ATSAML21E16B-AUT

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: Low-power, high-performance, secure
• Package: 32-pin QFN
• Essence: ARM Cortex-M0+ based microcontroller
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Microcontroller: ARM Cortex-M0+
• Flash Memory: 64KB
• SRAM: 16KB
• Operating Voltage: 1.62V to 3.63V
• Operating Temperature: -40°C to +85°C
• I/O Pins: 26
• Communication Interfaces: SPI, I2C, UART, USB
• Analog-to-Digital Converter (ADC): 10-bit, 12 channels
• Timers/Counters: 4 x 16-bit, 1 x 24-bit
• Power Consumption: Low power mode with sleep currents down to 1.5µA

Pin Configuration

The ATSAML21E16B-AUT microcontroller has a total of 32 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power supply voltage | | 2 | GND | Ground | | 3 | PA00 | General-purpose I/O | | 4 | PA01 | General-purpose I/O | | ... | ... | ... | | 31 | PB30 | General-purpose I/O | | 32 | PB31 | General-purpose I/O |

Functional Features

• Low-power operation for extended battery life in portable devices
• High-performance ARM Cortex-M0+ processor for efficient execution of tasks
• Secure boot and secure key storage for enhanced system security
• Flexible communication interfaces for seamless integration with other devices
• Rich set of peripherals, including ADC, timers/counters, and more

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• High-performance processor enables efficient task execution.
• Secure boot and key storage enhance system security.
• Flexible communication interfaces allow easy integration with other devices.
• Rich set of peripherals provides versatility for various applications.

Disadvantages

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

Working Principles

The ATSAML21E16B-AUT microcontroller is based on the ARM Cortex-M0+ architecture. It operates at low power while providing high performance through efficient task execution. The microcontroller can be programmed to perform various functions using its integrated peripherals and communication interfaces. It utilizes a secure boot mechanism and secure key storage to ensure system security.

Detailed Application Field Plans

The ATSAML21E16B-AUT microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Enables connectivity and control in IoT applications such as smart home systems, industrial automation, and wearable devices.
2. Consumer electronics: Powers low-power devices like fitness trackers, remote controls, and portable medical devices.
3. Industrial control systems: Provides control and monitoring capabilities in industrial automation, robotics, and process control systems.
4. Automotive electronics: Used in automotive applications such as engine control units, infotainment systems, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

1. ATSAMD21G18A: Similar to ATSAML21E16B-AUT but with more flash memory and SRAM.
2. ATSAML10E16A: Lower-cost alternative with reduced features and performance.
3. ATSAMD51J19A: Higher-end model with increased computational power and advanced peripherals.

These alternative models offer different specifications and capabilities to suit various application requirements.

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