ATSAMR21E19A-MF

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ATSAMR21E19A-MF

ARM Microcontrollers - MCU

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Description

The ATSAMR21E19A-MF is a low-power microcontroller from Microchip Technology, part of the SAM R21 family, designed for Internet of Things (IoT) applications. It features a 32-bit ARM Cortex-M0+ core, operating at up to 48 MHz, and includes 256 KB of Flash memory and 32 KB of SRAM. The microcontroller is equipped with a built-in 802.15.4 transceiver for wireless communication, making it suitable for low-power wireless sensor networks.
Key features include multiple I/O ports, various communication interfaces (SPI, I2C, UART), and analog peripherals like ADC and DAC. The ATSAMR21E19A-MF supports low-power sleep modes, enabling extended battery life in portable applications. Additionally, it is compatible with the Atmel Studio and a wide range of development tools, facilitating rapid prototyping and application development.
This microcontroller is ideal for applications such as smart home devices, environmental monitoring, and industrial automation, where low power consumption and wireless connectivity are critical.

Features

The ATSAMR21E19A-MF is a microcontroller from Microchip's SAM R21 series, designed for low-power applications, especially in IoT and wireless sensor networks. Key features include:
1. Core: ARM Cortex-M0+ running at up to 48 MHz.
2. Flash Memory: 256 KB of flash for program storage.
3. RAM: 32 KB of SRAM for data.
4. Communication Interfaces: Supports multiple interfaces including UART, I2C, SPI, and a 2.4 GHz IEEE 802.15.4 transceiver for wireless connectivity.
5. Low Power: Features various sleep modes, making it suitable for battery-operated devices.
6. Analog Features: Includes an integrated 12-bit ADC, DAC, and temperature sensor.
7. Security: Supports hardware encryption and secure boot for enhanced security in IoT applications.
8. Package: Available in a compact 48-pin QFN package.
Overall, the ATSAMR21E19A-MF is ideal for applications requiring efficient power consumption and wireless communication capabilities.

Package

The ATSAMR21E19A-MF comes in a QFN (Quad Flat No-lead) package type, specifically a 48-pin QFN package. This compact design is suitable for applications requiring low profile and efficient thermal performance.

Pinout

The ATSAMR21E19A-MF is a microcontroller from Microchip's SAM R21 family, featuring a total of 48 pins. This chip integrates an ARM Cortex-M0+ core, operating at up to 48 MHz, and includes a range of peripheral functions such as:
- Digital I/O
- Analog-to-Digital Converter (ADC)
- Serial communication interfaces (USART, SPI, I2C)
- Timer/Counters
- Real-Time Counter (RTC)
- Low-power modes for energy efficiency
Additionally, it supports wireless communication (LoRa, Zigbee, etc.) and includes on-chip flash memory and RAM, enabling versatile applications in IoT and low-power devices. The pin configuration allows for flexible connections to various sensors and actuators, making it suitable for embedded system designs.

Manufacturer

The ATSAMR21E19A-MF is manufactured by Microchip Technology Inc., a leading American company specializing in microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, Microchip designs and manufactures a wide range of semiconductor products for various applications, including aerospace, automotive, consumer electronics, and industrial systems. The ATSAMR21E19A-MF is part of their SAM R21 series, which integrates a low-power ARM Cortex-M0+ microcontroller with radio communication capabilities, making it suitable for Internet of Things (IoT) applications. Microchip is known for its focus on embedded control solutions and offers extensive development tools and support for engineers and developers.

Application

The ATSAMR21E19A-MF is ideal for low-power IoT applications, including smart home devices, industrial automation, environmental monitoring, and wearable technology. Its integrated ARM Cortex-M0+ microcontroller and sub-GHz radio make it suitable for remote sensor networks, smart agriculture, and asset tracking. Additionally, it supports wireless communication protocols like LoRa and Sigfox, enhancing its use in connected applications.

Equivalent

The ATSAMR21E19A-MF is a microcontroller from Microchip's SAM R21 family, featuring an ARM Cortex-M0+ core and integrated wireless capabilities. Equivalent products include the ATSAMD21 series for non-wireless applications, and other ATSAMR21 variants with different memory sizes or features (e.g., ATSAMR21G18A). Additionally, consider products from similar families like the Nordic Semiconductor nRF52 series for Bluetooth solutions or the TI CC26xx series for low-power IoT applications. Always verify specific requirements for compatibility.

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