EFM32™ Gecko 32-bit Microcontroller

The Silicon Labs EFM32™ Gecko family is ideal for battery operated applications and other systems requiring high performance and low-energy consumption. The 32-bit MCU family features short wake-up time from energy saving modes and a wide selection of peripherals. Based on the powerful ARM® Cortex®-M3 core, the Gecko MCU family includes 25 devices that offer flash memory configurations up to 128 kB, 8–16 kB of RAM and CPU speeds up to 32 MHz.    

Features

  • 32 MHz ARM Cortex-M3 CPU
    • 1.25 DMIPS/MHz
    • Superior math capability
    • Memory Protection Unit (MPU)
  • Up to 128 kB flash and 16 kB RAM memory
  • Up to 90 GPIO with 20 mA drive strength
  • Flexible energy management system with 5 different energy modes
    • 20 nA shutoff mode (0.4 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
    • 45 µA/MHz sleep mode
    • 180 µA/MHz run mode with code executed from flash
  • Hardware AES with 128/256-bit encryption and decryption
  • Peripheral Reflex System for autonomous operation
  • Ultra low power precidion and analog peripherals
    • 12-bit 1 Msps ADC
    • 12-bit 500 ksps DAC
  • Configurable LCD Controller driving up to 4x40 segments
  • 16 external interrupts
  • External Bus Interface
  • Direct Memory Access (DMA) Controller
  • Integrated high and low frequency oscillators
  • USARTs with UART and SPI modes up to 16 Mbps
  • Low Energy UART with 100 nA receive mode
  • 16-bit timer/counters with compare/capture
  • Low Energy TIMER with optional pulse outputs
  • Flexible 24-bit real time counter
  • Pulse counter
  • Analog comparators with 8 input MUX and capacitive sensing capability
  • On-chip power-on reset and brown-out detector
  • 1.98–3.8 V supply voltage
  • Temperature range: –40 to +85 °C
  • Packages:
    • 32-pin QFN (6 mm x 6 mm)
    • 48-pin QFP (7 mm x 7 mm)
    • 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)
    • Full Wafer Option

Get Started with the EFM32™ Gecko

EFM32-G8XX-STK Starter Kit

The easiest way to begin development with the EFM32™ Gecko low-cost microcontroller family is with the EFM32-G8XX-STK Starter Kit

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Gecko Product Matrix

Common Specifications

MCU Core: ARM Cortex-M3

Speed (MHz): 32

Cap Sense: Yes

Temp Sensor: Yes

Timers (16-bit): 2

I2C: 1

SPI: 2

Comparators: 2

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 Cryptography
EFM32-G8xx-STK 32 16 8 24 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 2 No No No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFN32 6x6 ±2% SW
EFM32-G8xx-STK 32 32 8 24 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 2 No No No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFN32 6x6 ±2% SW
EFM32-G8xx-STK 32 64 16 24 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 2 No No No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFN32 6x6 ±2% SW
EFM32-G8xx-STK 32 128 16 24 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 2 Yes Yes No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFN32 6x6 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 37 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 3 Yes Yes No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFP48 7x7 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 37 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 3 Yes Yes No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFP48 7x7 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 37 No 12-bit, 4-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 3 Yes Yes No No No No 0 2 2 1 0 0 Yes 2 1.98 3.8 QFP48 7x7 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 56 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFN64 9x9 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 56 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFN64 9x9 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 56 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFN64 9x9 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 53 No 12-bit, 8-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFP64 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 53 No 12-bit, 8-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFP64 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 53 No 12-bit, 8-ch., 1 Msps 12-bit, 1-ch. No Yes No Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFP64 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 86 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 QFP100 14x14 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 86 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 QFP100 14x14 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 86 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 QFP100 14x14 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 90 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 BGA112 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 90 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 BGA112 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 90 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes No Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 BGA112 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 56 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFN64 9x9 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 56 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFN64 9x9 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 56 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFN64 9x9 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 53 No 12-bit, 8-ch., 1 Msps 12-bit, 1-ch. No Yes Yes Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFP64 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 53 No 12-bit, 8-ch., 1 Msps 12-bit, 1-ch. No Yes Yes Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFP64 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 53 No 12-bit, 8-ch., 1 Msps 12-bit, 1-ch. No Yes Yes Yes 3 Yes Yes No No No No 0 3 3 1 0 0 Yes 2 1.98 3.8 QFP64 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 86 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 QFP100 14x14 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 86 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 QFP100 14x14 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 86 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 6 3 3 1 0 0 Yes 2 1.98 3.8 QFP100 14x14 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 128 16 90 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 BGA112 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 32 8 90 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 BGA112 10x10 ±2% SW AES-128 AES-256
EFM32-G8xx-STK 32 64 16 90 No 12-bit, 8-ch., 1 Msps 12-bit, 2 ch. No Yes Yes Yes 3 Yes Yes No No No No 1 3 3 1 0 0 Yes 2 1.98 3.8 BGA112 10x10 ±2% SW AES-128 AES-256
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