ATSAMD21E17L-MN

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, and other applications requiring low-power and high-performance microcontrollers.
• Characteristics: Low power consumption, high performance, small package size, and a wide range of integrated peripherals.
• Package: QFN (Quad Flat No-Lead)
• Essence: The ATSAMD21E17L-MN is a 32-bit ARM Cortex-M0+ microcontroller that offers a balance between power efficiency and processing capabilities.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Microcontroller Core: ARM Cortex-M0+
• Operating Voltage: 1.62V to 3.63V
• Clock Speed: Up to 48 MHz
• Flash Memory: 128 KB
• SRAM: 16 KB
• Digital I/O Pins: 20
• Analog Input Pins: 6
• Serial Communication Interfaces: UART, SPI, I2C
• PWM Channels: 10
• ADC Resolution: 12-bit
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ATSAMD21E17L-MN microcontroller has a total of 32 pins. The pin configuration is as follows:

• Pin 1: VDDANA (Analog Power Supply)
• Pin 2: PA00 (Digital I/O)
• Pin 3: PA01 (Digital I/O)
• ...
• Pin 31: GND (Ground)
• Pin 32: VDDCORE (Core Power Supply)

Functional Features

• Low power consumption allows for extended battery life in portable devices.
• High-performance ARM Cortex-M0+ core enables efficient execution of complex tasks.
• Integrated peripherals such as UART, SPI, and I2C provide versatile communication options.
• 12-bit ADC allows for accurate analog signal measurements.
• Multiple PWM channels enable precise control of connected devices.

Advantages

• Efficient power management capabilities result in longer battery life.
• High-performance processing capabilities enable the execution of complex algorithms.
• Small package size makes it suitable for space-constrained applications.
• Wide range of integrated peripherals reduces the need for external components.

Disadvantages

• Limited flash memory and SRAM may restrict the complexity of applications.
• Lack of floating-point unit (FPU) limits the performance of certain mathematical operations.

Working Principles

The ATSAMD21E17L-MN microcontroller operates based on the ARM Cortex-M0+ architecture. It executes instructions stored in its flash memory and interacts with various peripherals to perform desired tasks. The microcontroller can be programmed using development tools and software, allowing developers to create custom applications.

Application Field Plans

The ATSAMD21E17L-MN microcontroller is suitable for a wide range of applications, including:

1. Internet of Things (IoT) devices
2. Wearable technology
3. Home automation systems
4. Industrial automation
5. Consumer electronics

Alternative Models

• ATSAMD21G18A: Similar features but with higher flash memory and SRAM capacity.
• ATSAMD20E15A: Lower-cost alternative with reduced features and performance.
• ATSAMD51J19A: Higher-performance alternative with an ARM Cortex-M4 core and additional features.

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