Microchip Technology Inc

ATSAML21G18B

In Production

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

 

    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)
    Parameter Name
    Value
    Family
    SAM L21
    Max Speed MHz
    48
    Program Memory Size (KB)
    256
    RAM (KB)
    40
    Temperature Range (C)
    -40 to 105
    Operating Voltage Range (V)
    1.62 to 3.63
    DMA Channels
    16
    SPITM
    6
    I2CTM Compatible
    6
    Number of Op Amps
    3
    Peripheral Pin Select (PPS) Crossbar
    Yes
    USB
    1
    USB Interface
    Full Speed
    A/D channels
    14
    Max A/D Resolution
    12
    Max A/D Sample Rate (KSPS)
    1000
    Number of DACs
    2
    Input Capture
    6
    Output Compare/Std. PWM
    20
    Motor Control PWM Channels
    14
    16-bit Digital Timers
    5
    Parallel Port
    GPIO
    Comparators
    2
    Internal Oscillator
    32Khz ULP, 16Mhz
    RTCC
    Yes
    I/O Pins
    37
    Pin Count
    48
    Low Power
    Yes
    Crypto Engine
    Yes
    Documentation
    Data Sheets
    06/27/2017
    8519KB
      Application Notes
     
     
     
    AppNote
    12/10/2016
    428KB
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    AppNote
    12/01/2014
    2007KB
    AppNote
    02/01/2015
    225KB
    AppNote
    02/01/2015
    3238KB
    AppNote
    08/01/2015
    174KB
    AppNote
    12/10/2016
    225KB
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    06/01/2015
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    AppNote
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    547KB
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    551KB
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    AppNote
    06/16/2017
    2841KB
    AppNote
    07/28/2017
    936KB
    AppNote
    06/23/2017
    302KB
      Brochures
     
     
     
    Brochures
    08/01/2017
    588KB
    Brochures
    02/24/2017
    2719KB
    Brochures
    07/25/2017
    424KB
    Brochures
    11/01/2014
    785KB
      Product Document
     
     
     
     
    Product Document
    09/11/2017
    2649KB
      Quick Start Guides
     
     
     
     
    Quick Start Guides
    05/01/2013
    112KB
      User Guides
     
     
     
     
    User Guides
    12/10/2016
    4270KB
    Pricing & Samples
    All pricing shown in USD only.
    Part Number
    Leads
    Package Type
    Temp Range
    Packing
    1+
    26+
    100+
    1000+
    5000+
    Buy
    Sample
    ATSAML21G18B-ANT
    48
    TQFP
    -40C to +105C
    T/R
    4.82
    4.38
    3.97
    3.63
    3.48
    Please select a part with a different temperature range.
    ATSAML21G18B-AUT
    48
    TQFP
    -40C to +85C
    T/R
    4.59
    4.17
    3.78
    3.45
    3.31
    ATSAML21G18B-MNT
    48
    VQFN
    -40C to +105C
    T/R
    4.82
    4.38
    3.97
    3.63
    3.48
    Please select a part with a different temperature range.
    ATSAML21G18B-MUT
    48
    VQFN
    -40C to +85C
    T/R
    4.59
    4.17
    3.78
    3.45
    3.31

    ** Device not available to purchase online. Please contact a sales office for pricing information.
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    Development Tools
    • Demo & Eval Boards
    • BTLC1000-XPRO-ADPT ( ATBTLC1000-XPRO-ADPT )

      BTLC1000-XPRO-ADPT

      The ATBTLC1000-XPRO-ADPT is an adapter board for the ATBTLC1000-XPRO expansion board. It is required for the UART hardware flow control functionality to operate correctly when the ATBTLC1000-XPRO expansion board is connected to certain Xplained MCU base boards.

      The BTLC1000XPRO-ADP adapter board supports the SMART SAM L21 Xplained Pro, SAM D21 Xplained Pro, SAM 4S Xplained Pro and...

