SAM Arm® Cortex® M0+ MCU Family Overview
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SAM D Series

General Purpose MCU

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

The SAM D5x Series MCU is based on the Arm® Cortex® M4F CPU Core.

SAM D09

The smallest member of the SAM D family in terms of memory, pin count, and features. Compatible with the SAM D10, SAM D11, SAM D20, and SAM D21.

SAM D10

Feature upgrade from the SAM D09 with additional serial interfaces, timers, Analog Comparator, DAC, and Peripheral Touch Controller.

SAM D11

Compatible with the SAM D10, SAM D20, and SAM D21. Includes Full Speed USB not available on the SAM D10.

SAM D20

Offers a rich set of peripherals, flexibility, and ease-of-use with low power consumption.

SAM D21

Upwards compatible from the SAM D20 and adds features such as Full Speed USB, DMA, high-end timers/counters.

SAM DA1

Automotive qualified microcontrollers, embedding Peripheral Touch Controller (PTC) enabling efficient Button/Slider/Wheel and Proximity detection solutions for automotive HMI applications.


SAM L Series

Ultra-Low-Power MCUs

The Microchip SAM L family of microcontrollers (MCUs) delivers power consumption down to 35 µA/MHz in active mode and 200 nA in sleep mode. In addition to ultra-low-power performance, these new 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. With the Internet of Things (IoT) market predicted to grow to billion devices by 2020, designers increasingly need lower-power MCUs that will enable these applications—without adding load to utility grids or requiring frequent battery changes. The new ultra-low-power SAM L is specifically designed to power these applications, expanding battery life from years to decades.

SAM L21

Upwards compatible from the Microchip SAM D family of general-purpose MCUs and adds features like ultra-low power consumption of 35 µA/MHz in active mode with a ULPBench score of 185.8, AES, true random number generator, and opAmps.

SAM L22

Compatible with the SAM L21, additional features include Segment LCD (SLCD) controller to address up to 320 segments, tamper detection, and smart card interface, in addition to an ultra-low power consumption of 39 µA/MHz running EEMBC Coremark.


SAM C Series

5V Cortex-M0+ for Appliances and Industrial Control

The Microchip SAM C Arm® Cortex®-M0+ based microcontroller (MCU) series builds on decades of innovation and experience in embedded Flash microcontroller technology. It not only sets a new benchmark for flexibility and ease-of-use but also combines the performance and energy efficiency of an ARM Cortex-M0+ based MCU with an optimized architecture and peripheral set. SAM C devices are truly differentiated 5 V microcontrollers that are ideal for home appliances, industrial control, and other 5 V applications.

SAM C20

Offers a rich set of peripherals, flexibility, and ease-of-use with 5V operating voltage.

SAM C21

Upwards compatible from the SAM C20 and adds features such as Controller Area Network (CAN) interface, RS-485, temperature sensor, divide and square root accelerator, DAC, and 16-bit Sigma Delta ADC.


Microchip 32-bit Selector Guide

Click on the Quick Reference Guide image to gain insights into the versatile set of peripherals, primary characteristics, and easy migration path for each SAM device family member.

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