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Microcontrollers

The Industry's Lowest Power, Highest Performance MCUs

Experience Easy Migration to Wireless Connectivity

Silicon Labs MCUs

Silicon Labs’ portfolio of 8-bit and 32-bit microcontrollers (MCUs) offers device makers a one-stop solution for wired and wireless application development. With fast access to proven developer resources, our platform offers a full complement of low-power, high-speed microcontrollers, development kits, specialized example code, and advanced debugging capabilities, as well as easier migration to wireless functionality across protocols.

Our EFM32 32-bit MCU families are the world’s most energy friendly microcontrollers and especially suited for use in low-power and energy sensitive applications. Engineered for low-power and simplicity.

Explore 32-bit MCUs

Our 8-bit MCUs allow you to do more in less time, for lower power, and with lower latency by leveraging optimized analog and digital peripherals, flexible pin mapping, and high system clock speeds.

Explore 8-bit MCUs

Industry Leading 32-Bit and 8-Bit MCUs

As the proven, leading supplier for all major IoT ecosystems, Silicon Labs has deployed more than one billion wireless chips for the Internet of Things. We have the silicon, software and tools for speedy development of smart home, commercial, consumer and industrial applications.

EFM32 PG26 32-bit Microcontrollers (MCUs)

The PG26 32-bit MCU is ideal for enabling a wide range of low-power and high-performance embedded IoT applications.
More Information

EFM32 PG26 32-bit Microcontrollers (MCUs)

The EFM32PG26 32-bit microcontroller (MCU) family is a software-compatible, MCU-only version of the EFR32xG26 wireless SoC platform, namely (BG26 and MG26). PG26 32-bit MCUs are ideal for enabling a wide range of low-power and high-performance embedded IoT applications.

The highly efficient PG26 offers an 80 MHz ARM® Cortex®-M33 with LCD controller, rich analog and communication peripherals, low current consumptions, and more GPIOs to address complex systems. The PG26 is also equipped with a hardware AI/ML accelerator allowing for faster inferencing at the edge with lower power consumption.

Visit EFM32 PG26 32-bit Microcontrollers (MCUs) Family
X
Key Specs
Up to 3 MB Flash and 512 kB RAM
AI/ML Hardware Accelerator

EFM32 PG28 32-bit Microcontrollers (MCUs)

Our PG28 32-bit MCU is the first EFM32 device with a hardware AI/ML accelerator allowing for faster inferencing at the edge with low power consumption.
More Information

EFM32 PG28 32-bit Microcontrollers (MCUs)

The EFM32PG28 32-bit microcontroller (MCU) family is a software compatible MCU-only version of the EFR32xG28 wireless SoC platform (ZG28, FG28 and SG28). PG28 32-bit MCUs are ideal for enabling a wide range of low power and high-performance embedded IoT applications.

The highly efficient PG28 offers an 80 MHz ARM® Cortex®-M33, LCD controller, rich analog and communication peripherals, and more GPIOs to address complex systems. The PG28 is also the first EFM32 device with a hardware AI/ML accelerator allowing for faster inferencing at the edge with lower power consumption.

Visit EFM32 PG28 32-bit Microcontrollers (MCUs) Family
X
Key Specs
Up to 1024 kB Flash and 256 kB RAM
AI/ML Hardware Accelerator

EFM32 PG23 32-bit Microcontroller

The PG23 32-bit MCUs are ideal for enabling a wide range of ultra-low-power and high-performance embedded IoT applications.
More Information

EFM32 PG23 32-bit Microcontroller

The EFM32PG23 32-bit microcontroller (MCU) family is a software compatible MCU-only version of the award-winning EFR32xG23 wireless SoC platform, namely FG23 and ZG23. PG23 32-bit MCUs are ideal for enabling a wide range of ultra-low-power and high-performance embedded IoT applications.

The highly efficient PG23 offers a 80 MHz Cortex-M33 with rich analog and communication peripherals providing a compact, highly-integrated MCU for consumer and industrial markets.

Visit EFM32 PG23 32-bit Low Power Microcontroller Family
X
Key Specs
Sleep current with 16kB RAM
1.03 μA
Active current as low as
21 μA/MHz

EFM32 PG22 32-bit Microcontroller

The PG22 is a high-performance solution with the energy efficiency, performance, and security needed for applications with demanding size and power requirements.
More Information

EFM32 PG22 32-bit Microcontroller

The EFM32PG22 32-bit microcontroller (MCU) family is a pin and software compatible MCU-only version of the award-winning EFR32xG22 wireless SoC platform (BG22, MG22 and FG22). PG22 32-bit MCUs are ideal for enabling a wide range of ultra-low-power and high-performance embedded IoT applications.

The highly efficient PG22 offers a 76.8 MHz Cortex-M33 with rich analog and communication peripherals providing a compact, highly integrated MCU for consumer and industrial markets.

Visit EFM32 32-bit Low Power Microcontroller Family
X
Key Specs
Sleep current with 8k RAM
1.1 μA
Active current as low as
27 μA/MHz

EFM32TG11 32-bit Microcontrollers (MCUs)

The EFM32 Tiny Gecko Series 1 MCUs are the world’s most energy-friendly microcontrollers, featuring new connectivity interfaces and rich analog features.
More Information

EFM32TG11 32-bit Microcontrollers (MCUs)

Silicon Labs' EFM32TG11 ARM® Cortex®-M0+ based 32-bit microcontrollers (MCUs) offer developers highly integrated functionality for energy-efficient IoT applications. TG11 continues to build on Silicon Labs leadership in ultra-low power performance and offers new, unique features to simplify development. In addition to ultra-low current consumptions across usable energy modes, the TG11 MCUs provide sensor interfaces, integrated 8x32 segment LCD and CAN bus controllers, patented wake-on-touch Capacitive Sensing technology, robust security accelerators, and much more. Together, the intersection of energy-efficiency, performance, and easy-to-use developer tools make TG11 well suited for applications that are looking to do more, with less.

