ATSAML21J18B-AUT

The ATSAML21J18B-AUT is a high-performance ARM Cortex-M0+ based microcontroller featuring advanced low-power capabilities and a wide range of integrated peripherals. It is designed for applications requiring efficient processing, connectivity, and security features.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDDANA: Analog power supply
• VDDIO/SYS: Digital I/O power supply or system voltage
• VSW: Switched digital power output
• VDDCORE: Core logic power supply
• VDDIN: Analog input power supply
• GND: Ground connection
• RST: Reset pin
• XIN32, XOUT32: 32kHz crystal oscillator input and output
• XIN, XOUT: Main crystal oscillator input and output
• USB: USB positive data pin
• ULPI: USB low pin interface
• VBUS: USB bus voltage

Circuit Diagram

Please refer to the specific datasheet for a detailed circuit diagram illustrating the connections and operation of the ATSAML21J18B-AUT.

Key Features

• ARM Cortex-M0+ Core: Offers efficient processing capabilities for various applications.
• Integrated Peripherals: Includes a wide range of peripherals such as ADC, DAC, UART, I2C, SPI, and USB for versatile connectivity options.
• Low Power Operation: Features advanced low-power modes for optimized energy efficiency.
• Secure Boot and Flash Protection: Provides security features to protect the device's code and data.
• Flexible Clocking Options: Supports various clock sources and frequency options for enhanced performance.
• High-Speed USB: Offers USB 2.0 full-speed connectivity for data transmission.

Note: For detailed technical specifications, please refer to the ATSAML21J18B-AUT datasheet.

Application

• Embedded Systems: Ideal for use in embedded systems requiring compact and energy-efficient microcontroller solutions.
• IoT Devices: Suitable for IoT applications that demand connectivity, low power consumption, and security features.
• Smart Sensors: Used in smart sensor devices for data acquisition, processing, and communication.

Functionality

The ATSAML21J18B-AUT is a feature-rich microcontroller designed for efficient processing, connectivity, and security in a wide range of applications. It offers a balance of performance, power efficiency, and security features for reliable operation.

Usage Guide

• Power Supply: Connect the required power supply pins (VDDANA, VDDCORE, VDDIO/SYS) to the appropriate voltage source.
• Peripheral Connections: Interface external peripherals with the designated I/O pins based on the application requirements.
• Programming: Use the provided development tools and software to program the microcontroller with the desired functionality.

Frequently Asked Questions

Q:What are the key advantages of the ATSAML21J18B-AUT for IoT applications?
A:The ATSAML21J18B-AUT offers low power consumption, robust connectivity options, and advanced security features, making it ideal for IoT device development.

Q:Can the ATSAML21J18B-AUT operate in harsh industrial environments?
A:Yes, the ATSAML21J18B-AUT is designed to operate reliably in industrial environments with features like secure boot and flash protection.