ATSAMR21E17A-MU Overview
The ATSAMR21E17A-MU is a highly integrated wireless microcontroller designed for low-power and reliable IoT applications. Combining an ARM Cortex-M0+ core with a 2.4 GHz IEEE 802.15.4-compliant radio transceiver, it enables seamless connectivity for industrial and consumer devices. The device supports advanced power management, making it ideal for battery-operated systems requiring long operational life. With flexible peripheral sets and robust security features, this microcontroller offers a compact, cost-effective solution tailored for wireless sensor networks and smart automation. For detailed specifications and purchasing options, visit the IC Manufacturer website.
ATSAMR21E17A-MU Technical Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit ARM Cortex-M0+ |
| Operating Frequency | Up to 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Wireless Standard | IEEE 802.15.4 at 2.4 GHz |
| Supply Voltage | 1.8 V to 3.6 V |
| Package | QFN 48-pin, 7×7 mm |
| Operating Temperature Range | -40??C to +85??C |
| Security Features | True Random Number Generator, AES-128 Encryption |
| Peripherals | Multiple USART, SPI, I2C, ADC, DAC |
ATSAMR21E17A-MU Key Features
- Integrated ARM Cortex-M0+ Core: Delivers efficient 32-bit processing with minimal power consumption, enabling extended battery life in wireless applications.
- 2.4 GHz IEEE 802.15.4 Radio Transceiver: Provides reliable wireless communication compatible with Zigbee and Thread protocols, facilitating seamless network integration.
- Advanced Power Management: Multiple low-power modes and fast wake-up times reduce energy usage, crucial for IoT devices requiring longevity.
- Robust Security Modules: Incorporates hardware-based AES-128 encryption and a true random number generator to protect data integrity and prevent unauthorized access.
- Comprehensive Peripheral Set: Supports USART, SPI, I2C, ADC, and DAC interfaces for versatile sensor and actuator connectivity.
- Compact QFN Package: The 48-pin 7×7 mm footprint simplifies board design and reduces overall system size.
- Wide Operating Temperature Range: Ensures reliable operation in harsh industrial environments from -40??C to +85??C.
ATSAMR21E17A-MU Advantages vs Typical Alternatives
This microcontroller stands out with its integration of a low-power ARM Cortex-M0+ core alongside a certified IEEE 802.15.4 radio, delivering both processing and wireless capabilities in a single chip. Its advanced power management and security features offer superior energy efficiency and data protection compared to typical standalone microcontrollers or radio modules. The compact package and extensive peripheral options further improve system integration and reliability in challenging industrial and IoT environments.
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Typical Applications
- Wireless sensor networks in industrial automation, enabling real-time monitoring and control with low power consumption and secure communication.
- Smart home devices such as lighting control or security sensors requiring reliable 2.4 GHz wireless connectivity and extended battery life.
- Asset tracking systems that benefit from integrated wireless communication and compact design for easy deployment.
- Wearable electronics where low power operation and small form factor are critical for user comfort and device longevity.
ATSAMR21E17A-MU Brand Info
The ATSAMR21E17A-MU is part of a family of microcontrollers designed and manufactured by a leading semiconductor company specializing in embedded wireless solutions. This product line emphasizes integration, energy efficiency, and security to meet the demanding needs of modern IoT and industrial applications. The brand is recognized for delivering robust silicon platforms combined with comprehensive software support, enabling faster development cycles and reliable end products.
FAQ
What wireless protocols does this microcontroller support?
The device supports IEEE 802.15.4 at 2.4 GHz, which forms the foundation for wireless protocols like Zigbee and Thread. This ensures compatibility with widely used mesh networking standards for IoT applications.
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What are the power consumption characteristics of this microcontroller?
It features advanced power management with multiple sleep modes and fast wake-up times, allowing it to maintain low energy consumption during idle periods. This design is optimized to extend battery life in portable and remote devices.
Can this microcontroller handle security encryption natively?
Yes, it includes a hardware-based AES-128 encryption engine and a true random number generator, providing robust data security and protecting communications from unauthorized access.
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What peripheral interfaces are available for sensor integration?
The microcontroller includes multiple USART, SPI, and I2C interfaces, alongside ADC and DAC modules. This variety enables flexible connection to a wide range of sensors and actuators commonly used in industrial and IoT systems.
What package type is used, and how does it benefit system design?
The compact 48-pin QFN package measures 7×7 mm, offering a small footprint that simplifies PCB layout and reduces overall device size. This is advantageous for space-constrained designs and enhances thermal performance.
