EFM32™ Zero Gecko 32-bit Microcontroller

The EFM32™ Zero Gecko is the latest addition to the Silicon Labs' Gecko portfolio of ultra low power and energy friendly 32-bit microcontrollers (MCUs).

With a unique combination of the powerful ARM® Cortex®-M0+ core, innovative low energy techniques, short wake-up time from energy saving modes and a wide selection of peripherals, the Zero Gecko is ideal for battery operated applications and other systems requiring high performance and low-energy consumption.

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Features

  • 24 MHz ARM Cortex-M0+ core
  • Up to 32 kB flash and 4 kB RAM memory
  • Up to 37 GPIO
  • Single 1.98–3.8 V power supply
  • -40° to 85 °C operation range
  • Flexible energy management system with 5 different energy modes
    • 20 nA shutoff mode (0.4 µA with RTC)
    • 0.5 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
    • 48 µA/MHz sleep mode
    • 114 µA/MHz run mode with code executed from flash
  • 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)

Getting Started with EFM32™ Zero Gecko

EFM32ZG-STK3200 Zero Gecko Starter Kit

The easiest way to begin development with the EFM32™ Zero Gecko low-cost microcontroller family is with the EFM32ZG-STK3200 Zero Gecko Starter Kit.

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Zero Gecko Product Matrix

Common Specifications

MCU Core: ARM Cortex-M0+

MHz: 24

Cap Sense: Yes

Temp Sensor: Yes

Timers (16-bit): 2

Internal Osc: ±2%

RTC: Yes

SPI: 1

I²C: 1

I²S: 1

Comparators: 1

Devices
Part Number Data Sheet Dev Kit MHz Flash (kB) RAM (kB) Dig I/O Pins 5 Volt Tolerant ADC 1 DAC USB Cap Sense LCD Temp Sensor Timers (16-bit) AES-128 AES-256 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
SLSTK3201A 24 16 4 17 No 0 Yes No Yes 2 No No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 32 4 17 No 0 Yes No Yes 2 No No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 4 2 17 No 0 Yes No Yes 2 No No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 8 2 17 No 0 Yes No Yes 2 No No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 16 4 17 No 12-bit, 2-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 32 4 17 No 12-bit, 2-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 4 2 17 No 12-bit, 2-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 8 2 17 No 12-bit, 2-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN24 5x5 ±2% SW
SLSTK3201A 24 16 4 24 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN32 6x6 ±2% SW
SLSTK3201A 24 32 4 24 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN32 6x6 ±2% SW
SLSTK3201A 24 4 2 24 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN32 6x6 ±2% SW
SLSTK3201A 24 8 2 24 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFN32 6x6 ±2% SW
SLSTK3201A 24 16 4 37 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFP48 7x7 ±2% SW
SLSTK3201A 24 32 4 37 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFP48 7x7 ±2% SW
SLSTK3201A 24 4 2 37 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFP48 7x7 ±2% SW
SLSTK3201A 24 8 2 37 No 12-bit, 4-ch., 1 Msps 0 Yes No Yes 2 Yes No No No No No 2 1 1 1 1 0 Yes 1 1.98 3.8 QFP48 7x7 ±2% SW
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