ATSAML21G18B-ANT

Product Overview

Category

ATSAML21G18B-ANT belongs to the category of microcontrollers.

Use

This product is primarily used for embedded systems and Internet of Things (IoT) applications.

Characteristics

• Low power consumption
• High-performance ARM Cortex-M0+ processor
• Integrated peripherals for various applications
• Secure boot and secure key storage
• Wide operating voltage range
• Small form factor

Package

ATSAML21G18B-ANT is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide a powerful and energy-efficient solution for embedded systems and IoT devices.

Packaging/Quantity

ATSAML21G18B-ANT is typically packaged in reels or trays, with a quantity of 250 or 500 units per reel/tray.

Specifications

• Microcontroller: ARM Cortex-M0+
• Flash Memory: 256 KB
• SRAM: 32 KB
• Operating Voltage: 1.62V to 3.63V
• Digital I/O Pins: 26
• Analog Input Pins: 14
• Communication Interfaces: UART, SPI, I2C, USB
• Clock Speed: Up to 48 MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of ATSAML21G18B-ANT is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply | | 2 | GND | Ground | | 3 | PA00 | GPIO | | 4 | PA01 | GPIO | | ... | ... | ... | | 45 | PB22 | GPIO | | 46 | PB23 | GPIO | | 47 | VDD | Power Supply | | 48 | GND | Ground |

Functional Features

• Low power consumption in both active and sleep modes
• Advanced security features for secure boot and data protection
• Flexible clocking options for power optimization
• Rich set of integrated peripherals, including timers, ADC, DAC, and communication interfaces
• Support for various communication protocols, such as UART, SPI, I2C, and USB
• Extensive development tools and software libraries available

Advantages and Disadvantages

Advantages

• Energy-efficient design enables longer battery life in portable devices
• Secure boot and key storage enhance system security
• Wide operating voltage range allows compatibility with different power sources
• Integrated peripherals reduce the need for external components
• Abundance of development tools and software support simplifies the design process

Disadvantages

• Limited flash memory and SRAM compared to higher-end microcontrollers
• Relatively small number of digital I/O pins may restrict the complexity of projects
• Higher cost compared to some entry-level microcontrollers

Working Principles

ATSAML21G18B-ANT operates based on the ARM Cortex-M0+ processor architecture. It executes instructions stored in its flash memory, interacts with peripherals through various communication interfaces, and performs tasks according to the program logic. The low power consumption is achieved through efficient power management techniques, allowing the microcontroller to operate in energy-constrained environments.

Detailed Application Field Plans

ATSAML21G18B-ANT finds applications in a wide range of fields, including but not limited to: - Home automation systems - Wearable devices - Industrial control systems - Smart agriculture - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models to ATSAML21G18B-ANT that offer similar functionality and features include: - STM32F030C6T6 - PIC18F45K22 - MSP430G2553 - LPC1768

These alternative models can be considered based on specific project requirements, cost considerations, and availability.

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