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32-bit Low-Power PIC® and SAM Microcontrollers

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Reduce Power Consumption in High-Performance Designs

Finding the right balance of power consumption and performance can be challenging when it comes to selecting a microcontroller (MCU) for power-constrained designs that also require a high level of functionality. Our broad range of ultra-low-power and low-power 32-bit MCUs offers flexible power-saving techniques along with advanced features and performance levels that can meet your design’s specific requirements. Devices range from the smallest SAM D Arm® Cortex®-M0+ based MCUs, to the ultra-low-power PIC32C Arm Cortex-M23 and SAM L Arm Cortex-M0+ based MCUs, to higher-performing SAM Arm Cortex-M4F based MCUs and the PIC32MX family of eXtreme Low Power (XLP) MCUs. They are excellent options for reducing power consumption in many applications including the Internet of Things (IoT), consumer, industrial, medical and other battery-powered devices.

Benefits of Ultra-Low Power PIC® and SAM MCUs

Low-Power Sleep Modes and Operating Voltage

  • Active mode current down to 25 μA/MHz
  • Deep sleep current down to 100 nA
  • SRAM retention (40 KB) down to ~1 μA
  • 1.2 μs wake-up time from idle state
  • Fully operational down to 1.62V while still maintaining all functionality, including analog functions
  • Highest certified ULPMark™ score for any Arm Cortex-M23 or Arm Cortex- M0+ class device; SAM L11 MCU achieved ULPMark score of 410

Flexible and Advanced Peripherals

  • Event System for CPU-independent, inter-peripheral communication offloads and minimizes CPU active time
  • Sleepwalking with dynamic power gating allows MCU to be put into deep sleep and wake up only upon a pre-qualified event
  • Secure subsystem and Arm TrustZone® technology to protect low-power applications from physical and remote attacks
  • Low-power SERCOM and timer counters
  • Enhanced Peripheral Touch Controller (PTC) offers 4 μA standby with multi-button wake on touch and is highly responsive with superior water tolerance and excellent noise immunity

Technology and Innovation

  • eXtreme Low Power (XLP) and picoPower technologies
  • On-the-fly user-selectable performance levels
  • Automatic voltage regulator switching with multiple operating modes
  • Multiple power domains with automatic power domain gating
  • Automatic low-power SRAM switching with optional disable
  • Low-power battery backup mode

Large Portfolio and Efficient Performance Across Voltage Range

  • 14–128 pins
  • 8 KB–1 MB Flash
  • 25 MHz, 32 MHZ, 48 MHz, 96 MHz and 120 MHz performance levels
  • SAM and PIC32 family derivatives
  • 1.62V–3.6V operating voltage
  • Wide selection of packages
  • 1.93 × 2.43 mm WLCSP

32-bit Low-Power MCU Product Specifications

Product Performance Memory Active Sleep
 Wake-Up
Time
 Back Up/
Deep
Sleep		 VIN Features
PIC32CM LE00 Arm® Cortex®-M23 Core
48 MHz		 256–512 KB Flash,
32–64 KB SRAM		 54 uA/MHz 1.1 uA 1.5 uS 100 nA 1.62–3.6 picoPower®
Event System
SleepWalking
PIC32CM LS00 Arm Cortex-M23 Core
48 MHz		 256–512 KB Flash
32–64 KB SRAM		 54 uA/MHz 1.1 uA 1.5 uS 100 nA 1.62–3.6 picoPower
Advanced Security
Event System

