ATSAMR21E16A-MF Overview
The ATSAMR21E16A-MF is a highly integrated wireless microcontroller designed for low-power and reliable 2.4 GHz RF applications. Combining an ARM Cortex-M0+ 32-bit processor with an IEEE 802.15.4-compliant radio transceiver, it offers seamless connectivity for IoT and industrial automation systems. Its compact 32-pin QFN package ensures easy integration into space-constrained designs. This device features flexible power management, multiple communication interfaces, and a rich set of peripherals to support complex embedded applications. Engineers and sourcing specialists will find it ideal for developing energy-efficient, secure, and scalable wireless solutions. For detailed product information, visit IC Manufacturer.
ATSAMR21E16A-MF Technical Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M0+ 32-bit CPU |
| Operating Frequency | Up to 48 MHz |
| Flash Memory | 64 KB |
| SRAM | 8 KB |
| Radio Standard | IEEE 802.15.4 (2.4 GHz) |
| Package Type | 32-pin QFN (5×5 mm) |
| Power Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40 ??C to +85 ??C |
| Communication Interfaces | UART, SPI, I2C, USART |
| ADC | 10-bit, 8 channels |
ATSAMR21E16A-MF Key Features
- Integrated ARM Cortex-M0+ core: Enables efficient processing power with low energy consumption for embedded wireless applications.
- IEEE 802.15.4-compliant radio transceiver: Provides reliable 2.4 GHz wireless communication suitable for mesh networking and low-data-rate applications.
- Flexible power management: Supports various low-power modes to extend battery life in portable and remote devices.
- Multiple communication peripherals: Includes UART, SPI, I2C, and USART interfaces for easy integration with sensors and external modules.
- Compact 32-pin QFN package: Allows for space-efficient PCB layouts in compact industrial and consumer devices.
- 10-bit ADC with multiple channels: Facilitates precise analog signal measurement, essential for sensor interfacing and data acquisition.
- Wide operating voltage and temperature range: Ensures robust operation in diverse environmental conditions common in industrial settings.
ATSAMR21E16A-MF Advantages vs Typical Alternatives
This wireless microcontroller offers a unique combination of low power consumption and high integration, outperforming typical alternatives that require separate radio and MCU components. Its IEEE 802.15.4 radio ensures enhanced communication reliability and sensitivity, while the Cortex-M0+ core delivers efficient processing with minimal energy use. Additionally, the device??s flexible peripheral set and compact packaging simplify design complexity, improving overall system reliability and reducing BOM costs.
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Typical Applications
- Wireless sensor networks: Ideal for low-data-rate, battery-powered sensor nodes requiring reliable 2.4 GHz communication and long operational life.
- Smart home automation: Supports control and monitoring devices such as lighting, HVAC, and security systems through mesh networking protocols.
- Industrial IoT: Enables robust wireless connectivity for asset tracking, predictive maintenance, and environmental sensing in harsh industrial environments.
- Wearable devices: Provides low-power wireless connectivity and processing for health monitoring and fitness trackers.
ATSAMR21E16A-MF Brand Info
This product is manufactured by a leading semiconductor provider specializing in microcontrollers and wireless connectivity solutions. The device is part of an established family of low-power wireless ICs designed to meet the demanding requirements of IoT, industrial automation, and consumer electronics markets. Known for delivering reliable performance and integration, the brand focuses on enabling engineers to develop compact, efficient, and scalable wireless systems with ease.
FAQ
What type of wireless communication does this device support?
The device supports IEEE 802.15.4 wireless communication at 2.4 GHz, a standard commonly used for low-data-rate, low-power wireless networking including Zigbee and Thread protocols. This makes it suitable for mesh networks and other wireless sensor applications.
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What is the power supply range required to operate this microcontroller?
It operates within a voltage range of 1.8 V to 3.6 V, allowing flexibility for battery-powered and regulated supply systems. This wide range supports various power sources including coin cells and Li-ion batteries.
How much memory is available on the device?
The microcontroller includes 64 KB of embedded Flash memory for program storage and 8 KB of SRAM for data handling and runtime operations. This memory configuration supports moderate code size and real-time processing needs.
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What packaging options are available for this product?
This device is available in a 32-pin QFN package measuring 5 mm by 5 mm. The compact package is designed to facilitate integration into space-constrained applications while ensuring good thermal performance and reliable soldering.
Can this device be used in harsh industrial environments?
Yes, it supports an operating temperature range from -40 ??C to +85 ??C, making it suitable for industrial, automotive, and outdoor applications where extended temperature tolerance is required for reliable operation.
