Our EFM32™ Gecko family is ideal for battery-operated applications and other systems requiring high performance and low-energy consumption. The 32-bit low-power microcontroller (MCU) family features short wake-up time from energy-saving modes and a wide selection of peripherals.

Our energy-friendly EFM32 microcontrollers (MCUs) are ideal for ultra-low power applications. Based on ARM ® Cortex ® -M0+, Cortex-M3, Cortex-M4 and Cortex-M33 cores our 32-bit MCUs extend battery life for those "hard-to-reach", power-sensitive consumer and industrial applications.

The EFM32 includes autonomous and very energy efficient peripherals, high overall chip- and analog integration, and the performance of the industry standard 32-bit ARM Cortex-M3 processor. Innovative and ultra efficient low energy modes with sub µA operation further enhance EFM32's ultra low power behaviour and makes the EFM32 microcontrollers

EFM32™ 32-bit MCU Ultra Efficient Energy Modes. With a high performance ARM® Cortex®-M processor, high code density and autonomous peripherals, the EFM32™ 32-bit microcontroller (MCU) executes application code faster than 8-, 16- and even 32-bit solutions.

Silicon Labs’ 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.

EFM32 Gecko Family EFM32G Data Sheet The EFM32 Gecko MCUs are the world’s most energy-friendly mi-crocontrollers. The EFM32G offers unmatched performance and ultra low power consumption in both active and sleep modes. EFM32G devices consume as little as 0.6 μA in Stop mode and 180 μA/MHz in Run mode.

EFM32™ PG23 32-bit Microcontrollers (MCUs) 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 .

The EFM32 MCUs are the world’s most energy friendly microcontrollers. With a unique combination of the powerful 32-bit ARM Cortex-M3, innovative low energy techniques, short wake-up time from energy saving modes, and a wide selection of peripherals, the EFM32G microcontroller is well suited for

Silicon Labs EFM32™ 32 位微控制器 (MCU) 系列是世界上最为节能的微控制器，特别适用于低功耗和能源敏感型应用，包括能源、水表和燃气表、楼宇自动化、警报及安防和便携式医疗/健身器材。

This chapter explains the basics of how to write C-code for the EFM32 and EFR32 Series 1 devices using the defines and library func-tions supplied in the [CMSIS] and [emlib] software libraries. 3.1 Address The EFM32 and EFR32 Series 1 devices consist of several different types of peripherals (CMU, RTC, ADC...). Some peripherals in the