Feature High Performance: Powered by SAMD21G18 chip, operating up to 48MHz, equipped with 32KB of SRAM, and 256KB of onboard flash memory Ultra-small Design: 21 x 17.5mm, Seeed Studio XIAO series classic form factor, suitable for wearable devices Multiple Development Interfaces: 11x analog / 11x digital Pins, 1x I2C interface, 1x UART port, and 1 SPI port Multiple Develop Platform: Support Arduino / Micropython / CircuitPython development, friendly for beginners, satisfied for electronics enthusiasts Perfect for Production: Breadboard-friendly & SMD design, no components on the back Note XIAO SoM User Manual open-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. Specification Parameter Description CPU ARM Cortex-M0+ CPU(SAMD21G18) running at up to 48MHz Storage 256KB Flash,32KB SRAM I/O PINs 14 GPIO PINs,11 analog PINs, 11 digital PINs, 1 DAC output Pin Interface 1 I2C interface,1 UART interface, 1 SPI interface, USB Type-C interface LEDs 1 user LED, 1 power LED, and two LEDs for serial port downloading Reset button two reset buttons short connect to reset Software compatibility Arduino IDE Dimensions 21x17.8mm Hardware Overview Attention All the I/O pins are 3.3V, please do not input more than 3.3V, otherwise, the CPU may be damaged. PinOut Application Wearable devices Rapid prototyping (directly attached to the expanded PCB as a minimal system) Perfect for all the projects that need a mini Arduino DIY keyboard USB development (USB to multi-channel TTL/USB host mode, etc.) In a scenario where you need to read multiple mock values The DAC output Documents ATSAMD218A-MU datasheet How to use Seeeduino XIAO to log in to your Raspberry Pi Seeed Studio XIAO course XIAO Reference Design 3D Printing "Case" Studies HSCODE 8517180050 USHSCODE 8473305100 UPC 841454122890 EUHSCODE 8543709099 COO CHINA Part List Seeed Studio XIAO SAMD21 X1 Pasters X4 7 Pin Header X2
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