ATSAML21E17B-ANT

Product Overview

Category: Microcontroller
Use: Embedded Systems
Characteristics: Low-power, high-performance
Package: QFN
Essence: ARM Cortex-M0+ core
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 1.62V to 3.63V
• Flash Memory: 128KB
• SRAM: 16KB
• Clock Speed: Up to 48MHz
• Digital I/O Pins: 32
• Analog Input Pins: 14
• Serial Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 6
• ADC Resolution: 12-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATSAML21E17B-ANT microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Digital I/O Pins (GPIO)
• Pins 9-22: Analog Input Pins (ADC)
• Pins 23-30: Serial Communication Interface Pins (UART, SPI, I2C)
• Pins 31-36: Timer/Counter Pins
• Pins 37-40: Power Supply and Ground Pins
• Pins 41-64: Reserved for other functions

Functional Features

• Low power consumption with multiple sleep modes
• High-performance ARM Cortex-M0+ core
• Advanced analog and digital peripherals
• Secure boot and flash protection mechanisms
• Flexible clocking options
• Rich set of communication interfaces
• Extensive debugging and development tools support

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices - High-performance core enables efficient processing of complex tasks - Secure boot and flash protection enhance system security - Flexible clocking options allow optimization for different applications - Rich set of communication interfaces enable seamless connectivity

Disadvantages: - Limited amount of Flash memory (128KB) may restrict the size of firmware or data storage - Relatively small number of digital I/O pins (32) may limit the number of connected peripherals

Working Principles

The ATSAML21E17B-ANT microcontroller is based on the ARM Cortex-M0+ core, which provides a low-power yet high-performance computing platform. It operates at a clock speed of up to 48MHz and offers various sleep modes to minimize power consumption.

The microcontroller integrates advanced analog and digital peripherals, such as ADCs, UARTs, SPI, and I2C interfaces, timers/counters, and more. These peripherals enable the microcontroller to interface with external devices and perform a wide range of functions.

Secure boot and flash protection mechanisms ensure the integrity and security of the firmware. The flexible clocking options allow developers to optimize the performance and power consumption according to the specific application requirements.

Detailed Application Field Plans

The ATSAML21E17B-ANT microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices
2. Wearable technology
3. Home automation systems
4. Industrial automation
5. Consumer electronics
6. Medical devices
7. Automotive electronics
8. Smart energy management systems

Its low-power characteristics make it suitable for battery-powered devices, while its high-performance capabilities enable efficient processing of complex tasks.

Detailed and Complete Alternative Models

1. ATSAML21G18B-ANT: Similar to ATSAML21E17B-ANT but with larger Flash memory (256KB)
2. ATSAMD21G18A-ANT: Another microcontroller from the same family with similar features but based on the ARM Cortex-M0 core
3. ATSAMC21N18A-ANT: Microcontroller with more advanced features, including a larger SRAM (32KB) and additional peripherals

These alternative models offer different memory capacities and additional features, providing options for developers based on their specific requirements.

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