Microchip ATSAMD21E18A-AUT
Microchip ATSAMD21E18A-AUT

Microchip ATSAMD21E18A-AUT

Manufacturer No:

ATSAMD21E18A-AUT

Manufacturer:

Microchip

Package:

32-TQFP

Description:

SAMD21, 256KB Flash, 32KB RAM, General Purpose, ARM Cortex M0+, low power, 32-pin

Delivery:

DHL
DHL
DHL
DHL

Payment:

DHL
DHL
DHL
DHL
DHL
DHL
DHL

In Stock :Available

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ATSAMD21E18A-AUT information

Microchip ATSAMD21E18A-AUT technical specifications, attributes, parameters and parts with similar specifications to Microchip ATSAMD21E18A-AUT.

  • Type
  • Parameter
  • Part Family
  • SAMD21
  • CPU Type
  • Cortex-M0+
  • MaxSpeed (MHz)
  • 48
  • Program Memory Size (KB)
  • 256
  • SRAM (KB)
  • 32
  • Temp. Range Min.
  • -40
  • Temp. Range Max.
  • 125
  • Operation Voltage Min.(V)
  • 1.62
  • Operation Voltage Max.(V)
  • 3.63
  • SPI
  • 4
  • I2C
  • 4
  • UART
  • 4
  • QSPI
  • 0
  • Crypto Engine
  • No
  • Internal Oscillator
  • 32khz, 32Khz ULP, 8Mhz
  • Pin Count
  • 32

Download datasheets and manufacturer documentation for Microchip ATSAMD21E18A-AUT.

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Legacy Collaterals:

User Guide:

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Tech Brief:

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Supporting Collateral:

A low-power, high-performance Microchip's ARM® Cortex®-M0+ based Flash microcontroller, the ATSAMD21E18 is ideal for a wide range of home automation, consumer, metering, and industrial applications. It features:

  • 256KB of flash and 32KB of SRAM
  • Up to 48MHz operating frequency
  • Four serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, three 16-bit timer/counters, 32-bit Real-Time Clock and calendar, 18 PWM channels, one 14-channel 12-bit ADC, one 10-bit DAC
  • Full Speed USB Device and embedded Host
  • Support for up to 60 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
  • 256KB in-system self-programmable Flash
  • 32KB 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
  • 26 GPIO pins
  • 32-pin TQSP, QFN, WLCSP
  • 1.62V – 3.63V

    • User Guide

    PURCHASE

    Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

    MEANS OF PAYMENT

    For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

    RFQ (REQUEST FOR QUOTATIONS)

    Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
    Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

    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.

    Step1：Prepare product

    Step1：Prepare product

    Step2：Desiccant Protection

    Step2：Desiccant Protection

    Step3：Vacuum Packaging

    Step3：Vacuum Packaging

    Step4：Individual Package

    Step4：Individual Package

    Step5：Anti-collision Filling

    Step5：Anti-collision Filling

    Step6：Packaging Box

    Step6：Packaging Box

    SHIPPING COST

    1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
    2. Some specific products need to reach the minimum order quantity.
    3. It may cost additional remote fees for delivery if you are in a remote area.

    SHIPPING METHOD

    Currently, our products are shipped through DHL, FedEx, SF, and UPS.

    DELIVERY TIME

    1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
    2. For in-stock parts, orders normally could be shipped out within 1-2days.

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