Wave UNO R4 Mini Board - R7FA4M1AB3CFM

The Wave UNO R4 Mini (RA4M1-Zero) is a compact, high-performance development board powered by the Renesas R7FA4M1AB3CFM microcontroller. Featuring a 32-bit ARM Cortex-M4 core with Floating Point Unit (FPU) running up to 48MHz, it combines strong processing power with excellent precision. With 256KB Flash, 32KB SRAM, and 8KB EEPROM, it offers ample memory for both code and data storage, while integrated peripherals like the 14-bit ADC, 12-bit DAC, CAN bus, and USB 2.0 interface provide flexible connectivity for embedded applications.



Designed for both prototyping and product integration, the UNO R4 Mini includes castellated edges for direct soldering to carrier boards and hardware-level security features such as firmware encryption, secure boot, and anti-tamper protection. It’s fully compatible with the Arduino IDE, making it simple to develop and debug projects ranging from automation systems to IoT prototypes, all within a compact and efficient design.

Quick Spec

• Microcontroller: Renesas R7FA4M1AB3CFM (RA4M1 Series)
• Core: ARM Cortex-M4 (32-bit) with FPU
• Clock Speed: Up to 48MHz
• Memory: 256KB Flash, 32KB SRAM, 8KB EEPROM
• ADC: 14-bit
• DAC: 12-bit
• Interfaces: CAN bus, USB 2.0, UART, SPI, I²C
• Security: Firmware encryption, secure boot, anti-tamper protection
• Onboard Components: RGB LED
• Development Support: Compatible with Arduino IDE

Dimensions

Board Layout

1. Renesas R7FA4M1AB3CFM: onboard FPU, up to 48MHz operating frequency
2. WS2812 cool RGB LED: controlled via MCU GPIO D6 pin
3. BOOT button: press it when resetting to enter Bootloader download mode
4. USB Type-C connector: for program downloading, supports USB1.1 hosts and slave devices
5. RESET button
6. ME6217C33M5G: low dropout LDO, max current 800MA
7. 0R resistor: 3.3V / 5V MCU voltage selection, 3.3V by defau

Pinout

Resources

• Product Page
• Product Wiki
• Arduino IDE
• Schematic

Shipping List

• 1 x Wave UNO R4 Mini Board - R7FA4M1AB3CFM