ATSAMD21E16L-AFT

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: Low power consumption, high performance, small form factor
• Package: 32-pin QFN package
• Essence: ARM Cortex-M0+ microcontroller with 256KB Flash memory and 32KB SRAM
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Microcontroller: ATSAMD21E16L-AFT
• Architecture: ARM Cortex-M0+
• Flash Memory: 256KB
• SRAM: 32KB
• Operating Voltage: 1.62V to 3.63V
• Maximum Clock Speed: 48MHz
• Digital I/O Pins: 22
• Analog Input Pins: 10
• Communication Interfaces: UART, SPI, I2C, USB
• ADC Resolution: 12-bit
• PWM Channels: 6
• Timers: 6
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ATSAMD21E16L-AFT microcontroller has a total of 32 pins. The pin configuration is as follows:

• Pin 1: PA00
• Pin 2: PA01
• Pin 3: PA02
• Pin 4: PA03
• Pin 5: PA04
• Pin 6: PA05
• Pin 7: PA06
• Pin 8: PA07
• Pin 9: GND
• Pin 10: VDDCORE
• Pin 11: VDDANA
• Pin 12: PA08
• Pin 13: PA09
• Pin 14: PA10
• Pin 15: PA11
• Pin 16: PA14
• Pin 17: PA15
• Pin 18: PA16
• Pin 19: PA17
• Pin 20: PA18
• Pin 21: PA19
• Pin 22: PA22
• Pin 23: PA23
• Pin 24: PA24
• Pin 25: PA25
• Pin 26: GND
• Pin 27: VDDIO
• Pin 28: PA27
• Pin 29: PA28
• Pin 30: PA30
• Pin 31: PA31
• Pin 32: GND

Functional Features

• Low power consumption: The ATSAMD21E16L-AFT microcontroller is designed to operate with minimal power consumption, making it suitable for battery-powered devices and energy-efficient applications.
• High performance: With its ARM Cortex-M0+ core and clock speed of up to 48MHz, the microcontroller offers excellent processing capabilities for various applications.
• Small form factor: The compact 32-pin QFN package allows for space-saving designs, making it ideal for applications with limited board space.
• Rich communication interfaces: The microcontroller supports UART, SPI, I2C, and USB interfaces, enabling seamless connectivity with other devices and peripherals.
• Analog and digital I/O: With 10 analog input pins and 22 digital I/O pins, the microcontroller provides flexibility for interfacing with sensors, actuators, and other external components.
• Integrated ADC and PWM: The built-in 12-bit ADC allows for accurate analog-to-digital conversion, while the 6 PWM channels enable precise control of output signals.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - High-performance ARM Cortex-M0+ core enables efficient processing. - Small form factor allows for compact designs. - Rich communication interfaces facilitate connectivity. - Ample analog and digital I/O pins provide flexibility. - Integrated ADC and PWM enhance functionality.

Disadvantages: - Limited Flash memory and SRAM compared to higher-end microcontrollers. - May not be suitable for applications requiring extensive computational power.

Working Principles

The ATSAMD21E16L-AFT microcontroller operates based on the ARM Cortex-M0+ architecture. It executes instructions stored in its Flash memory, processes data, and controls various peripherals and interfaces. The microcontroller communicates with external devices through its communication interfaces such as UART, SPI, I2C, and USB. It can read analog signals from sensors using its built-in ADC and generate precise output signals using its PWM channels. The low power consumption of the microcontroller ensures efficient operation in battery-powered applications.

Application Field Plans

The ATSAMD21E16L-AFT microcontroller finds applications in various fields, including but not limited to:

1. Internet of Things (IoT) devices: The microcontroller's low power consumption, small form factor, and rich communication interfaces make it suitable for IoT applications such as smart home devices, environmental monitoring