Bringing AVR Ease-of-Use to Cortex M0+ Microcontrollers


The new Atmel® SAM D20 family—based on the ARM® Cortex®- M0+ core—builds on decades of innovation and experience in embedded Flash microcontroller (MCU) technology. It not only sets a new benchmark for flexibility and ease-of-use but also combines the performance and energy efficiency of the ARM® Cortex®-M0+ core with an optimized architecture and peripheral set. This truly differentiated general-purpose MCU family is ideal for many low-power, cost-sensitive industrial and consumer applications.


Key Features

High Performance

High Performance

  • 48MHz operation
  • 2.14 Coremark/MHz
  • Single-cycle IO access, supporting a pin toggling frequency up to 24 MHz
  • Eight-channel event system
Rich Peripheral Set

Rich Peripheral Set

  • Up to six serial communication modules (SERCOM) configurable as
  • Up to eight 16-bit Timer/Counters
  • Peripheral touch controller (PTC) that supports up to 256 channels and
    supports buttons, sliders, wheels, and proximity
  • Real Time Clock (RTC) and calendar with leap year correction
  • 12-bit 350ksps ADC and 10-bit DAC

SAM D20 SERCOM Introduction

Low Power

Low Power

  • <70µA/MHz
  • <2µA RAM retention and RTC
  • Options between internal and external oscillators and on-the-fly clock switching
Free software tools from Atmel
Free software tools from Atmel,

including Atmel Studio and Atmel Software Framework (ASF).

SAM D20 ASF Introduction

Building on the Broadest MCU Portfolio

Building on the Market’s Broadest MCU Portfolio

What do coffee makers, smartphones, automotive navigation systems, metering equipment, medical devices and portable multimedia players have in common? These are just a few of the many types of products powered by Atmel MCUs. With more than two decades of industry leadership and innovation, Atmel ranks as one of the world’s largest suppliers of MCUs. These comprise the broadest portfolio of low-end, mid-range and high-end solutions based on two of the world’s most popular 8- and 32-bit MCU architectures—Atmel AVR® and ARM.