SleepWalking
PIC32CM LS60 Arm Cortex-M23 Core
48 MHz		 512 KB Flash
64 KB SRAM		 54 uA/MHz 1.1 uA 1.5 uS 100 nA 2.0–3.6 picoPower
Advanced Security with ECC608
Event System
SleepWalking
SAM L10 Arm Cortex-M23 Core
32 MHz		 16–64 KB Flash
4–16 KB SRAM		 25 μA/MHz 0.5 μA 1.5 μs 100 nA 1.62–3.6 picoPower
Event System
SleepWalking
SAM L11 Arm Cortex-M23 Core
32 MHz		 16–64 KB Flash
8–16 KB SRAM		 25 μA/MHz 0.5 μA 1.5 μs 100 nA 1.62–3.6 Advanced Security
picoPower
Event System
SleepWalking
SAM L21/22 Arm Cortex-M0+ Core
48/32 MHz		 32–256 KB Flash
4–32 KB SRAM		 35 μA/MHz 0.9 μA 1.2 μs 200 nA 1.62–3.6 picoPower
Event System
Sleep Walking
SAM D5x Arm Cortex-M4F Core
120 MHz		 Up to 1 MB Flash
256 KB SRAM		 65 μA/MHz 10 μA 5 μs 3 µA 1.71–3.6 Event System
Sleep Walking
SAM E5x Arm Cortex-M4F Core
120 MHz		 Up to 1 MB Flash
256 KB SRAM		 65 μA/MHz 10 μA 5 μs 3 µA 1.71–3.6 Event System,
Sleep Walking
SAM D1/2x Arm Cortex-M0+ Core
48 MHz		 8–256 KB Flash
2–32 KB SRAM		 70 μA/MHz 3.5 μA 4 μs No back up mode 1.62–3.6 Event System,
Sleep Walking
SAM 4L Arm Cortex-M4 Core
48 MHz		 128–512 KB Flash
32–64 KB SRAM		 90 μA/MHz 1.5 μA/td> 1.5 μs 500 nA 1.68–3.6 picoPower
Event System,
Sleep Walking
SAM G5x Arm Cortex-M4F Core
48/96/120 MHz		 256–512 KB Flash
64–176 KB SRAM
picoPower		 100 μA/MHz 7 μA 3 μs 1 µA 1.62–3.6 Event System,
Sleep Walking
PIC32MX XLP MIPS32® M4K® Core
72 MHz		 128–256 KB Flash
32–64 KB RAM		 250 μA/MHz 13 μA – 673 nA 2.5–3.6 XLP
PIC32MM XLP MIPS32 microAptiv™ Core
25 MHz		 64–256 KB ECC Flash
8–32 KB SRAM		 280 μA/MHz 5 μA – 650 nA 2.0–3.6 XLP

Note: Power consumption numbers for PIC32CM LS60 doesn’t include ECC608 power consumption

New/Popular 32-bit Low-Power MCUs Products

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32-bit Low-Power MCU Hardware Development Tools

These 32-bit low-power MCU development boards make it easy to get started with your application. Click on the 32-bit MCU Development Tools button to see a complete list of development tools for our 32-bit MCUs.

32-bit MCUs Development Tools

32-bit Low-Power MCU Hardware Development Tools

PIC32CM LE00 Curiosity Pro Evaluation Kit

Part Number: EV80P12A

The PIC32CM LE00 Curiosity Pro kit is ideal for evaluating and prototyping with the ultra-low power PIC32CM LE00 Arm® Cortex®-M23-based MCUs.

It contains an Arduino® Uno connector, mikroBUS socket and extension headers to expand the development of your design.

PIC32CM LS00 Curiosity Pro Evaluation Kit

Part Number: EV12U44A

The PIC32CM LS00 Curiosity Pro kit is ideal for evaluating and prototyping with the secure and ultra-low power PIC32CM LS00 Arm® Cortex-M23-based MCUs and it comes with various security features including secure boot and Arm TrustZone® technology.

It contains an Arduino Uno connector, mikroBUS socket and extension headers to expand the development of your design.

PIC32CM LS60 Curiosity Pro Evaluation Kit

Part Number: EV76R77A

The PIC32CM LS60 Curiosity Pro kit is ideal for evaluating and prototyping with the secure and ultra-low power PIC32CM LS60 Arm® Cortex-M23-based MCUs. The MCU integrates the Trust Platform ECC608 secure element and Arm TrustZone technology in one package

It contains an Arduino Uno connector, mikroBUS socket and extension headers to expand the development of your design.

SAM L22 Xplained Pro Evaluation Kit

Part Number: ATSAML22-XPRO-B

This kit is ideal for evaluating the ultra-low power SAM L22 Arm Cortex-M0+ based MCU and comes with a touch segment LCD.

