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The XIAO RP2350 brings the power of the Raspberry Pi RP2350 chip into the classic thumb-sized XIAO form factor. It features dual-architecture processing with dual Arm Cortex-M33 cores running at 150MHz with an FPU and dual open-hardware Hazard3 RISC-V cores. Designed with security, versatility, and efficiency in mind, this board is ideal for compact, battery-powered projects such as wearables, smart control systems, DIY keyboards, and more.
Key Features
Powerful Processing
- Raspberry Pi RP2350 MCU:
- Dual Cortex-M33 cores @ 150MHz with FPU.
- Dual Hazard3 RISC-V cores for open-hardware compatibility.
- Enhanced performance for a wide range of applications.
Enhanced Security
- Built-in Secure Boot and encrypted bootloader for application and data security.
- Supports Arm TrustZone for secure application execution.
Rich Onboard Resources
- 19 multifunction GPIOs:
- Supports Analog, Digital, I²C, UART, SPI, and PWM.
- 2MB Flash and 520kB SRAM for ample storage and processing.
- Integrated RGB LED, 1 user LED, and 1 power LED for visual feedback.
Efficient Power Design
- Ultra-low power consumption: Just 27μA in sleep mode.
- Battery-powered with direct voltage measurement via internal IO for improved battery management.
Compact Design
- Classic XIAO form factor: 21 x 17.8mm.
- Single-sided Surface Mount Device (SMD) design with stamp holes for streamlined mass production.
Expanded Connectivity
- Compared to previous XIAO boards, includes 8 additional IO pins, enabling more complex and versatile applications.
Software Support
- Compatible with C/C++ and MicroPython, allowing seamless project development and prototyping.
Specifications
| Feature | XIAO RP2040 | XIAO RP2350 |
|---|---|---|
| Processor | Raspberry Pi RP2040 | Raspberry Pi RP2350 |
| Dual Cortex-M0+ @ 133MHz | Dual Cortex-M33 @ 150MHz, FPU | |
| RAM | 264kB SRAM | 520kB SRAM |
| Flash | 2MB Onboard | 2MB Onboard |
| LEDs | 1 User, 1 Power, 2 Serial | 1 User, 1 Power, 1 RGB |
| Interfaces | 11 Pins: Analog, I²C, UART, SPI | 19 Pins: Analog, Digital, I²C, UART, SPI |
| Security | - | OTP, Secure Boot, TrustZone |
| Low Power | - | 27μA |
| Software Compatibility | MicroPython / Arduino / CircuitPython | MicroPython / C, C++ |
| Working Temperature | -20°C to 70°C | -20°C to 70°C |
| Dimensions | 21 x 17.8mm | 21 x 17.8mm |
Applications
The XIAO RP2350 is perfect for:
- Smart Controls: IoT devices with enhanced security and low power consumption.
- Wearables: Compact design with efficient battery management.
- DIY Projects: Keyboards, automation, and embedded systems.
- Prototyping: Seamless integration with the XIAO ecosystem.
Additional Resources
- Compatible with a wide range of add-ons such as displays, Grove modules, Vision AI sensors, and more.
- Offers support for advanced development tools and community resources, including Seeed Studio Fusion Co-Create for prototyping and scaling up designs.
The XIAO RP2350 continues the legacy of the Seeed Studio XIAO family, combining powerful performance, compact design, and versatile features for developers of all skill levels.
Hardware Overview
- PinOut
