Silicon Labs' EFM32™ Leopard Gecko 32-bit microcontroller family offers up to 256 kB of flash memory with the added option of embedded USB connectivity, direct drive TFT and CPU speeds up to 48 MHz.
   
Based on the powerful ARM® Cortex®-M3 core, the Leopard 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

  • 48 MHz ARM Cortex-M3 CPU
  • Up to 256 kB flash
  • 32 kB RAM
  • Up to 93 GPIOs
  • Flexible energy management system with 5 different energy modes:
  • 20 nA shutoff mode (0.4 A with RTC)
  • 0.65 A stop mode, including power-on-reset, brown-out detector, RAM and CPU retention
  • 0.95 A deep sleep mode, including RTC with 32.768 kHz oscillator, power-on-reset, brown-out detector, RAM and CPU retention
  • 63 A/MHz sleep mode
  • 211 A/MHz run mode with code executed from flash
  • Ultra low power precision and analog peripherals:
  • 12-bit 1 Msps ADC
  • 12-bit 500 ksps DAC
  • Up to 8x36 segment LCD controller (9xx/8xx only)
  • Low power sensor interface (LESENSE):
  • Autonomous sensor monitoring in deep sleep
  • Supports wide range of sensors, including LC sensors and capacitive buttons
  • 1.983.8 V supply voltage
  • Debug interface
  • 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 WLCSP81 (4.36 mm x 4.28 mm)
  • Full Wafer Option

Leopard Gecko Resources

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