Seeed Studio XIAO SAMD21 Microcontroller Board Products

Description

The Seeed Studio XIAO SAMD21 microcontroller board breaks out the ATSAMD21G18 MCUMicrocontroller Unit on a small thumb-sized board (0.8in x 0.7in). The board includes a USB-C connector for power and programming, 14 pin through holes, LEDLight Emitting Diodes, and SWDSerial Wire Debug solder pads. There is no built-in reset button on the board, but instead you have to temporarily short the RST and GND pads (next to the USB-C connector) with a wire.

Processor

ATSAMD21G18 32-bit 48MHz ARMAdvanced Reduced Instruction Set Computer (RISC) Machines Cortex M0+

Memory

• 256KB Flash
• 32KB SRAMStatic Random Access Memory

I/OInput/Output

• 1x USB-C connector (USB 2.0 Host or Device Full/Low speed)
• 11x Digital I/OInput/Output with 10x PWMPulse-Width Modulation (3.3V Logic)
• 11x Analog Inputs 12-bit ADCAnalog-to-Digital Converter (ADC, A/D, or A-to-D) (0V to 3.3V range)
• 1x Analog Output 10-bit DACDigital-to-Analog Converter (DAC, D/A, or D-to-A) (0V to 3.3V range)
• Communication interfaces (3.3V Logic): 1x UARTUniversal Asynchronous Receiver-Transmitter, 1x I2CInter-Integrated Circuit. Also referred to as IIC or I²C., 1x SPISerial Peripheral Interface, and 1x I2SInter-IC Sound.
• SWDSerial Wire Debug pins on the back of the board.

User Interface

• 1x Power Indicator Green LED (labeled P)
• 1x User Yellow LED (labeled L)
• 2x Serial Communication TXTransmit and RXReceive Indicator Blue LEDs (labeled T and R)

Power

The board can be powered by the USB-C connector. The built-in DC-DC converter circuit is able to change 5V into 3.3V to allow powering the device with an external 5V supply by either the VIN pin or 5V pin. The 3V3 pin is the output of the DC-DC converter.

Board Size

21mm x 17.8mm (0.83in x 0.70in)

Documentation

• Seeed Studio XIAO SAMD21 Wiki
• Seeed Studio XIAO SAMD21 CircuitPython Guide
• Seeed Studio XIAO SAMD21 Pinout (JPG)
• Seeed Studio XIAO SAMD21 Pinout Spreadsheet (XLSX)
• Seeed Studio XIAO SAMD21 Board Schematic (PDF)
• SAMD21 Datasheet (PDF)

Products

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Seeed Studio XIAO SAMD21 Microcontroller Board (3PCS)

Seller: Seeed Studio Official

Package includes:

• 3x XIAO Board
• 6x 7-Pin Straight Male Header

Price: $24.99(Updated 07Aug2024 23:11:242024-08-07T23:11:24Z UTC UTC)

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