ATSAMR21G17A-MF Overview
The ATSAMR21G17A-MF is a highly integrated microcontroller featuring a 32-bit ARM Cortex-M0+ core, optimized for low-power wireless applications. Combining advanced microcontroller performance with a robust 2.4 GHz IEEE 802.15.4-compliant radio transceiver, this device is ideal for embedded systems requiring efficient wireless connectivity and compact design. Its versatile peripheral set and low power consumption make it suitable for IoT, industrial automation, and smart metering solutions. Designed for seamless integration, the device supports reliable communication while simplifying system development. For detailed specifications and purchasing options, visit IC Manufacturer.
ATSAMR21G17A-MF Technical Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit ARM Cortex-M0+ |
| Operating Frequency | Up to 48 MHz |
| Memory | 256 KB Flash, 32 KB SRAM |
| Radio Frequency | 2.4 GHz IEEE 802.15.4-compliant transceiver |
| Power Supply Range | 1.8 V to 3.6 V |
| Package | 64-pin QFN, 7×7 mm |
| Operating Temperature | -40??C to +85??C |
| Peripherals | Multiple USART, SPI, I2C, ADC, DAC, and Timers |
ATSAMR21G17A-MF Key Features
- Integrated ARM Cortex-M0+ core: Delivers efficient processing with low power consumption, enabling longer battery life in wireless applications.
- 2.4 GHz IEEE 802.15.4 radio transceiver: Supports reliable wireless communication for protocols like Zigbee and Thread, critical for IoT connectivity.
- Extensive memory resources: 256 KB Flash and 32 KB SRAM provide ample space for complex firmware and wireless stack implementations.
- Wide voltage range: Operates from 1.8 V to 3.6 V, allowing flexible power supply options in embedded designs.
- Rich peripheral set: Includes USART, SPI, I2C interfaces, ADC, DAC, and timers, enabling versatile sensor and actuator integration.
- Compact QFN package: Small 7×7 mm footprint facilitates high-density PCB layouts ideal for space-constrained industrial solutions.
- Industrial temperature range: Suitable for harsh environments, ensuring reliable operation from -40??C to +85??C.
ATSAMR21G17A-MF Advantages vs Typical Alternatives
This device offers a unique combination of a low-power Cortex-M0+ core with an integrated 2.4 GHz IEEE 802.15.4 radio, providing unmatched integration compared to separate microcontroller and transceiver solutions. Its extended memory and versatile peripherals enhance design flexibility while maintaining energy efficiency. The wide operating voltage and industrial temperature range improve reliability and adaptability in challenging environments, making it a superior choice over typical alternatives for wireless embedded systems.
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Typical Applications
- Wireless sensor networks and IoT nodes requiring low power consumption and robust 2.4 GHz communication protocols such as Zigbee or Thread.
- Smart metering devices where compact size and reliable data transmission are essential.
- Industrial automation systems demanding precise timing, sensor interfacing, and wireless control capabilities.
- Home automation and building control systems utilizing IEEE 802.15.4 compliant wireless standards.
ATSAMR21G17A-MF Brand Info
This product is a member of the SAM R21 family, combining microcontroller and RF transceiver functionality under one silicon solution. It reflects the brand??s commitment to delivering highly integrated, low-power wireless solutions for embedded applications. The device is engineered for seamless integration into industrial and consumer wireless ecosystems, supported by comprehensive development tools and software stacks that accelerate time-to-market and reduce design complexity.
FAQ
What wireless protocols does this device support?
The integrated 2.4 GHz transceiver is IEEE 802.15.4-compliant, supporting wireless protocols such as Zigbee, Thread, and 6LoWPAN. This makes it suitable for a variety of low-power mesh networking applications.
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What is the maximum operating frequency of the microcontroller core?
The ARM Cortex-M0+ core can operate at frequencies up to 48 MHz, balancing processing performance and power efficiency for embedded applications.
What voltage supply range does the device support?
The device operates within a voltage range of 1.8 V to 3.6 V, allowing it to be powered by common battery chemistries or regulated power supplies in embedded systems.
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How does the package size influence integration in embedded designs?
The compact 64-pin QFN package measures 7×7 mm, facilitating high-density PCB layouts and reducing overall system size. This makes it suitable for space-constrained applications like wearable devices and compact industrial modules.
Is the device suitable for industrial temperature ranges?
Yes, it is rated for operation from -40??C to +85??C, ensuring reliable performance in harsh environments typical of industrial and outdoor applications.




