ATSAMR21G18A-MUT Wireless Microcontroller Module – 32-bit ARM Cortex-M0+ – QFN Package

  • The ATSAMR21G18A-MUT integrates a microcontroller with wireless connectivity to enable flexible IoT applications.
  • Operating frequency supports efficient data transmission, essential for maintaining reliable communication links.
  • Its compact LFCSP package reduces board space, allowing for smaller device designs and easier integration.
  • Ideal for remote sensor nodes, this device facilitates low-power data collection and wireless reporting.
  • Manufactured with stringent quality controls to ensure consistent performance and long-term reliability.
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ATSAMR21G18A-MUT Overview

The ATSAMR21G18A-MUT is a highly integrated, low-power wireless microcontroller designed for advanced IoT and embedded applications. It combines an ARM Cortex-M0+ core with a 2.4 GHz IEEE 802.15.4-compliant transceiver, enabling efficient low-data-rate wireless communication such as Zigbee and Thread protocols. Its compact size, flexible power management, and extensive peripheral set make it ideal for battery-operated devices requiring reliable wireless connectivity. This device supports robust network stacks and offers developers an optimized platform for designing scalable, energy-efficient systems. For more detailed information and sourcing, visit IC Manufacturer.

ATSAMR21G18A-MUT Technical Specifications

ParameterSpecification
CoreARM Cortex-M0+ 32-bit processor
Operating Frequency48 MHz
Flash Memory256 KB
SRAM32 KB
Wireless StandardIEEE 802.15.4 (2.4 GHz)
Power Supply Voltage1.8 V to 3.6 V
Package Type48-pin QFN
Operating Temperature-40??C to +85??C
Transmit PowerUp to +5 dBm
Receiver Sensitivity-100 dBm (typical)

ATSAMR21G18A-MUT Key Features

  • Integrated ARM Cortex-M0+ core: Provides efficient 32-bit processing with low power consumption, enabling complex computations while extending battery life.
  • IEEE 802.15.4-compliant 2.4 GHz transceiver: Ensures reliable wireless communication for protocols like Zigbee and Thread, essential for mesh networking applications.
  • Flexible power management: Multiple low-power modes and a wide supply voltage range allow extended operation in energy-sensitive environments.
  • Ample memory resources: 256 KB of Flash and 32 KB SRAM support complex firmware and radio stacks without external memory requirements.
  • Rich peripheral set: Includes timers, USART, SPI, I2C, ADC, and more, facilitating seamless integration with external sensors and devices.
  • Compact 48-pin QFN package: Minimizes PCB footprint while supporting advanced thermal and electrical performance.
  • Robust operating temperature range: Suitable for industrial and outdoor wireless applications demanding reliability in harsh conditions.

ATSAMR21G18A-MUT Advantages vs Typical Alternatives

This microcontroller offers superior integration by combining a low-power ARM core with a high-performance radio transceiver, reducing overall system complexity and cost. Its excellent receiver sensitivity and configurable transmit power enhance wireless link reliability compared to typical alternatives. The extensive peripheral set and flexible power modes provide engineers with versatile design options, enabling efficient development of low-power, compact IoT devices with reliable connectivity.

Typical Applications

  • Wireless sensor networks for smart building automation, where low power consumption and reliable mesh networking are critical for long-term operation and scalability.
  • Home automation devices requiring secure and stable wireless communication such as smart lighting or climate control systems.
  • Industrial monitoring systems that demand robust performance in challenging temperature ranges and electromagnetic environments.
  • Wearable electronics and health monitoring equipment benefiting from small form factor and efficient battery usage.

ATSAMR21G18A-MUT Brand Info

Produced by a leading semiconductor manufacturer renowned for embedded wireless solutions, this device exemplifies the company??s commitment to innovation in low-power connectivity and microcontroller technology. The product line targets embedded developers and system integrators seeking reliable, scalable platforms for IoT, industrial automation, and consumer electronics. Backed by comprehensive software support and development tools, it enables faster time-to-market and optimized system performance.

FAQ

What wireless protocols does this microcontroller support?

The device supports IEEE 802.15.4 standard at 2.4 GHz, which is the foundation for widely used protocols such as Zigbee, Thread, and 6LoWPAN. This ensures compatibility with many existing wireless mesh networking solutions.

How does the power consumption of this wireless microcontroller benefit battery-operated devices?

It features multiple low-power modes and an efficient ARM Cortex-M0+ core, allowing devices to run for extended periods on battery power. This is critical in IoT applications where maintenance and battery replacement are costly or impractical.

What memory resources are available for application development?

The device includes 256 KB of non-volatile Flash memory for program storage and 32 KB of SRAM for runtime data. This combination supports complex firmware, including wireless stacks and application code, without needing external memory.

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Is this microcontroller suitable for industrial temperature ranges?

Yes, it operates reliably within a temperature range of -40??C to +85??C, making it well-suited for industrial and outdoor applications where environmental conditions can vary significantly.

What packaging options are available for this product?

The device comes in a 48-pin QFN package, which offers a compact footprint and good thermal performance, facilitating integration into space-constrained designs while maintaining electrical integrity.

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