Renesas R9A06G150 Voice Recognition MCU | RISC-V Voice HMI Solution for Offline AI Control
The RENESAS Electronics R9A06G150 is a highly integrated 32-bit RISC-V microcontroller designed specifically for offline voice recognition and Human Machine Interface (HMI) applications.
This ASSP (Application-Specific Standard Product) provides a turnkey voice solution, combining hardware, pre-integrated voice recognition software, and development tools to significantly reduce design complexity and time-to-market.
It is ideal for developers looking to implement cost-effective, low-power, and cloud-independent voice control systems.
Part Numbers
| Part Number | Package | Temp. Range (°C) | Lead Count (#) | Pkg. Dimensions (mm) |
| R9A06G1502GNE | HWQFN | -40 to +85°C | 48 | 7 x 7 x 0.8 |
| R9A06G1502GNH | HWQFN | -40 to +85°C | 32 | 5 x 5 x 0.8 |
| R9A06G1502GNK | HWQFN | -40 to +85°C | 24 | 4 x 4 x 0.8 |
Key Features
Optimized for Voice Recognition
Supports keyword spotting (KWS) and command recognition
Works with digital (PDM) and analog microphones
Multi-language support available
Enables fully offline voice control without cloud dependency
RISC-V CPU with DSP Capability
32-bit RISC-V core (D25F)
Up to 100 MHz operating frequency
Integrated DSP and floating-point support
Efficient processing for real-time voice algorithms
Ultra-Low Power Consumption
Optimized active and standby power modes
Fast wake-up functionality
SRAM power control
Perfect for always-on voice listening devices
Turnkey Voice Solution (Major Advantage)
Preloaded voice recognition firmware (via ecosystem partners)
GUI-based configuration tools
Reference hardware and software designs
No in-house AI/voice expertise required
Rich Peripheral Interfaces
UART, SPI, I²C, I3C
Audio interfaces: PDM, SSI
Integrated 12-bit ADC and DAC
Flexible integration as:
Standalone MCU
Voice co-processor with host MCU
Key Specifications
| Parameter | Specification |
| CPU | 32-bit RISC-V |
| Frequency | Up to 100 MHz |
| Flash Memory | 256 KB |
| SRAM | 128 KB |
| Data Flash | 16 KB |
| ADC | 12-bit |
| DAC | 12-bit ×2 |
| Interfaces | UART, SPI, I²C, I3C |
| Audio Interface | PDM, SSI |
| Operating Voltage | 2.7V – 3.3V |
| Temperature Range | -40°C to +85°C |
| Package | QFN (24/32/48-pin) |
Applications
Smart Home Devices
·Voice-controlled lighting
·Smart switches and appliances
·Air conditioners
IoT & Building Automation
·Voice control panels
·Smart access systems
·Industrial HMI
Consumer Electronics
·Smart toys
·Interactive devices
·Entry-level smart speakers
Medical Devices
·Touch-free voice interfaces
·Assistive control systems
CORE is a distributor for RENESAS' MCU, we can offer stock and short lead time buy. If you need to know more about and purchase RENESAS products, you can consult CORE customer service or fill out the RFQ.
