Details
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

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

Product show

Outline Dimensions

Quick Overview
RA4M1-Zero
RA4M1-Zero x1

RA4M1-Zero-M
RA4M1-Zero with pre-soldered header x1
