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    5. ATSAMD21G16B-AZ Microchip
    Product FAQ

    1. Is ATSAMD21G16B-AZ available for RFQ?

    Yes. ATSAMD21G16B-AZ by Microchip is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for ATSAMD21G16B-AZ?

    Pricing for ATSAMD21G16B-AZ can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of ATSAMD21G16B-AZ?

    ATSAMD21G16B-AZ is a Microchip Unclassified with Operation Voltage Min.(V): 1.62 and Operation Voltage Max.(V): 3.63. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for ATSAMD21G16B-AZ?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can ATSAMD21G16B-AZ be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to ATSAMD21G16B-AZ?

    Yes. If ATSAMD21G16B-AZ is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip Unclassified parts or compatible alternatives.

    RFQ

    Part Number:

    ATSAMD21G16B-AZ

    Manufacturer:

    Microchip

    Looking for Pricing? Contact us for volume pricing.

    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    ATSAMD21G16B-AZ [Microchip]

    ATSAMD21G16B-AZ
    ATSAMD21G16B-AZ

    Part No:

    ATSAMD21G16B-AZ

    Category:

    Unclassified

    Manufacturer:

    Microchip

    Description:

    SAMD21, 64KB Flash, 8KB RAM, General Purpose, ARM Cortex M0+, low power, 32-pin

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Part Family
    SAMD21
    CPU Type
    Cortex-M0+
    MaxSpeed (MHz)
    48
    Program Memory Size (KB)
    64
    SRAM (KB)
    8
    Temp. Range Min.
    -40
    Temp. Range Max.
    125
    Operation Voltage Min.(V)
    1.62
    Operation Voltage Max.(V)
    3.63
    SPI
    6
    I2C
    6
    UART
    6
    QSPI
    0
    Crypto Engine
    No
    Internal Oscillator
    32khz, 32Khz ULP, 8Mhz
    Pin Count
    48

    Products Detail

    NOTE: ATSAMD21G16A is not recommended for new designs, please use ATSAMD21G16B.

    A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD21G16 is ideal for a wide range of home automation, consumer, metering and industrial applications. It features:

    • 64KB of flash and 8KB of SRAM
    • Up to 48MHz operating frequency
    • Six serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, three 16-bit timer/counters, 32-bit Real-Time Clock and calendar, 20 PWM channels, one 20-channel 12-bit ADC, one 10-bit DAC
    • Full Speed USB Device and embedded Host
    • Support for up to 120 touch channels
    • 1.62V to 3.63V power supply
    • Easy pin migration to SAMD21G and SAMD21J devices


    Supported by MPLAB X IDE and MPLAB Harmony.

    Functional Safety

    This device supports the ISO 26262 (ASIL B), IEC 61508 (SIL 2) and IEC 60730 (Class B) functional safety standards.  

    ·   The Functional Safety Manual, FMEDA and information on the Diagnostic Software are available under NDA through the request form on the 32-bit Microcontrollers Functional Safety web page.

    ·   To request any information about the SIL 2 STL, please fill out and submit the request form on Industrial Safety Self-Test Library web page.

    ·  Learn more about  32-bit MCUs with Functional Safety capabilities including device hardware and certified software libraries. 



  • Single-cycle hardware multiplier
  • Micro Trace Buffer
  • 64KB in-system self-programmable Flash
  • 8KB SRAM Memory
  • Power-on reset (POR) and brown-out detection (BOD)
  • Internal and external clock options with 48MHDigital Frequency Locked Loop (DFLL48M) and 48MHto 96MHFractional
  • External Interrupt Controller (EIC)
  • 16 external interrupts
  • One non-maskable interrupt
  • Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
  • Drop in compatible with SAM D20
  • Idle and standby sleep modes
  • SleepWalking peripherals
  • 12-channel Direct Memory Access Controller (DMAC)
  • 12-channel Event System
  • One 16-bit TC with compare/capture channels
  • One 8-bit TC with compare/capture channels
  • One 32-bit TC with compare/capture channels, by using two TCs
  • Up to four compare channels with optional complementary output
  • Generation of synchronized pulse width modulation (PWM) pattern across port pins
  • Deterministic fault protection, fast decay and configurable dead-time between complementary output
  • Dithering that increase resolution with up to 5 bit and reduce quantization error
  • 32-bit Real Time Counter (RTC) with clock/calendar function
  • Watchdog Timer (WDT)
  • CRC-32 generator
  • Embedded device function
  • Eight endpoints
  • USART with full-duplex and single-wire half-duplex configuration
  • I2C Bus up to 3.4MHz
  • SMBUS/PMBUS
  • SPI
  • LIN client
  • Differential and single-ended input
  • 1/2x to 16x programmable gain stage
  • Automatic offset and gain error compensation
  • Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
  • 10-bit, 350ksps Digital-to-Analog Converter (DAC)
  • Two Analog Comparators (AC) with window compare function
  • 256-channel capacitive touch and proximity sensing
  • 38 GPIO pins
  • 48-pin TQFP, QFN, WLCSP
  • 1.62V – 3.63V
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