ATSAMR21G16A-MFT Overview
The ATSAMR21G16A-MFT is a highly integrated, low-power microcontroller designed for wireless connectivity and IoT applications. Built around a 32-bit ARM Cortex-M0+ processor, it incorporates an IEEE 802.15.4-compliant transceiver for robust 2.4 GHz RF communication. This device offers a balance of performance, power efficiency, and integration, making it ideal for embedded systems requiring reliable wireless links and advanced microcontroller functionality. Its rich feature set supports flexible interfacing and low power modes, enabling extended battery life in portable and industrial applications. For detailed technical support and purchasing options, visit IC Manufacturer.
ATSAMR21G16A-MFT Technical Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit ARM Cortex-M0+ |
| Operating Frequency | Up to 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| RF Transceiver | IEEE 802.15.4-compliant 2.4 GHz |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature Range | -40??C to +85??C |
| Package | 64-pin QFN, 7×7 mm |
| Power Consumption (RX) | ~15 mA |
| Power Consumption (TX) | ~17.5 mA at 0 dBm output |
ATSAMR21G16A-MFT Key Features
- ARM Cortex-M0+ Core: Offers efficient 32-bit processing performance while minimizing power consumption, ideal for embedded wireless systems.
- Integrated 2.4 GHz Transceiver: Supports IEEE 802.15.4 standard, enabling seamless low-power wireless connectivity for IoT and sensor network applications.
- Rich Memory Resources: 256 KB Flash and 32 KB SRAM provide ample space for application code and data, facilitating complex embedded software development.
- Low Power Operation: Multiple power-saving modes allow extended battery life in portable devices without sacrificing responsiveness.
- Flexible Voltage Range: Operates from 1.8 V to 3.6 V, supporting a wide variety of system power configurations and battery chemistries.
- Comprehensive Peripherals: Includes timers, ADC, USART, SPI, and I2C interfaces for versatile sensor and communication integration.
- Compact 64-pin QFN Package: Small form factor supports high-density PCB layouts, reducing overall device footprint.
ATSAMR21G16A-MFT Advantages vs Typical Alternatives
This microcontroller offers a superior combination of integrated wireless capabilities and low power consumption compared to typical standalone MCUs or RF modules. Its ARM Cortex-M0+ core ensures efficient processing, while the embedded IEEE 802.15.4 transceiver reduces external component count, enhancing system reliability and reducing BOM costs. The broad operating voltage and temperature ranges make it adaptable to diverse industrial and portable environments.
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Typical Applications
- Wireless sensor nodes and mesh networks requiring low-power 2.4 GHz communication with embedded processing capabilities, commonly used in smart home and industrial monitoring.
- IoT devices that demand compact, integrated solutions for data acquisition and wireless transmission in constrained form factors.
- Remote controls and consumer electronics benefiting from efficient wireless connectivity and low power operation.
- Building automation systems where reliable IEEE 802.15.4 communication and flexible interfacing support complex control schemes.
ATSAMR21G16A-MFT Brand Info
This microcontroller is part of the ATSAMR21 series, known for combining advanced microcontroller and RF transceiver technology into a single chip. The ATSAMR21G16A-MFT delivers proven performance for developers seeking integrated wireless solutions with flexible microcontroller features. Its design emphasizes low power consumption, broad peripheral support, and compliance with wireless standards, positioning it as a reliable platform for emerging IoT and embedded networking products.
FAQ
What wireless standard does this device support?
This device features an integrated transceiver compliant with the IEEE 802.15.4 standard, operating in the 2.4 GHz ISM band. This enables low-power wireless communication suitable for mesh networks, sensor applications, and IoT devices.
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What is the maximum clock frequency of the processor core?
The embedded ARM Cortex-M0+ core runs at speeds up to 48 MHz, providing efficient 32-bit processing capabilities for embedded applications while maintaining low power consumption.
What are the memory capacities available on this microcontroller?
It includes 256 KB of Flash memory for program storage and 32 KB of SRAM for data and stack usage, supporting moderately complex application code and runtime data management.
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What power supply voltage range is supported?
The device operates over a voltage range from 1.8 V to 3.6 V, allowing compatibility with various battery types and power management schemes commonly used in portable and industrial electronics.
How does this product support low power consumption?
Multiple power-saving modes are integrated, including sleep and standby states, allowing the device to minimize energy use during idle periods while maintaining quick wake-up times for efficient operation in battery-powered systems.