SAM E54 Xplained Pro

Part Number: ATSAME54-XPRO

This kit is ideal for evaluating and prototyping with the ultra-low power SAM D5x and SAM E54 Arm Cortex-M4F based MCUs. The board includes embedded current measurement circuitry, with Data Visualizer support for data visualization and power measurement.

SAM4L-EK Development System

Part Number: ATSAM4L-EK

This kit is ideal for evaluating and prototyping with the SAM 4L Arm Cortex-M4 processor-based MCUs. The board features an embedded debugger, dedicated circuitry to measure the power consumption of your application, LCD, USB, capacitive touch functionality and much more. 

SAM D21 Xplained Pro Evaluation Kit

Part Number: ATSAMD21-XPRO

This kit is ideal for evaluating and prototyping with the low-power, high-performance SAM D21 Arm Cortex-M0+ based Flash MCUs.

SAM G55 Xplained Pro Evaluation Kit

Part Number: ATSAMG55-XPRO

This kit is ideal for evaluating and prototyping with the SAM G55 Arm Cortex-M4 based MCUs.

PIC32MX274 XLP Starter Kit

Part Number: DM320105

This fully integrated 32-bit development platform features the high-performance PIC32MX274 series of MCUs. Software compatible with existing PIC32MX class devices, the PIC32MX274 offers an increase in performance at almost half of the run current, enabling longer-lasting, more feature-rich battery applications.

PIC32MM Curiosity Development Board

Part Number: DM320101

This board features the PIC32MM “GPL” XLP family of low-cost MCUs. It is a simple and easy-to-use platform that facilitates quick PIC32MM evaluation, experimentation and application prototyping.

PIC32MM USB Curiosity Development Board

Part Number: DM320107

This board features the PIC32MM “GPM” XLP family of low-cost microcontrollers. It is a simple and easy-to-use platform that facilitates quick PIC32MM GPM evaluation, experimentation and application prototyping.

Power Debugger

Part Number: ATPOWERDEBUGGER

This is a powerful development tool for debugging and programming AVR® MCUs using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and Arm Cortex-M based SAM MCUs using JTAG or SWD target interfaces. The Power Debugger streams power measurements and application debug data to the Data Visualizer for real-time analysis.

Ultra Low-Power Connected Demonstrator, featuring SAM L21 and BTLC1000

Part Number: ULPC-DEMO

This tool demonstrates the low-power Arm Cortex-M0+based SAM L21 for wearable applications. It includes the small-sized, fully certified BTLC100 Bluetooth® module and several sensors and uses an Android™ app to display environmental, motion and sensor fusion.

SAM L10 Xplained Pro Evaluation Kit

Part Number: DM320204

The SAM L10 Xplained Pro Evaluation Kit is ideal for evaluating and prototyping with the ultra-low power SAM L10 Arm® Cortex®-M23 based MCUs. The kit is supported with various demo examples to help you get started and features a mikroBUS™ socket and Xplained Pro extension headers to expand your development with MikroElektronika Click boards™ and Xplained Pro extension kits.

SAM L11 Xplained Pro Evaluation Kit

Part Number: DM320205

The SAM L11 Xplained Pro Evaluation Kit is ideal for evaluating and prototyping with the ultra-low power SAM L11 Arm Cortex-M23 based MCUs featuring chip-level security and Arm TrustZone® technology. The kit is supported with various demo examples to help you get started and features a mikroBUS socket and Xplained Pro extension headers to expand your development with MikroElektronika Click boards and Xplained Pro extension kits.

SAM L21 Xplained Pro Evaluation Kit

Part Number: ATSAML21-XPRO-B

This kit is ideal for evaluating and prototyping with the ultra-low power SAM L21 Arm Cortex-M0+ based MCUs. The board includes embedded current measurement circuitry, with Data Visualizer support for data visualization and power measurement.

32-bit Software Development Tools

MPLAB® X IDE

MPLAB® X IDE support all PIC® MCUs and dsPIC® DSCs. It provides a single integrated environment to develop code for embedded microcontrollers. It includes a library of Microchip-validated code examples to get started right away and integrates the MPLAB XC32 compiler while featuring "One Click" Make, Program, Debug/Execute operation.

