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Product description: ItsyBitsy M4 Express ATSAMD51 microcontroller board - Adafruit 3800
A small board with a powerful ATSAMD51 microcontroller with Cortex M4 processor, running at 120 MHz and equipped with 512 kB of Flash memory and 192 kB of RAM. The ItsyBitsy M4 Express has 23 digital GPIO (digital input/output) pins, including: 7 analog pins (inputs), 2 analog DAC outputs, and 18 PWM channels. There is also a microUSB port, battery connector, and reset button on the board.
The ItsyBitsy M4 can be used with the Arduino IDE, but the manufacturer ships it with CircuitPython by default. When the board is plugged in, a small disk appears with a main.py file to edit. It requires no installation, IDE environment or compiler. It can be used on any computer: on ChromeBooks or machines where you can't install software.
ItsyBitsy M4 Express ATSAMD51 microcontroller board - Adafruit 3800.
Main pinouts of ItsyBitsy M4 Express ATSAMD51
- 2 x single MSPS 12-bit analog DAC (pins A0 and A1)
- 2 x single MSPS 12-bit ADC - 7 analog pins
- 6 x hardware SERCOM - native hardware SPI, I2C buses
- 18 x PWM outputs
- 8-bit parallel capture controller (for camera/camera input)
- 1 x special Vhigh output pin provides higher voltage from VBAT or VUSB to control NeoPixels, servos and other 5V DC devices
- The board does not support I2C bus
For a detailed description of the ItsyBitsy M4 Express pinouts, please refer to the manufacturer's user guide.
Pinout on ItsyBitsy M4 Express board.
Kit includes goldpin strip for self-soldering.
ItsyBitsy M4 Express Specifications
- ATSAMD51 microcontroller with Cortex M4 processor:
- Operating frequency: 120 MHz
- 512 kB Flash memory and 192 kB RAM
- SPI FLASH of 2 MB for file storage and CircuitPython code
- Logic voltage: 3,3 V
- Single 5V pin can be used
- Built-in cryptographic engine with AES (256 bit), RNG, Pubkey controller
- Native USB supported by any operating system. It is used for board programming
- Can be used with Arduino IDE or CircuitPython
- Built-in red LED (pin 13)
- Built-in DotStar RGB LED
- Power supply via microUSB or battery (3.5V to 6V)
- Preloaded with UF2 charging program
- Compatible with bossa v1.8
- Dimensions: 35.9 x 17.8 x 4.2 mm
- Weight: 2.4 g
