ATSAML21J17B-UUT

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics:
  • Low-power consumption
  • High-performance ARM Cortex-M0+ processor
  • Integrated peripherals for various applications
• Package: QFN-48
• Essence: A microcontroller designed for low-power and high-performance applications.
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier.

Specifications

• Processor: 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-UUT microcontroller has a total of 48 pins. The pin configuration is as follows:

• Pin 1: VDDANA
• Pin 2: GND
• Pin 3: PA00
• Pin 4: PA01
• Pin 5: PA02
• ...
• Pin 48: PB31

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

Functional Features

• Low-power consumption enables battery-powered applications.
• High-performance ARM Cortex-M0+ processor allows for efficient execution of tasks.
• Integrated peripherals such as UART, SPI, I2C, and USB provide flexibility for various communication needs.
• Rich analog input pins enable sensor interfacing.
• Extensive flash memory and SRAM allow for storing and processing data.

Advantages

• Low-power consumption extends battery life in portable devices.
• High-performance processor ensures efficient execution of tasks.
• Integrated peripherals simplify hardware design and reduce external component count.
• Ample flash memory and SRAM provide sufficient storage and processing capabilities.

Disadvantages

• Limited number of digital I/O pins may restrict the number of external devices that can be connected directly.
• Operating temperature range may not be suitable for extreme environments.

Working Principles

The ATSAML21J17B-UUT microcontroller operates based on the ARM Cortex-M0+ architecture. It executes instructions stored in its flash memory, processes data using its integrated peripherals and resources, and communicates with external devices through various communication interfaces.

Application Field Plans

The ATSAML21J17B-UUT microcontroller is suitable for a wide range of applications, including but not limited to:

1. Home automation systems
2. Wearable devices
3. Industrial control systems
4. Smart agriculture solutions
5. Internet of Things (IoT) devices

Alternative Models

1. ATSAMD21G18A: Similar microcontroller with lower flash memory and SRAM capacity.
2. ATSAML22J18B: Upgraded version with additional features and higher clock speed.

Please note that the above list is not exhaustive, and there are other alternative models available in the market.

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