Features
  • 48 MHz ARM Cortex-M4 CPU
    • DSP instruction support and floating-point unit
    • Memory Protection Unit (MPU)
    • Wake-up interrupt controller
  • Up to 256 kB flash
  • 32 kB RAM
  • External bus interface supports up to 4x256 MB of external memory mapped space
  • Ultra-low power precision and analog peripherals
    • 12-bit 1 Msps ADC
    • 12-bit 500 ksps DAC
  • Up to 8x36 segment LCD controller (8xx/9xx only)
  • Flexible energy management system with 5 different energy modes
    • 20 nA shutoff mode (0.4 µA with RTC)
    • 0.65 µA stop mode, including power-on-reset, brown-out detector, RAM and CPU retention
    • 0.95 µA deep sleep mode, including RTC with 32.768 kHz oscillator, power-on-reset, brown-out detector, RAM and CPU retention
    • 63 µA/MHz sleep mode
    • 225 µA/MHz run mode with code executed from flash
  • Low power sensor interface
  • USB with host and OTG support
    • USB 2.0-compliant
    • On-chip PHY and embedded 5 V to 3.3 V regulator
  • Up to 93 GPIOs
  • 1.98–3.8 V supply voltage
  • Temperature range: –40 to +85 °C
  • Packages:
    • 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)
    • 120-pin BGA (7 mm x 7 mm)
    • 81-pin WLCSP (4.36 mm x 4.28 mm)
    • Full Wafer Option

Getting Started with EFM32™ Wonder Gecko

EFM32WG-STK3800 Starter Kit

The easiest way to begin development with the EFM32™ Wonder Gecko low-cost microcontroller family is with the EFM32WG-STK3800 Starter Kit.

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Wonder Gecko Product Matrix


Common Specifications
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