ATSAML21J17B-MUT

Product Overview

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

Specifications

• Architecture: 32-bit ARM Cortex-M0+
• Clock Speed: Up to 48 MHz
• Flash Memory: 128 KB
• SRAM: 16 KB
• Operating Voltage: 1.62V to 3.63V
• Digital I/O Pins: 32
• Analog Input Pins: 12
• Communication Interfaces: UART, SPI, I2C, USB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ATSAML21J17B-MUT microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pin 1: VDDANA
• Pin 2: GND
• Pin 3: PA00
• Pin 4: PA01
• Pin 5: PA02
• ...
• Pin 64: VDDCORE

For the complete pin configuration diagram, please refer to the datasheet.

Functional Features

• Low power consumption for extended battery life
• High-performance ARM Cortex-M0+ processor
• Secure boot and secure key storage for enhanced security
• Flexible communication interfaces for easy integration with other devices
• Rich set of peripherals for versatile application development
• Advanced power management options for efficient energy usage

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - High-performance processor enables efficient execution of complex tasks. - Secure boot and key storage enhance the security of embedded systems. - Flexible communication interfaces allow easy integration with various devices. - Rich set of peripherals provide versatility in application development.

Disadvantages: - Limited flash memory and SRAM may restrict the complexity of applications. - Higher cost compared to some other microcontrollers in the market. - Requires familiarity with ARM architecture for efficient programming.

Working Principles

The ATSAML21J17B-MUT microcontroller is based on the ARM Cortex-M0+ architecture. It operates by executing instructions stored in its flash memory. The processor communicates with peripherals and external devices through various communication interfaces such as UART, SPI, I2C, and USB. The microcontroller's low-power design allows it to operate efficiently in battery-powered devices. Its secure boot and key storage features ensure the integrity and confidentiality of the system.

Application Field Plans

The ATSAML21J17B-MUT microcontroller finds applications in various fields, including but not limited to:

1. Internet of Things (IoT) devices: Enables connectivity and control in smart home automation, industrial monitoring, and wearable devices.
2. Consumer electronics: Powers energy-efficient devices such as fitness trackers, remote controls, and portable medical devices.
3. Industrial automation: Controls and monitors machinery, sensors, and actuators in manufacturing processes.
4. Automotive: Supports advanced driver assistance systems (ADAS), infotainment systems, and vehicle diagnostics.
5. Security systems: Provides secure authentication and encryption for access control systems, surveillance cameras, and alarm systems.

Alternative Models

1. ATSAMD21G18A-MU: Similar features and specifications, but with 256 KB flash memory.
2. ATSAML10E16A-MU: Lower power consumption and smaller package size, suitable for ultra-low-power applications.
3. ATSAMD51J20A-MU: Higher performance with a 32-bit ARM Cortex-M4+ processor and larger memory options.

These alternative models offer different trade-offs in terms of cost, power consumption, and performance, allowing developers to choose the most suitable microcontroller for their specific application requirements.