ATSAMR21E18A-MFT Wireless Microcontroller with LoRa? Connectivity, QFN Package

  • The ATSAMR21E18A-MFT integrates a microcontroller with wireless connectivity to enable efficient IoT device control.
  • Featuring a low-power design, it supports extended battery life in portable and remote applications.
  • Its compact LFCSP package reduces board space, facilitating dense circuit designs.
  • Ideal for smart home systems, this device enables reliable communication between sensors and control units.
  • Manufactured with stringent quality standards, it ensures consistent performance in demanding environments.
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ATSAMR21E18A-MFT Overview

The ATSAMR21E18A-MFT is a high-performance microcontroller integrating a 32-bit ARM Cortex-M0+ core with a low-power 2.4GHz IEEE 802.15.4-compliant radio transceiver. Designed for wireless applications, this device offers a balanced combination of processing power, low energy consumption, and integrated RF connectivity. It is optimized for Internet of Things (IoT) endpoints and smart devices requiring reliable wireless communication with minimal footprint. The microcontroller supports advanced peripheral interfaces, making it suitable for sensor nodes, home automation, and industrial monitoring. For detailed information and purchasing options, visit IC Manufacturer.

ATSAMR21E18A-MFT Technical Specifications

ParameterSpecification
Core32-bit ARM Cortex-M0+
Operating FrequencyUp to 48 MHz
Flash Memory256 KB
SRAM32 KB
Radio Frequency2.4 GHz IEEE 802.15.4-compliant transceiver
Power Supply1.8 V to 3.6 V
Package48-pin QFN (7×7 mm)
Operating Temperature Range-40??C to +85??C
Peripheral InterfacesUSART, SPI, I2C, ADC, DAC, PWM
Security FeaturesTrue Random Number Generator (TRNG)

ATSAMR21E18A-MFT Key Features

  • Integrated 2.4 GHz IEEE 802.15.4 radio transceiver: Enables robust and energy-efficient wireless communication suitable for mesh networking and low-power IoT devices.
  • ARM Cortex-M0+ core running up to 48 MHz: Provides sufficient processing capability for complex sensor data processing while maintaining low power consumption.
  • 256 KB Flash and 32 KB SRAM: Offers ample memory for embedded firmware and wireless stack implementations, supporting sophisticated application code and OTA updates.
  • Wide voltage range (1.8 V to 3.6 V): Facilitates flexible power supply options, including battery-powered systems, ensuring compatibility with diverse industrial environments.
  • Rich peripheral set: Includes USART, SPI, I2C, ADC, DAC, and PWM interfaces, enabling seamless integration with sensors, actuators, and external components.
  • True Random Number Generator (TRNG): Enhances security by providing hardware-based entropy for cryptographic applications, crucial for secure wireless communication.
  • Compact 48-pin QFN package: Supports space-constrained designs while maintaining thermal efficiency and ease of PCB layout.

ATSAMR21E18A-MFT Advantages vs Typical Alternatives

This device stands out due to its integrated low-power 2.4 GHz radio and Cortex-M0+ core, offering a highly efficient solution for wireless embedded systems. Compared to typical alternatives, it delivers superior energy efficiency, robust radio performance, and enhanced integration, reducing overall system complexity and cost. Its combination of processing power and memory ensures reliable operation in demanding IoT and industrial applications, where accuracy and low-latency wireless connectivity are critical.

Typical Applications

  • Wireless sensor nodes in IoT ecosystems: Ideal for collecting and transmitting environmental data with low power consumption and reliable mesh networking capabilities.
  • Home automation systems: Enables seamless control and monitoring of lighting, HVAC, and security devices through wireless communication.
  • Industrial monitoring and control: Supports real-time data acquisition and wireless communication in factory automation and predictive maintenance systems.
  • Smart metering and energy management: Facilitates wireless data reporting from utility meters, improving energy consumption tracking and remote monitoring.

ATSAMR21E18A-MFT Brand Info

This product is part of a renowned semiconductor company??s family of wireless microcontrollers designed to simplify development and accelerate time-to-market for IoT and embedded wireless applications. Combining advanced ARM Cortex-M0+ processing with a certified IEEE 802.15.4 radio transceiver, it addresses the growing demand for low-power, high-integration solutions in connected devices. The brand supports comprehensive development tools and software stacks, ensuring ease of integration and robust performance in industrial and consumer environments.

FAQ

What is the maximum operating frequency of the microcontroller core?

The microcontroller core operates at up to 48 MHz, providing sufficient processing capability to handle complex embedded applications while maintaining low power consumption.

Which wireless standard does the integrated radio support?

The embedded transceiver complies with the IEEE 802.15.4 standard operating at 2.4 GHz, making it suitable for low-power wireless mesh networks such as Zigbee and Thread.

What are the memory capacities available on this device?

It features 256 KB of Flash memory for program storage and 32 KB of SRAM for data and runtime operations, allowing support for sophisticated firmware and wireless stacks.

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Can this microcontroller be used in battery-powered applications?

Yes, it supports a wide power supply range from 1.8 V to 3.6 V and is optimized for low-power operation, making it well-suited for battery-powered and energy-harvesting devices.

What security features are included to protect wireless communication?

The device includes a True Random Number Generator (TRNG) that provides hardware-based entropy, enhancing cryptographic operations and securing wireless data transmission against attacks.

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