MPLAB Xpress Cloud-Based IDE

MPLAB Xpress is an online development environment that contains the most popular features of our award-winning MPLAB X IDE. It is a perfect starting point for new users of PIC microcontrollers with no downloads no machine configuration, and no waiting to get started. Join the MPLAB Xpress Community to share code, ideas, and knowledge. 

MPLAB® Code Configurator

MPLAB Code Configurator is a free graphical programming environment that generates seamless, easy to understand C code. Using an intuitive interface it enables and configures a rich set of peripherals and functions. It minimizes reliance upon the product data sheet and reduces overall design effort and time while accelerating generation of production-ready code.

MPLAB® XC Compilers

MPLAB XC32 provides a comprehensive solution for a project’s development software needs and comes in different optimization levels. It integrates with MPLAB X IDE to provide a full graphical front end. It can edit errors and create breakpoints to match the corresponding lines in source code.

Microchip Studio

Microchip Studio is the integrated development platform (IDP) for developing and debugging all AVR® and SAM microcontroller applications. Microchip Studio gives you a seamless and easy-to-use environment to write, build and debug your applications written in C/C++ or assembly code. It also connects seamlessly to the debuggers, programmers and development kits that support AVR and SAM devices.

Data Visualizer

The Data Visualizer is a program to process and visualize data. The Data Visualizer is capable of receiving data from various sources such as the Embedded Debugger Data Gateway Interface (DGI) and COM ports. Track your application's run-time using a terminal graph or oscilloscope, or analyze the power consumption of your application through correlation of code execution and power consumption, when used together with a supported probe or board. Having full control of your code's run-time behavior has never been easier.

Battery Life Estimator

Battery Life Estimator is a free software utility to aid you in developing low-power applications with Our low-power microcontrollers. The tool estimates average current consumption and battery life. The utility allows you to select the target device, battery type, the application’s operating conditions, such as voltage and temperature, and model the active and power-down times for your applications.

Documentation

Title
PIC32CM LE00/LS00/LS60 Low-Power Features Download
AN_42750 - AT14973: SAM L21 Wearable Demo Reference Design User Guide Download
AN_42160 - AT03498: Low Power Modes in SAM3 Family Download
AN_32093 - AVR32739: Low power software design using 32-bit AVR UC3 Download
AN_42056 - AVR3005: Low Power QTouch Design Download
AN_32136 - AVR32917: Getting started with the picoPower Board Download
AN_42142 - AT03258: Using Low Power Modes in SAM4E Microcontroller Download
AN_42501 - AT11489: Low Power Techniques for SMART ARM MCUs Download
AN_42204 - AT03289: SAM4L Low Power Design with FreeRTOS Download
AN_42320 - AT04113: How to implement SleepWalking on an ARM Cortex-M4 MCU Application: Step-by-step Project Building Guide Download
AN_42263 - AT07146: Low Power Design Consideration in Thermostat with SAM4L Download
AN_42154 - AT03782: Using Low Power Modes in SAM4N Microcontroller Download
Low-Power Touch Design Download
AN_42471 - AT12705: SAM L21 ADC Sampling using Low-Power Features Download
AN_42494 - AT09886: SAM L22 Getting Started Guide Download
AN2709 - Low Power Features of SAM L Series Devices Download
AN_42400 - AT03976: SAM L21 OPAMP as ADC Gain Amplifier Download
AN_42410 - AT03975: Getting Started with SAM L21 Download
AN_42551 - AT13886: SAM L22 System Clock Management (SYSTEM CLOCK) Driver Download
Title
32-bit MCU Low Power Sell Sheet Download
Title
Ultra-Low Power Techniques Tech Brief Download

Microchip Minutes SAM MCU Edition - Episode 1- Low Power Overview

Microchip Minutes SAM MCU Edition - Episode 1- Low Power Overview

Microchip Minutes SAM MCU Edition - Episode 1- Low Power Overview

Introduction to SAM MCU Low Power including low power technology such as Sleep Modes, Power Domains, the Event System, Sleep Walking, and the Peripheral Touch Controller.

For More Information:
https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/32-bit-mcus

 

PIC32MM Family of MCUs

PIC32MM Family of MCUs

Details on Microchips PIC32MM family of low cost and low power microcontrollers.

https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/32-bit-mcus/pic32-32-bit-mcus/pic32mm