RA4M1-Zero-M

Wiki: www.waveshare.com/wiki/RA4M1-Zero

RA4M1-Zero mini development board, based on 32-bit MCU-RA4M1, 48MHz operating frequency, built-in FPU, supports firmware encryption

RA4M1-Zero Mini Development Board

Based on 32-bit MCU-RA4M1, onboard multiple GPIO pins

Castellated module, suitable for SMD applications

Board specifications

• Powerful Core Performance: Adopts Renesas RA4M1 MCU, based on 32-bit ARM Cortex-M4 architecture. Operates at 48MHz with built-in FPU (Floating Point Unit), equipped with 256KB flash memory, 32KB SRAM, and 8KB EEPROM
• Rich Hardware Resources: Equipped with 14-bit ADC, 12-bit DAC, CAN bus controller, USB 2.0 interface, and onboard RGB LED
• Enhanced Security Features: Supports firmware encryption, secure boot, and tamper-proof to enhance data and system security, ensuring application security
• Efficient Software Ecosystem: Compatible with Arduino IDE, enabling rapid development and convenient debugging while reducing development complexity
• Compact Form Factor: Adopts Waveshare's classic Zero-size design (18 × 23.5 mm), suitable for applications with limited space
• More Convenient For Mass Production: Adopts surface-mount technology (SMT) with all pads located on the front side and castellated hole design for easy custom expansion

Version options

RA4M1-Zero
without pinheader

RA4M1-Zero-M
with pre-soldered header

Arduino Development Supported

Comprehensive SDK, Dev Resources, Tutorials To Help You Easily Get Started

What's On Board

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 default

Pin Definition

Product show

Outline Dimensions