Seeed Studio XIAO RA4M1 - Smallest Dev Board Based on 32-bit Renesas RA4M1, Arduino IDE-Ready, 19 GPIOs, RGB LED, CAN BUS, USB 2.0

Seeed Studio XIAO RA4M1 - Smallest Development Board Based on 32-bit Renesas RA4M1, Arduino IDE-Ready, 19 GPIOs, RGB LED, CAN BUS, USB 2.0

The XIAO RA4M1 integrates Renesas' RA4M1 chip (32-bit ARM® Cortex®-M4 MCU up to 48 MHz with FPU) into the classic XIAO form factor. This development board offers 256KB Flash, 32KB SRAM, 8KB EEPROM, a USB 2.0 connector, reset and boot buttons, 3 LEDs, a 14-bit A/D converter, a 12-bit D/A converter, and a CAN BUS interface. With onboard charging circuitry and low-power modes (as low as 45μA), it’s ideal for battery-powered applications. Sharing the same 32-bit microcontroller as the Arduino Uno R4, it's natively compatible with Arduino IDE, making it the perfect starting point for electronics projects thanks to the extensive XIAO accessories.

User Manual / Datasheet / Example Codes Etc.

Features

• Popular Microcontroller Onboard: Powered by Renesas RA4M1, an 32-bit ARM® Cortex®-M4 R7FA4M1AB3CFM MCU operating at up to 48 MHz, 256 KB of Flash memory, and 32 KB of SRAM.
• Highlighted Onboard Resources: Equipped with a 14-bit ADC, 12-bit DAC, CAN BUS, USB 2.0, and an onboard RGB LED.
• Expanded 8 New IOs: Adds 8 new IO pins on the back compared to previous XIAO boards (19 GPIOs in total), enabling more complex applications.
• Powerful Security Features: Built-in hardware encryption, secure boot, key storage, and other functions to ensure application security.
• Software Compatibility: Fully compatible with Arduino IDE for seamless project development and prototyping.
• Efficient Power Design: Offers 4 operating modes with power consumption as low as 45μA in deep sleep, and supports lithium battery charge management.
• Compact Thumb-Sized Design: Measuring 21 x 17.8mm, adopting Seeed Studio's classic XIAO form factor, ideal for space-conscious applications.
• Production-Friendly: Surface Mount Device (SMD) design with all components on the front and stamp holes on both sides, facilitating efficient mass production.

Specifications

• Product: XIAO RA4M1
• Processor: Renesas RA4M1 48-MHz Arm® Cortex®-M4 Core
• RAM: 32 KB SRAM
• Flash: 256 KB
• LEDs: 1 User LED, 1 Power LED, 1 RGB LED
• Interfaces: 19 Pins:14x Analog,19x Digital, 2x IIC, 2x UART, 2x SPI
• Buttons: 1 RESET Button, 1 BOOT Button
• Security: AES128/256
• Low Power: 45μA
• Software Compatibility: Arduino IDE
• Working Temperature: -20°C-70°C
• Dimensions: 21x17.8 mm
• Power: Type-C: 5V BAT: 3.8V

Applications

• Smart Control
• Education
• Robotics
• Wearables

Package Includes

• 1x Seeed Studio XIAO RA4M1
• 2x 7 Pin Header

Hardware Overview