EFM32 Gecko Microcontroller Family

EFM32 Gecko

Accelerate your migration to energy friendly, industry standard 32-bit MCUs!

New and existing embedded applications can now migrate from legacy solutions to industry standard, ultra low-power microcontrollers using the 32-bit Gecko family. All EFM32G microcontrollers have the following low energy features:

  • 32-bit ARM Cortex-M3 running up to 32 MHz
    • 1.25 DMIPS/MHz
    • Superior Math Capability
    • Memory Protection Unit (MPU)
  • Single 1.8 to 3.8 volt power supply
  • -40° to 85°C operation range
  • Up to 128 KB Flash and 16 KB RAM memory
  • Up to 90 GPIO with 20 mA drive strength
  • 16 External Interrupts
  • External Bus Interface (EBI)
  • Direct memory accessController (DMA)
  • Peripheral Reflex System for autonomous operation
  • Hardware AES with 128/256-bit encryption and decryption
  • Integrated high and low frequency oscillators
  • USARTs with UART and SPI modes up 16 Mbit/s
  • Low Energy UART with 100 nA receive mode
  • 16-bit Timer/Counters with Compare/Capture
  • Low Energy TIMER with optional pulse outputs
  • Flexible 24-bit Real Time Counter
  • Pulse Counter
  • Configurable LCD Controller driving up to 4x40 segments
  • 12-bit ADC, 1 Msamples/s, 8 channels
  • 12-bit DAC, 500 ksamples/s, 2 channels
  • Analog Comparators with 8 input mux and capacitive sensing capability
  • On-chip Power-on Reset and Brown-out Detector

25 devices are available in the EFM32 Gecko Microcontroller family


Part Number Flash (KB) RAM (KB) LCD ADC AES GPIO Package Availability
EFM32G890F128 128 16 4x40 Y Y 90 BGA112 Feb/2010
EFM32G890F64 64 16 4x40 Y Y 90 BGA112 Feb/2010
EFM32G890F32 32 8 4x40 Y Y 90 BGA112 Feb/2010
EFM32G880F128 128 16 4x40 Y Y 86 QFP100 Mar/2010
EFM32G880F64 64 16 4x40 Y Y 86 QFP100 Mar/2010
EFM32G880F32 32 8 4x40 Y Y 86 QFP100 Mar/2010
EFM32G842F128 128 16 4x24 Y Y 53 QFP64 Jul/2011
EFM32G842F64 64 16 4x24 Y Y 53 QFP64 Jul/2011
EFM32G842F32 32 8 4x24 Y Y 53 QFP64 Jul/2011
EFM32G840F128 128 16 4x24 Y Y 56 QFN64 Feb/2010
EFM32G840F64 64 16 4x24 Y Y 56 QFN64 Feb/2010
EFM32G840F32 32 8 4x24 Y Y 56 QFN64 Feb/2010
EFM32G290F128 128 16 Y Y 90 BGA112 Feb/2010
EFM32G290F64 64 16 Y Y 90 BGA112 Feb/2010
EFM32G290F32 32 8 Y Y 90 BGA112 Feb/2010
EFM32G280F128 128 16 Y Y 86 QFP100 Mar/2010
EFM32G280F64 64 16 Y Y 86 QFP100 Mar/2010
EFM32G280F32 32 8 Y Y 86 QFP100 Mar/2010
EFM32G232F128 128 16 Y Y 53 QFP64 Jul/2011
EFM32G232F64 64 16 Y Y 53 QFP64 Jul/2011
EFM32G232F32 32 8 Y Y 53 QFP64 Jul/2011
EFM32G230F128 128 16 Y Y 56 QFN64 Feb/2010
EFM32G230F64 64 16 Y Y 56 QFN64 Feb/2010
EFM32G230F32 32 8 Y Y 56 QFN64 Feb/2010
EFM32G222F128 128 16 Y Y 37 QFP48 April/2011
EFM32G222F64 64 16 Y Y 37 QFP48 April/2011
EFM32G222F32 32 8 Y Y 37 QFP48 April/2011
EFM32G210F128 128 16 Y Y 24 QFN32 Mar/2010
EFM32G200F64 64 16 Y 24 QFN32 Mar/2010
EFM32G200F32 32 8 Y 24 QFN32 Mar/2010
EFM32G200F16 16 8 Y 24 QFN32 Mar/2010

Find out more on the low-power EFM32 Gecko microcontrollers:
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