EFM32™ Happy Gecko MCU

By Silicon Labs 407

EFM32™ Happy Gecko MCU

Silicon Labs' USB-enabled EFM32™ Happy Gecko 32-bit microcontroller family delivers the lowest USB power drain in the industry, enabling longer battery life and energy harvesting applications and offering up to 64 kB of flash memory with the added option of embedded USB connectivity and CPU speeds up to 25 MHz. Based on the powerful ARM® Cortex®-M0+ core, the Happy Gecko family features innovative low energy techniques, short wake-up time from energy saving modes, and a wide selection of peripherals, making it ideal for battery operated applications and other systems requiring high performance and low energy consumption.

Features
  • 24 MHz ARM Cortex-M0+ CPU
  • Up to 64 kB Flash
  • Up to 8 kB RAM
  • Up to 35 GPIOs
  • Ultra-low-power precision and analog peripherals
    • 12-bit 1 Msps ADC
  • Autonomous sensor monitoring in deep sleep
  • Supports a wide range of sensors, including LC sensors and capacitive buttons
  • Debug interface
  • 1.98 V to 3.8 V supply voltage
  • Temperature range: -40 to 85 °C
  • Packages:
    • 48-pin QFP (7 mm x 7 mm)
    • 32-pin QFN (6 mm x 6 mm)
    • 24-pin QFN (5 mm x 5 mm)
    • 36-pin CSP (3 mm x 3 mm)
  • Flexible energy management system with 5 different energy modes
    • 20 nA shutoff mode (0.5 µA with RTC)
    • 0.6 µA stop mode, including power-on-reset, brown-out detector, RAM and CPU retention
    • 0.9 µA deep sleep mode, including RTC with 32.768 kHz oscillator, power-on-reset, brown-out detector, RAM and CPU retention
    • 53 µA/MHz sleep mode
    • 131 µA/MHz run mode with code executed from Flash

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