Visit EFM32TG11 32-bit Low Power Microcontroller Family
X
Key Specs
Sleep current with RTCC & RAM as low as
1.3 uA
Active current as low as
37 uA/MHz

EFM32GG11 Series 1 32-bit Microcontrollers (MCUs)

The EFM32 Giant Gecko Series 1 MCUs are the world’s most energy-friendly microcontrollers, featuring new connectivity interfaces and user interface features.
More Information

EFM32GG11 Series 1 32-bit Microcontrollers (MCUs)

The most integrated and high performance low power MCU available.

Our EFM32GG11 Series 1 ARM® Cortex®-M4-based 32-bit microcontrollers (MCUs) are the most integrated and high performance low power MCUs available and include robust security via a unique cryptographic hardware engine supporting AES, ECC, SHA, and True Random Number Generator (TRNG). New features include a PDM sensor interface, an SD/MMC/SDIO controller, Octal/ Quad-SPI memory controller, 10/100 Ethernet MAC, dual CAN bus controller, highly robust capacitive sensing, enhanced alpha blending graphics engine, and LESENSE/PCNT enhancements for smart energy meters. These features, combined with ultra-low current active mode and short wake-up time from energy-saving modes, make Giant Gecko Series 1 microcontrollers well-suited for any battery-powered application, as well as other systems requiring high performance and low-energy consumption.

Visit Best Low Power 32-bit Microcontroller - EFM32GG11 Family
X
Key Specs
Sleep Current with RTCC as low as
2.1 μA
Active current as low as
80 μA/MHz

Why Silicon Labs 32-Bit and 8-Bit MCUs are the Right Choice

Low-Power Architecture

For applications with low power requirements, our portfolio of 32-bit and 8-bit MCUs are the most energy-friendly devices available.

Feature-Density

Our highly integrated MCUs feature a full complement of high-performance, peripherals and power-management functions.

Best-in-Class Tools

Industry-leading RTOS with a free kernelIDE support for Keil, IAR, and GCCTools to optimize the development journey.

Industry Leading Security

When you want your products to withstand the most challenging cyber-security attacks, you can trust Silicon Labs’ technology to safeguard your customers’ privacy.

Scalable Platform

Our MCUs offer device makers a one-stop solution for wired and wireless application development and migration to wireless functionality across protocols.

Unified Development Environment

Simplicity Studio is designed to make the development process easier, faster, and more efficient by providing designers with everything needed from start to finish.

MCU 101: Simplicity Matters

The 8-bit MCU has been the workhorse of embedded applications for decades. In this article we take a look at the history of this remarkable device as well as its future, which shows no signs of slowing down.

Read the Article

Which MCU is Right for You?

Silicon Labs 32-bit MCUs

Power sensors, advanced features.

Learn More


Core

Cortex-M0+, M3, M4,
and M33

 

Core Frequency

Up to 80 MHz

 

Active Current

Down to 21 μA/MHz

 

Sleep Current

Down to 900 nA with RTCC and RAM

 

Wake Times

Down to 3 μs

 

ADC

Up to 16-bit SAR ADC

 

GPIOs

15 - 144

 

Flash

Up to 3200 kB

 

RAM

Up to 512 kB

Explore 32-bit MCUs

Silicon Labs 8-bit MCUs

All the essentials, light on price.

Learn More


Core

Optimized 8051 (70% of the instructions executed in 1 cycle)

 

Core Frequency

Up to 72 MHz

 

Active Current

Down to 150 μA/MHz

 

Sleep Current

Down to 300 nA with RTC

 

Wake Times

Down to 2 μs

 

ADC

Up to 14-bit SAR ADC

 

GPIOs

13 - 40

 

Flash

Up to 64 kB

 

RAM

Up to 4 kB

Explore 8-bit MCUs

Featured MCU Kits

EFM32PG26 Pro Kit

The PG26 Pro Kit is an ideal starting point for application development on the EFM32PG26 Microcontrollers. The board features sensors and peripherals, demonstrating some of the many capabilities of the EFM32PG26 Microcontroller. Additionally, the board is a fully featured debugger and energy monitoring tool that can be used with external applications.

Learn More

EFM32PG26 Explorer Kit

The PG26 Explorer Kit is a small form factor development and evaluation platform based on the EFM32PG26 MCU. The Explorer Kit is focused on rapid prototyping and concept creating of loT applications.

Learn More

EFM32PG28 Pro Kit

The PG28-PK2506A Pro Kit is an ideal starting point for application development on the EFM32PG28 Microcontrollers. The board features sensors and peripherals, demonstrating some of the many capabilities of the EFM32PG28 Microcontroller. Additionally, the board is a fully featured debugger and energy monitoring tool that can be used with external applications.

Learn More

EFM8BB1 Low Cost 8-bit MCU Explorer Kit

EFM8BB1 Low-Cost 8-bit MCU Explorer Kit is an easy-to-use yet powerful development starting point. It contains an integrated debugger and a simple USB micro connection to allow rapid prototyping.

Learn More
View All MCU Kits and Boards

Featured Microcontroller Resources

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MCU Selector Guide for IoT
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Also of Interest:
  • 8-Bit Microcontrollers
  • EFM32™ Giant Gecko 32-bit Microcontroller
  • 32-bit Microcontrollers

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