full Standard Debug Function with JTAG/cJTAG port.
  • Full Standard RISC-V Toolchain, and Linux/Windows IDE supported
Download N300 Product Brief
300 Series Performance and Configurability
Nuclei CPU IP N305 N307 N308 N310 N320
Pipeline Stages 3
Issue-Width Single-Issue Single-Issue Single-Issue Dual-Issue Dual-Issue
User Mode & PMP(MPU) Configurable Configurable Configurable Configurable Configurable
Hardware Multiplier Yes Yes Yes Yes Yes
Hardware Divider Yes Yes Yes Yes Yes
Single-Precision/Double-Precision FPU No Configurable Configurable Configurable Configurable
Instruction-Cache Configurable Configurable Configurable Configurable Configurable
Data-Cache No Configurable Configurable Configurable Configurable
ILM Configurable Configurable Configurable Configurable Configurable
DLM Configurable Configurable Configurable Configurable Configurable
Digital Signal Processing (DSP) No Configurable Configurable Configurable Configurable
NICE Configurable Configurable Configurable Configurable Configurable
TEE No No Configurable Configurable Configurable
K-Crypto No No No Configurable Configurable
DCache Prefetch/Pair Load Store No No No No Configurable
Customize a N300 series processor
Customer Cases
ASR595X

Single-Chip Highly Integrated WiFi6+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

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
WTM2101

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
CM32M43xR Series

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
More
Partners（排名不分先后）

RISC-V Foundation

SICA

China RISC-V Industry Alliance

China RISC-V Alliance

SZICC

HBSIA

CBSIA

SOPIC

武汉光电工业技术研究院

Amlogic

VeriSilicon

LAUTERBACH

TencentOS Tiny

OpenHarmony

PlatformIO

SEGGER

MUCSE

ORITEK

Brite

Innochip Technology

格见构知

AistarTek

exide

HighTec

CALTERAH

BinarySemi

X-EPIC

SILERGY

MachineWare

SIMANGO

TrustKernel

XIAOMI

JINGWEI HIRAIN

SIEMENS EDA

Motorcomm

CHIPWAYS

SWID

taolink-tech

GeoforceChip

ChipIntelli

Witmem

Fisilink

TIH Microelectronics

XinSheng Tech

GigaDevice

ASR

AnLogic

TusStar

Mocro & Nano Institute

RT-Thread

OPEN AI LAB

IAR

HUST

SJTU

WHU

HBUT

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