Product description: Seeed Xiao RP2350 - ARM Cortex M33 + Hazard3 RISC-V - Seeedstudio 102010550
The Seeed Xiao RP2350 is a microcontroller based on the Raspberry Pi RP2350 with dual 150 MHz Cortex M33 cores and RISC-V cores. It offers 520 KB of SRAM and 2 MB of Flash memory. With its compact dimensions (21 x 17.8 mm) and versatility , is an ideal choice for space-constrained applications such as mobile devices, robotics, and DIY controllers. The microcontroller has 19 GPIO pins (analog, digital, I2C, UART, SPI, PWM), as well as a built-in RGB LED . The battery charge management system provides ultra-low power consumption of 27 μA in sleep mode . The Xiao RP2350 supports MicroPython, C, and C++, and thanks to the Xiao ecosystem, it allows easy integration with additional modules and sensors , making it a versatile tool for creating a variety of projects.
Seeed Xiao RP2350 - ARM Cortex M33 + Hazard3 RISC-V - Seeedstudio 102010550. 
The RP2350 provides a comprehensive security architecture built around Arm TrustZone.Main Features of Seeed Xiao RP2350
- Powerful processor : Equipped with the Raspberry Pi RP2350, which offers symmetrical Arm Cortex M33 cores running at 150 MHz, equipped with a floating-point unit (FPU)
- Advanced security features : Integrated secure boot engine and encrypted bootloader provide high level of application protection
- Software support : compatibility with C/C++ and MicroPython languages enables convenient prototyping and development of projects
- Rich built-in resources : the module includes RGB LED, 2 MB Flash memory, 520 KB SRAM memory and 19 versatile GPIO pins (analog, digital, I2C, UART, SPI, PWM)
- Expanded IO pins : Compared to previous Xiao models, 8 new IO pins have been added, enabling the implementation of more complex applications
- Efficient power management : Low power consumption of 27 μA in sleep mode enables battery power supply. Direct battery voltage measurement via internal IO pins supports power management system (BMS)
- Compact design : 21 x 17.8 mm dimensions, retaining the classic Xiao format, making the board ideal for applications with limited space
Module pins
Xiao RP2350 offers 19 GPIO pins that can perform analog, digital, I2C, UART, SPI and PWM functions. It also has A3/GPIO29 pin for reading the battery voltage level and the ability to enable reading via GPIO19. Thanks to its extensive interfaces, it is easy to integrate with a wide range of sensors and peripherals. Additionally, a large number of pins allows you to create more complex projects, such as robots or intelligent devices.
Module Applications
Xiao RP2350 is suitable for many applications requiring small size and low power consumption:
- Smart Control : Creating Remote Control Apps
- Smart Gadgets : Perfect for wearable devices such as smart watches, fitness bands, and more
- DIY Keyboards : Perfect for building custom keyboards
- Robotics : Robot Control with GPIO Versatility
- Education : Great for learning MicroPython and C programming
The Xiao RP2350 board is compatible with a wide range of additional accessories.
Layout of components on the Xiao board.
How to program Xiao RP2350?
The Xiao RP2350 is programmable in MicroPython, C, and C++ , with support for popular tools like Thonny IDE, Minicom, PuTTY, and Electerm . In the case of MicroPython, you simply install the appropriate software, and then use the interactive REPL environment to test your code. You can also use the Raspberry Pi SDK to create more advanced applications in C/C++. All this enables quick and easy prototyping, even for beginners.
Layout of elements on the board
- User LED
- Power LED
- RGB LED
- Boot button
- Reset button
Seeed Xiao RP2350 board specification
- System: Raspberry Pi RP2350, dual-core Cortex M33 with 150 MHz, FPU and RISC-V cores
- Flash Memory: 2MB
- SRAM memory: 520 KB
- Interfaces: 19x GPIO (3x analog, 19x digital, 2x I2C, 2x UART, 2x SPI, PWM)
- LEDs: 1x User LED, 1x Power LED, 1x RGB LED
- Buttons: 1x Reset, 1x Boot
- Security: OTP, Secure Boot, Arm TrustZone
- Power consumption: 27 μA in sleep mode
- Operating temperature: -20°C to 70°C
- Dimensions: 21 x 17.8 mm
Kit Contents
- 1x Seeed Xiao RP2350 Module
- 2x 7-pin goldpin connector
