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Adafruit ItsyBitsy M4 Express ATSAMD51 Dev Board

₹2,269.00 (Inclusive of all taxes)
Out of Stock

The Adafruit ItsyBitsy M4 Express is a powerful, compact development board featuring a 120 MHz ATSAMD51 Cortex-M4 processor, making it ideal for high-speed embedded projects. It offers extensive memory, GPIOs, and seamless compatibility with both Arduino IDE and CircuitPython for flexible development.

Features

  • High-performance ATSAMD51 Cortex-M4 processor clocked at 120 MHz with floating-point support.
  • Features 512KB Flash, 192KB SRAM, and an additional 2MB SPI Flash for ample storage.
  • Native USB support for drag-and-drop programming via UF2 bootloader.
  • Fully compatible with both CircuitPython and Arduino IDE for versatile project development.
  • Equipped with 23 GPIO pins, dual 12-bit DAC, and 18 PWM outputs for extensive peripheral control.

Out of stock

Description

The Adafruit ItsyBitsy M4 Express provides a compact yet robust platform for a wide array of embedded applications, centered around a 120 MHz Microchip Technology ATSAMD51 Cortex-M4 microcontroller. This powerful MCU includes floating-point unit (FPU) support and Digital Signal Processing (DSP) instructions, enabling it to efficiently handle complex computations for advanced projects. Its small form factor, combined with high processing capabilities, makes it suitable for integration into space-constrained designs without compromising performance.

Memory-wise, the board is well-equipped with 512KB of internal Flash memory and 192KB of SRAM. An additional 2MB of onboard SPI Flash extends its storage capacity significantly, perfect for data logging, storing CircuitPython scripts, or managing larger firmware images. The ItsyBitsy M4 Express boasts 23 general-purpose I/O pins, offering multifaceted functionality including dual 12-bit DACs, 12-bit ADCs, and 18 PWM outputs. This rich peripheral set facilitates interfacing with a diverse range of sensors, actuators, and other external components. Native USB support simplifies programming with its UF2 bootloader, allowing for drag-and-drop firmware uploads, and it seamlessly integrates with both the Arduino IDE and CircuitPython, providing developers with powerful and familiar toolchains for rapid prototyping and deployment.

Key Features

  • Integrated 120 MHz ATSAMD51 Cortex-M4 processor with FPU and DSP.
  • 512KB Flash memory and 192KB SRAM for program and data storage.
  • 2MB onboard SPI Flash for expanded data logging or CircuitPython storage.
  • 23 versatile GPIO pins supporting multi-functional applications.
  • Dual 12-bit DACs and 12-bit ADCs for high-resolution analog interfacing.
  • 18 PWM outputs for precise control of motors, LEDs, and other devices.
  • Native USB interface with UF2 bootloader for simplified drag-and-drop programming.
  • Full compatibility with both CircuitPython and the Arduino IDE for flexible development.
  • Hardware-accelerated cryptography features including AES-256 and a True RNG.

Applications

  • Embedded sensing and data acquisition systems.
  • IoT prototyping and development.
  • Human-Machine Interface (HMI) devices with graphical displays.
  • Compact robotics and drone control.
  • Low-power wearables and portable electronics.

Technical Specifications

ProcessorATSAMD51 Cortex M4, 120 MHz
Core FeaturesFloating point support, DSP instructions
Flash Memory512 KB
SRAM192 KB
External Storage2 MB SPI Flash
Power Supply3V (USB or external battery with auto-switch)
GPIO Pins23
Analog Inputs7 (12-bit ADC, 1 MSPS)
Analog Outputs2 (12-bit DAC, 1 MSPS)
PWM Outputs18
SERCOM Interfaces6 (SPI, I2C, UART support)
USB SupportNative USB (HID, Serial, Storage)
Special Pin1 x VHigh output (VBAT/VUSB level)
Parallel Capture8-bit parallel capture controller
Crypto FeaturesAES-256, True RNG, Public Key controller
LED Indicators1 x Red LED (Pin 13), 1 x RGB DotStar LED
Programming SupportCircuitPython, Arduino IDE
BootloaderUF2 (drag-and-drop programming)
NeoPixel SupportYes (DMA support on VHigh pin)
Form Factor1.4" x 0.7"
Dimensions3.59cm x 1.78cm x 0.42cm
Weight0.0024 kg

Frequently Asked Questions

What processor powers the Adafruit ItsyBitsy M4 Express?

The ItsyBitsy M4 Express is driven by the Microchip Technology ATSAMD51G19A, an ARM Cortex-M4 microcontroller running at 120 MHz. This processor offers floating-point support and DSP instructions, making it capable of handling complex computational tasks efficiently for various embedded applications.

What development environments are supported by this board?

The Adafruit ItsyBitsy M4 Express offers excellent flexibility, supporting both the Arduino IDE and CircuitPython. Its UF2 bootloader allows for simple drag-and-drop programming, enabling quick firmware updates and project iteration for developers of all skill levels.

What are the primary memory specifications of the ItsyBitsy M4 Express?

It includes 512KB of internal Flash memory and 192KB of SRAM. Additionally, the board features 2MB of onboard SPI Flash storage, providing ample space for user programs, data logging, and storing CircuitPython libraries or projects.

How does the ItsyBitsy M4 Express handle power and I/O?

The board can be powered via its native USB port or an external battery, with automatic switching. It provides 23 GPIO pins, dual 12-bit DACs, and 18 PWM outputs, offering extensive connectivity and control options for sensors, actuators, and other peripherals in your projects.

What unique features does the ATSAMD51 MCU offer for advanced projects?

The ATSAMD51 includes hardware-accelerated cryptographic features like AES-256, a True Random Number Generator (TRNG), and a Public Key controller. These capabilities are crucial for implementing secure communication and data protection in IoT devices and other sensitive embedded systems.

Package Includes

  • 1 x Adafruit ItsyBitsy M4 Express featuring ATSAMD51
  • 3 x Header Pins

Additional Information

Weight 0.0024 kg
Dimensions 3.59 × 1.78 × 0.42 cm