Microchip Technology Tariff Inquiry

ATSAMD21J18A-AFT

The ATSAMD21J18A-AFT is a microcontroller unit (MCU) manufactured by Microchip Technology. It belongs to the SAM D21 family of ARM Cortex-M0+ based MCUs designed for a wide range of applications.

Description:

The ATSAMD21J18A-AFT is a low-power, high-performance MCU with a 32-bit ARM Cortex-M0+ processor. It operates at a maximum frequency of 48 MHz and features 256 KB of flash memory, 32 KB of SRAM, and a wide range of integrated peripherals.

Features:

1. ARM Cortex-M0+ processor with a maximum frequency of 48 MHz
2. 256 KB of flash memory
3. 32 KB of SRAM
4. Flexible clock options with an internal oscillator and support for external crystals
5. Rich peripheral set, including:
   • I2C, SPI, and USART communication interfaces
   • USB interface with device, host, and OTG support
   • Low-power UART (LPUART)
   • SERCOM (Serial Communication Interface) for additional serial communication options
   • 12-bit ADC with up to 20 channels
   • 16-bit DAC
   • PWM channels
   • RTC (Real-Time Clock)
   • Event system for peripheral integration
6. Security features, including:
   • Secure boot
   • Flash memory read protection
   • Peripheral and bus matrix protection
7. Low-power modes to extend battery life in portable applications
8. Small form factor package options, including a 48-pin QFN package

Applications:

The ATSAMD21J18A-AFT is suitable for a wide range of applications due to its low power consumption, high performance, and versatile peripheral set. Some common applications include:

1. Industrial automation and control systems
2. Portable and wearable devices
3. Medical devices and equipment
4. Home automation and IoT devices
5. Human Interface Devices (HID), such as keyboards and mice
6. Smart sensors and sensing systems
7. Battery-powered devices, where low power consumption is critical
8. Consumer electronics, such as toys and small appliances

The ATSAMD21J18A-AFT's combination of processing power, memory, and peripheral options make it a popular choice for developers looking to create efficient and feature-rich embedded systems.