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Home > Embedded ICs > 32bit MCU > ATSAML21J18B-AUT

Microchip ATSAML21J18B-AUT

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ATSAML21J18B-AUT Overview

Theultra-low-power ATSAML21 based Flash microcontroller (MCU) featuresophisticated power management technologies and consumesunder 35 µA/MHz in active mode and 200nA in Sleep mode. In addition toultra-low-power performance, these devices feature Full Speed USB host anddevice, Event System and Sleepwalking, 12-bit analog, AES, capacitive touch sensing,built in opAmps and much more. 


Supported by MPLAB X IDE and MPLAB Harmony.

ECAD Model

Symbol

ATSAML21J18B-AUT

Footprint

ATSAML21J18B-AUT

Features

    Key Features:

    • ARM Cortex-M0+ CPU running at up to 48MHz
    • 256KB in-system self-programmable Flash
    • 8KB Flash Read-While-Write section
    • 32KB SRAM Main Memory
    • 8KB SRAM Low power Memory
    • Operating voltage: 1.62V – 3.63V
    • Ultra Low Power Architecture consuming under 35uA/MHz in Active mode
    • Idle, Standby, Backup, and Off sleep modes
    • Battery backup support
    • Two Performance Levels
    • Embedded Buck/LDO regulator supporting on-the-fly selection
    • Peripheral Touch Controller (PTC)
      • Wake-up on touch in standby mode
    • Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
    • Temperature Range - 40°C to 85°C, - 40°C to 105°C

     

    Peripheral Features:

    • 16-channel Direct Memory Access Controller (DMAC)
    • 12-channel Event System
    • 16-bit Timer/Counters (TC) including one low-power TC
    • Two 24-bit and one 16-bit Timer/Counters for Control (TCC)
    • 32-bit Real Time Counter (RTC) with clock/calendar function
    • Watchdog Timer (WDT)
    • CRC-32 generator
    • One full-speed (12Mbps) Universal Serial Bus (USB) 2.0 interface
    • Up to six Serial Communication Interfaces (SERCOM) including one low-power SERCOM
      • USART, I2C, SPI, LIN slave
    • One AES Encryption Engine & TRNG
    • One Configurable Custom Logic (CCL)

    Advanced Analog :

    • One 12-bit, 1MSPS Analog-to-Digital Converter (ADC)
    • Two channel, 12-bit, 1MSPS Dual Output Digital-to-Analog Converter (DAC)
    • Two Analog Comparators (AC) with window compare function
    • Three Operational Amplifiers (OPAMP)

Applications

SAM L21J

Product Parameter

  • Core Processor ARM Cortex M0+

  • Speed 48MHz

  • Operating Temperature -40℃ ~ 85℃ (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

Circuit Diagram

ATSAML21J18B-AUT Related Keywords

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  • ATSAML21J18B-AUT Pin voltage

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