Quick answer

XIAO RA4M1 is a development board from Seeed Studio, listed under IoT. It uses the R7FA4M1AB3CFM on a RA4M1 core. It carries 256KB flash, 32KB RAM, 19 GPIO. Official framework support: Arduino. Renesas RA4M1 Cortex-M4 at 48 MHz with 19 GPIO, CAN, a 14-bit ADC and 12-bit DAC, compatible with the Arduino Uno R4 ecosystem.

Vendor
Seeed Studio
Architecture
RA4M1
MCU
R7FA4M1AB3CFM
Clock
48MHz
Flash
256KB
RAM
32KB
GPIO
19
Current draw
5V / 3.8V BAT
Focus
IoT

Common questions

What is the XIAO RA4M1 development board?

XIAO RA4M1 is a development board from Seeed Studio, listed under IoT. It uses the R7FA4M1AB3CFM on a RA4M1 core. It carries 256KB flash, 32KB RAM, 19 GPIO. Official framework support: Arduino. Renesas RA4M1 Cortex-M4 at 48 MHz with 19 GPIO, CAN, a 14-bit ADC and 12-bit DAC, compatible with the Arduino Uno R4 ecosystem.

What MCU and instruction architecture does XIAO RA4M1 use?

R7FA4M1AB3CFM on a RA4M1 core.

How much flash and RAM does XIAO RA4M1 have?

It carries 256KB flash, 32KB RAM, 19 GPIO.

What kind of projects is XIAO RA4M1 meant for?

ZouIC lists it under IoT, with official framework support for Arduino.

How much power does XIAO RA4M1 draw?

The listed figure is 5V / 3.8V BAT.

Where can I find official material for XIAO RA4M1?

See the official community at https://wiki.seeedstudio.com/getting_started_xiao_ra4m1/; the purchase page at https://www.seeedstudio.com/Seeed-XIAO-RA4M1-p-5943.html.

Seeed Studio
RA4M1Seeed StudioCheck official channels

XIAO RA4M1

Renesas RA4M1 Cortex-M4 at 48 MHz with 19 GPIO, CAN, a 14-bit ADC and 12-bit DAC, compatible with the Arduino Uno R4 ecosystem.

Quick specs

From vendor docs
48MHzSpeed
19GPIO
256KBFlash
32KBRAM
Chip modelR7FA4M1AB3CFM
Power5V / 3.8V battery

Peripherals

USB-C
CAN
14-bit ADC
12-bit DAC
19Pin

Frameworks

Arduino

Technical Specifications

Processor info

Chip ArchitectureRA4M1
VendorSeeed Studio
Chip modelR7FA4M1AB3CFM
Clock speed48MHz

Storage and memory

Flash256KB
RAM32KB
GPIO count19pcs
Power5V / 3.8V battery

Official links and data notes

Specifications are compiled from public vendor materials for selection reference only. Licenses for hardware design files and documentation are determined by the vendor or project owner; ZouIC does not grant them.

Last verified 2026-10-28

Where to Buy

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