ATSAMR21G17A-MU Overview
The ATSAMR21G17A-MU is a highly integrated wireless microcontroller designed for low-power, long-range connectivity in industrial and consumer applications. Combining a 32-bit ARM Cortex-M0+ processor with an advanced IEEE 802.15.4 radio transceiver, this device offers robust communication capabilities in the 2.4 GHz frequency band. Its compact QFN package and rich peripheral set make it ideal for embedded applications requiring reliable wireless performance and efficient power management. Engineers and sourcing specialists can rely on this solution to streamline development cycles and enable scalable IoT designs. For more information, visit IC Manufacturer.
ATSAMR21G17A-MU Technical Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit ARM Cortex-M0+ |
| Operating Frequency | 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Radio Standard | IEEE 802.15.4 (2.4 GHz) |
| Package | 48-pin 7×7 mm QFN |
| Operating Voltage | 1.8 V to 3.6 V |
| Temperature Range | -40??C to +85??C |
| Peripheral Interfaces | UART, SPI, I2C, ADC, DAC, PWM |
| Security Features | Embedded AES-128 encryption engine |
ATSAMR21G17A-MU Key Features
- Integrated ARM Cortex-M0+ core: Delivers efficient processing power with low energy consumption, enabling longer battery life for wireless applications.
- IEEE 802.15.4 compliant transceiver: Supports reliable 2.4 GHz wireless communication, crucial for IoT networks and mesh topologies.
- Rich peripheral set: Includes ADC, DAC, UART, SPI, and I2C interfaces for versatile connectivity and sensor integration.
- Advanced security: Features embedded AES-128 encryption to safeguard wireless data transmissions against unauthorized access.
- Compact QFN packaging: Enables space-efficient designs suitable for constrained form factors in industrial and consumer devices.
- Wide operating voltage range: Ensures compatibility with various power supply configurations and supports flexible system design.
- Robust operating temperature range: Allows deployment in harsh environments, supporting industrial-grade reliability.
ATSAMR21G17A-MU Advantages vs Typical Alternatives
This device offers superior integration by combining a low-power Cortex-M0+ core with a certified IEEE 802.15.4 radio transceiver, reducing the need for external components. Its advanced security features and wide operating voltage range provide enhanced reliability and flexibility compared to typical alternatives. Additionally, the compact package and rich peripheral interfaces simplify system design, making it an efficient choice for wireless embedded applications.
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Typical Applications
- Wireless sensor networks requiring low-power, secure communication with multi-hop capability in industrial automation and smart building systems.
- IoT devices demanding compact form factor and seamless 2.4 GHz connectivity for home automation and consumer electronics.
- Asset tracking and monitoring solutions benefiting from robust wireless links and extended battery life.
- Smart lighting and energy management systems where reliable mesh networking improves control and efficiency.
ATSAMR21G17A-MU Brand Info
This microcontroller is part of a well-established family of wireless SoCs known for combining embedded ARM Cortex-M0+ processing cores with industry-standard 2.4 GHz radio transceivers. The product line emphasizes low-power operation, high integration, and comprehensive security features, addressing the growing demands of IoT and wireless applications. Its development ecosystem includes comprehensive software support and reference designs, facilitating rapid prototyping and deployment for industrial and consumer markets.
FAQ
What wireless standard does this microcontroller support?
The device supports IEEE 802.15.4 wireless communication in the 2.4 GHz frequency band, commonly used in low-rate wireless personal area networks such as Zigbee and Thread.
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What is the operating voltage range of the chip?
It operates over a voltage range from 1.8 volts up to 3.6 volts, allowing flexible power supply options for diverse embedded system designs.
Does this product include hardware security features?
Yes, it incorporates an embedded AES-128 encryption engine to provide secure wireless data transmissions, protecting against eavesdropping and unauthorized access.
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What package type is available for this microcontroller?
The microcontroller is offered in a 48-pin QFN package measuring 7 by 7 millimeters, which supports compact PCB layouts and efficient thermal dissipation.
Which peripherals are integrated to support sensor interfacing?
It includes multiple peripheral interfaces such as ADC (Analog-to-Digital Converter), DAC (Digital-to-Analog Converter), UART, SPI, and I2C, enabling flexible connections to various sensors and external devices.