    • SAM L21 Xplained Pro ( ATSAML21-XPRO-B )

      SAM

      The SAM L21 Xplained Pro evaluation kit is ideal for evaluating and prototyping with the ultra low power SAM L21 ARM® Cortex®-M0+ based microcontrollers. Xplained Pro extension kits that are compatible with SAM L21 Xplained Pro can be purchased individually.

      The ATSAML21-XPRO-B evaluation kit does not include extension boards.

      To begin configuring software for your board,...

    • QT3 Xplained Pro extension kit ( ATQT3-XPRO )

      QT3

      QT3 Xplained Pro is a QTouch keypad extension board demonstrating an ultra-low power keypad design using the Peripheral Touch Controller (PTC). Utilizing the PTCs low power capabilities it enables markets lowest power wake-up on touch.

      Note: QT3 Xplained Pro requires a compatible Xplained Pro evaluation kit. See the Related Tools tab for supported models.

    • Atmel-ICE Full Kit ( ATATMEL-ICE )

      Atmel-ICE

      Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.

      Atmel-ICE supports:

      • Programming and on-chip debugging of all AVR 32-bit MCUs on both JTAG and aWire interfaces
      • Programming and on-chip debugging of all AVR...

    • SMARTCARD XPRO ( ATSMARTCARD-XPRO )

      SMARTCARD

      The SmartCard Xplained Pro is intended for use along with the SAM L22 Xplained Pro to demonstrate and prototype Smart Card applications, leveraging the ISO7816 module on the SAM L22 chip.

    • Power Debugger kit ( ATPOWERDEBUGGER )

      Power

      Power Debugger is a powerful development tool for debugging and programming AVR microcontrollers using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and ARM® Cortex®-M based SAM microcontrollers using JTAG or SWD target interfaces.

      In addition the Power Debugger has two independent current sensing channels for measuring and optimizing the power consumption of...

    • QT2 Xplained Pro extension kit ( ATQT2-XPRO )

      QT2

      QT2 Xplained Pro is a QTouch Surface extension board for Xplained Pro boards that demonstrates the Peripheral Touch Controller (PTC) as a high performance touch-surface controller. The PTC controller uses very little power and resources from the MCU, which makes it easy to integrate touch surface support to your main project.

    • QT5 Xplained Pro extension kit ( ATQT5-XPRO )

      QT5

      QT5 Xplained Pro is an extension kit that enables evaluation of mutual capacitance touch using the Peripheral Touch Controller (PTC). The kit shows how easy it is to design a nice looking capacitive touch interface using the PTC module. The kit includes one board with a curved QTouch mutual capacitance slider and two QTouch mutual capacitance buttons. In addition the board has 16 LEDs arranged as...

    • SAM-ICE ( AT91SAM-ICE )

      SAM-ICE

      SAM-ICE is a JTAG emulator designed for SAMA5, SAM3, SAM4, SAM7 and SAM9 ARM® core-based MCUs and MPUs, including Thumb mode. It supports download speeds up to 720K Bytes per second and maximum JTAG speeds up to 12 MHZ. It also supports Serial Wire Debug (SWD) and Serial Wire Viewer (SWV) from SAM-ICE hardware V6.

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    RoHS Information
    Part
    Number
    Device
    Weight
    Shipping
    Weight
    Lead
    Count
    Package
    Type
    Package
    Width
    Solder
    Composition
    JEDEC
    Indicator
    RoHS
     
    China
    EFUP
    ATSAML21G18B-AUT
    0.142800
    0.300000
    48
    TQFP
    7x7x1mm
    Matte Tin
    e3
    ATSAML21G18B-ANT
    0.142800
    0.300000
    48
    TQFP
    7x7x1mm
    Matte Tin
    e3
    ATSAML21G18B-MUT
    0.131400
    0.129000
    48
    VQFN
    7x7x1mm
    Matte Tin
    e3
    ATSAML21G18B-MNT
    0.131400
    0.129000
    48
    VQFN
    7x7x1mm
    Matte Tin
    e3
    To see a complete listing of RoHS data for this device, please Click here
    Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.