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Home > Embedded ICs > 32bit MCU > ATSAML21J18B-ANT
Microchip

ATSAML21J18B-ANT

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ATSAML21J18B-ANT Overview

ATSAML21J18B-ANT is a microcontroller from the SAM L21 series, manufactured by Microchip Technology. It is based on the ARM Cortex-M0+ core and is designed for low-power applications that require energy efficiency and battery life optimization.

Features

  • ARM Cortex-M0+ core running at up to 48 MHz clock frequency
  • 256 KB Flash memory for program storage
  • 32 KB SRAM for data storage and manipulation
  • Multiple integrated peripherals including UART, SPI, I²C, USB, and ADC
  • Low-power sleep modes and peripheral control to minimize power consumption
  • Event system for efficient inter-peripheral communication
  • Configurable Custom Logic (CCL) for creating custom digital logic functions
  • On-chip hardware cryptography for secure data storage and communication
  • Real-Time Clock (RTC) with calendar and alarm functions
  • Capacitive touch sensing for user interface applications
  • Multiple timers and PWM channels for precise timing and control

Applications

  • Internet of Things (IoT) devices
  • Wearable technology
  • Smart home automation
  • Sensor networks
  • Battery-powered applications
  • Industrial control systems
  • Medical and healthcare devices
  • Consumer electronics

Specifications

  • Core Processor ARM Cortex M0+

  • Speed 48MHz

  • Operating Temperature -40℃ ~ 105℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 32K x 8

  • Number of I/O 51

  • Peripherals DMA, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 64-TQFP (10x10)

  • Package / Case 64-TQFP Exposed Pad

  • Core Size 32-Bit

  • Connectivity I2C, LINbus, SCI, SPI, UART/USART, USB

  • Program Memory Size 256KB (256K x 8)

  • Data Converters A/D 20x12b; D/A 2x12b

  • Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.63V

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