EFM32™ Tiny Gecko 32-bit Microcontroller

 Our energy-efficient EFM32™ Tiny Gecko microcontrollers (MCUs) offer low-power benefits such as brown-out, full RAM, and register retention. Available in packages as small as 4x4 mm, our Tiny Gecko 32-bit MCUs consume as little as 150 μA/MHz in run mode, and as little as 1 μA with a real-time counter running, making them ideal for energy-sensitive applications. Featuring the industry-standard ARM®Cortex®-M3 processor, the Tiny Gecko MCU family provides autonomous and energy-efficient peripherals and high overall chip and analog integration.

Sleep current with RTC as low as
1.0 μA
Active current as low as
150 μA/MHz

Tiny Gecko Common Specs

  • ARM Cortex-M3 CPU platform
  • 32 MHz
  • Up to 32 kB Flash
  • Up to 4 kB RAM
  • 150 μA/MHz in Active Mode (EM0)
  • 1.0 μA sleep with RTC and RAM retention
  • Autonomous peripherals in sleep
  • DMA and peripheral reflex system
  • LESENSE
  • USART, I²C, SPI, and USB
  • Up to 56 General Purpose I/O Pins
  • Segment LCD controller up to 8x20 segments
  • -40 °C to +85 °C operation range
  • 1.98 V to 3.8 V single power supply
  • Packages:
    • 24-pin QFN (5 mm x 5 mm)
    • 32-pin QFN (6 mm x 6 mm)
    • 48-pin QFP (7 mm x 7 mm)
    • 48-pin BGA (4 mm x 4 mm)
    • 64-pin QFN (9 mm x 9 mm)
    • 64-pin QFP (10 mm x 10 mm)

Status

Find the Right Tiny Gecko Device Select Columns
Select Columns
Part Number MHz Flash RAM Dig I/O Pins 5 Volt Tolerant ADC 1 DAC USB Cap Sense LCD Temp Sensor Timers (16-bit) ECC SHA-1 SHA-2 RSA-2048 UART USART SPI I2C I2S EMIF RTC Comparators Vdd (min) Vdd (max) Package Type Package Size (mm) Internal Osc. Debug Interface Cryptography

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