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. Based on the powerful ARM® Cortex®-M3 core, the Gecko MCU family includes 25 devices that offer flash memory configurations up to 128 kB, 8–16 kB of RAM and CPU speeds up to 32 MHz.
Feature
ARM Cortex-M3 CPU platform
32 MHz
Up to 128 Flash
Up to 16 kB RAM
180 μA/MHz in Active Mode (EM0)
0.9 μA sleep with RTC and RAM retention
Autonomous peripherals in sleep
DMA and peripheral reflex system
LESENSE
USART, I2C, and SPI
Up to 90 General Purpose I/O Pins
-40 °C to +85 °C temperature grade
1.98 V to 3.8 V single power supply
Packages:
32-pin QFN (6 mm x 6 mm)
48-pin QFP (7 mm x 7 mm)
64-pin QFN (9 mm x 9 mm)
64-pin QFP (10 mm x 10 mm)
100-pin QFP (14 mm x 14 mm)
112-pin BGA (10 mm x 10 mm)
32-pin QFN (6 mm x 6 mm)
48-pin QFP (7 mm x 7 mm)
64-pin QFN (9 mm x 9 mm)
64-pin QFP (10 mm x 10 mm)
100-pin QFP (14 mm x 14 mm)
112-pin BGA (10 mm x 10 mm)
Catalogue
FPGA / CPLD
Memory
MOS 
MCU 
DSP
OCEP
Secondary 
Other 
