The microcontroller, powered by the Renesas RA4M1 32-bit ARM® Cortex®-M4 MCU, offers 48 MHz performance, 256 KB Flash, and 32 KB SRAM. SeeedStudio XIAO RA4M1 - Smallest Dev Board features a 14-bit ADC, 12-bit DAC, CAN BUS, USB 2.0, RGB LED, and 8 additional IO pins (19 total). With hardware encryption, secure boot, and low power modes (45μA deep sleep), SeeedStudio XIAO RA4M1 - Smallest Dev Board ensures security and efficiency. SeeedStudio XIAO RA4M1 - Smallest Dev Board is compact at 21 x 17.8 mm, it supports Arduino IDE, lithium battery management, and is designed for seamless production with SMD and stamp holes. Features: Popular Microcontroller Onboard: Powered by Renesas RA4M1, an 32-bit ARM® Cortex®-M4 R7FA4M1AB3CFM MCU operating at up to 48 MHz with FPU, 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. Application: Smart Control Education Robotics Wearables Package Includes: 1 x Seeed Studio XIAO RA4M12 x 7 Pin Header
Specifications
| I/O Pins | 19 GPIOs |
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| Security | Hardware encryption and secure boot. |
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| Software Compatibility | Fully compatible with Arduino IDE. |
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| Item Type: | Development Board |
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| Processor | Renesas RA4M1, 48-MHz Arm® Cortex®-M4 Core with FPU |
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| RAM: | 32 KB SRAM |
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| Flash | 256 KB |
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| LED | 1 User LED, 1 Power LED, 1 RGB LED |
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| Interface: | 19 IOs: 14x Analog,19x Digital, 2x IIC, 2x UART, 2x SPI |
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| Buttons | 1 RESET Button, 1 BOOT Button |
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| Power Consumption | 45μA |
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| Operating Temperature (°C): | -20 to 70°C |
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| Overall Dimension | 21x17.8 mm |
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| Shipping Weight | 0.014 kg |
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| Shipping Dimensions | 6 × 6 × 2 cm |
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