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ATSAMD20E18
  • ATSAMD20E18
  • ATSAMD20E18

ATSAMD20E18

In Production

A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD20E17 is ideal for a wide range of home automation, consumer, metering, and industrial applications. It features:256KB of flash and 32KB of SRAMUp to 48MHz operating frequencyFour serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, six 16-bit timer/counters, 32-bit Real Time clock and calendar, 10 PWM channels, one 10-channel 12-bit ADC, one 10-bit DACSupport for up to??60 touch channels1.62V to 3.63V power supplyEasy pin migration to SAMD20G and SAMD20J devicesSupported by MPLAB X IDE and MPLAB Harmony....

Microchip Technology ATSAMD20E18 Product Info

16 April 2026 0

Parameters

CPU

Cortex-M0+

I2C

4

CPU Speed Max

48

Operation Voltage Max.(V)

3.63

Operation Voltage Min.(V)

1.62

Internal Oscillator

32khz, 32Khz ULP, 8Mhz

Part Family

SAMD20

QSPI

0

U(S)ART

4 -UART

Program Memory Size (KB)

256

Pincount

32

Crypto Engine

No

TempRange Min

-40

TempRange Max

105

Features

  • ARM Cortex-M0+ CPU running at up to 48MHz
  • Single-cycle hardware multiplier
  • 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 96MHz
  • fractional digital phase locked loop (FDPLL96M)
  • External interrupt controller (EIC)
  • 16 external interrupts
  • One non-maskable interrupt
  • Two-pin serial wire debug (SWD) programming, test and debugging interface
  • Idle and standby sleep modes
  • SleepWalking peripherals
  • 8-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
  • 32-bit real time counter (RTC) with clock/calendar function
  • Watchdog timer (WDT)
  • CRC-32 generator
  • USART with full-duplex and single-wire half-duplex configuration
  • I2C up to 40kHz
  • SPI
  • 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 TQFP, QFN
  • 1.62V to 3.63V
  • Down to 70µA/MHz in active mode
  • Down to 8µA running the peripheral Touch Controller
  • –40 to +105°C

    • Description

    A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD20E17 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, six 16-bit timer/counters, 32-bit Real Time clock and calendar, 10 PWM channels, one 10-channel 12-bit ADC, one 10-bit DAC
    • Support for up to??60 touch channels
    • 1.62V to 3.63V power supply
    • Easy pin migration to SAMD20G and SAMD20J devices

    Supported by MPLAB X IDE and MPLAB Harmony.

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