The Silicon Labs EFM32 Pearl Gecko Microcontrollers feature a powerful 32-bit ARM Cortex-M4 Core. They offer a wide array of peripherals and in particular their unique cryptographic hardware engine supporting AES, ECC, and SHA.

With low current active mode and short wake-up times, Jade Gecko Microcontrollers are perfect for battery powered applications and other low energy systems.

Jade and Pearl Gecko Microcontroller families use the same development kit (SLSTK3401A, RS 922-4814).

Features
- ARM Cortex-M4 MCU Core running at 40 MHz
- 32 kB RAM
- Temperature Sensor
- 2 16-bit timers
- 2 comparators
- AES-128, AES-256, ECC, SHA-1 and SHA-2 cryptography
- UART
- 2 SPI
- I2C

Applications
- IoT devices and sensors
- Health and fitness trackers
- Smart accessories
- Home, industrial and factory automation and security

EFM32 Gecko Microcontrollers

Silicon Labs microcontrollers target energy sensitive applications, including smart metering, gas/energy/water metering, remote sensing, building automation, security systems, portable health/fitness equipment and smart accessories.

Powerful ARM Cortex-M 32-bit processor cores
Short wake-up time from energy saving modes
Ideal for use with energy harvesting systems