Features
  • 48 MHz ARM Cortex-M3 CPU
  • Up to 1024 kB flash
  • 128 kB RAM
  • Up to 93 GPIOs
  • Flexible energy management system with 5 different energy modes
    • 20 nA shutoff mode (0.4 µA with RTC)
    • 0.8 µA stop mode, including power-on-reset, brown-out detector, RAM and CPU retention
    • 1.1 µA deep sleep mode, including RTC with 32.768 kHz oscillator, power-on-reset, brown-out detector, RAM and CPU retention
    • 80 µA/MHz sleep mode
    • 219 µA/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
  • USB 2.0-compliant
  • 1.98–3.8 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)
    • Full Wafer Option

Getting Started with EFM32™ Giant Gecko

EFM32GG-STK3700 Starter Kit

The easiest way to begin development with the EFM32™ Giant Gecko low-cost microcontroller family is with the EFM32GG-STK3700 Starter Kit.

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Giant Gecko Product Matrix


Common Specifications
MCU Core: ARM Cortex-M3
MHz: 48
RAM (kB): 128
ADC 1: 12-bit, 8-ch., 1 Msps
DAC: 12-bit, 2 ch.
Cap Sense: Yes
Temp Sensor: Yes
Timers (16-bit): 4
Cryptography: AES-128; AES-256
RTC: Yes
SPI: 3
I2C: 2
Devices
Part NumberData SheetDev KitMHzFlashRAM (kB)Dig I/O Pins5 Volt TolerantADC 1DACUSBCap SenseLCDTemp SensorTimers (16-bit)AES-128AES-256ECCSHA-1SHA-2RSA-2048UARTUSARTSPII2CI2SEMIFRTCComparatorsVdd (min)Vdd (max)Package TypePackage SizeInternal Osc.Debug InterfaceOtherCryptographyOrder Part NumberShort Description

EFM32GG-STK3700
481024 kB12856No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFN649x9 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG230F1024-QFN64TMCU M3 48MHz 1024kB AES

EFM32GG-STK3700
48512 kB12856No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFN649x9 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG230F512-QFN64TMCU M3 48MHz 512kB AES

EFM32GG-STK3700
481024 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFP6410x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG232F1024-QFP64TMCU M3 48MHz 1024kB AES

EFM32GG-STK3700
48512 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFP6410x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG232F512-QFP64TMCU M3 48MHz 512kB AES

EFM32GG-STK3700
481024 kB12886No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG280F1024-QFP100TMCU M3 48MHz 1024kB AES

EFM32GG-STK3700
48512 kB12886No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG280F512-QFP100TMCU M3 48MHz 512kB AES

EFM32GG-STK3700
481024 kB12890No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG290F1024-BGA112TMCU M3 48MHz 1024kB AES

EFM32GG-STK3700
48512 kB12890No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG290F512-BGA112TMCU M3 48MHz 512kB AES

EFM32GG-STK3700
481024 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG295F1024-BGA120TMCU M3 48MHz 1024kB AES

EFM32GG-STK3700
48512 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG295F512-BGA120TMCU M3 48MHz 512kB AES

EFM32GG-STK3700
481024 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFN649x9 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG330F1024-QFN64TMCU M3 48MHz 1024kB USB AES

EFM32GG-STK3700
48512 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFN649x9 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG330F512-QFN64TMCU M3 48MHz 512kB USB AES

EFM32GG-STK3700
481024 kB12850No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo533210Yes11.98 V3.8 VQFP6410x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG332F1024-QFP64TMCU M3 48MHz 1024kB USB AES

EFM32GG-STK3700
48512 kB12850No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo533210Yes11.98 V3.8 VQFP6410x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG332F512-QFP64TMCU M3 48MHz 512kB USB AES

EFM32GG-STK3700
481024 kB12883No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG380F1024-QFP100TMCU M3 48MHz 1024kB USB AES

EFM32GG-STK3700
48512 kB12883No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG380F512-QFP100TMCU M3 48MHz 512kB USB AES

EFM32GG-STK3700
481024 kB12887No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG390F1024-BGA112TMCU M3 48MHz 1024kB USB AES

EFM32GG-STK3700
48512 kB12887No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG390F512-BGA112TMCU M3 48MHz 512kB USB AES

EFM32GG-STK3700
481024 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG395F1024-BGA120TMCU M3 48MHz 1024kB USB AES

EFM32GG-STK3700
48512 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesNoYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; Low Power; RTCAES-128; AES-256EFM32GG395F512-BGA120TMCU M3 48MHz 512kB USB AES

EFM32GG-STK3700
481024 kB12856No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFN649x9 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG840F1024-QFN64TMCU M3 48MHz 1024kB LCD

EFM32GG-STK3700
48512 kB12856No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFN649x9 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG840F512-QFN64TMCU M3 48MHz 512kB LCD

EFM32GG-STK3700
481024 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFP6410x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG842F1024-QFP64TMCU M3 48MHz 1024kB LCD

EFM32GG-STK3700
48512 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo533210Yes21.98 V3.8 VQFP6410x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG842F512-QFP64TMCU M3 48MHz 512kB LCD

EFM32GG-STK3700
481024 kB12886No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG880F1024-QFP100TMCU M3 48MHz 1024kB LCD

EFM32GG-STK3700
48512 kB12886No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG880F512-QFP100TMCU M3 48MHz 512kB LCD

EFM32GG-STK3700
481024 kB12890No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG890F1024-BGA112TMCU M3 48MHz 1024kB LCD

EFM32GG-STK3700
48512 kB12890No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG890F512-BGA112TMCU M3 48MHz 512kB LCD

EFM32GG-STK3700
481024 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG895F1024-BGA120TMCU M3 48MHz 1024kB LCD

EFM32GG-STK3700
48512 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.0YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG895F512-BGA120TMCU M3 48MHz 512kB LCD

EFM32GG-STK3700
481024 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo533210Yes1 3.8 VQFN649x9 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG940F1024-QFN64TMCU M3 48MHz 1024kB USB LCD

EFM32GG-STK3700
48512 kB12853No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo533210Yes1 3.8 VQFN649x9 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG940F512-QFN64TMCU M3 48MHz 512kB USB LCD

EFM32GG-STK3700
481024 kB12850No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo533210Yes1 3.8 VQFP6410x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG942F1024-QFP64TMCU M3 48MHz 1024kB USB LCD

EFM32GG-STK3700
48512 kB12850No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo533210Yes1 3.8 VQFP6410x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG942F512-QFP64TMCU M3 48MHz 512kB USB LCD

EFM32GG-STK3700
481024 kB12883No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo733210Yes2 3.8 VQFP10014x14 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG980F1024-QFP100TMCU M3 48MHz 1024kB USB LCD

EFM32GG-STK3700
48512 kB12883No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VQFP10014x14 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG980F512-QFP100TMCU M3 48MHz 512kB USB LCD

EFM32GG-STK3700
481024 kB12887No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG990F1024-BGA112TMCU M3 48MHz 1024kB USB LCD

EFM32GG-STK3700
48512 kB12887No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA11210x10 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG990F512-BGA112TMCU M3 48MHz 512kB USB LCD

EFM32GG-STK3700
481024 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG995F1024-BGA120TMCU M3 48MHz 1024kB USB LCD

EFM32GG-STK3700
48512 kB12893No12-bit, 8-ch., 1 Msps12-bit, 2 ch.1YesYesYes4YesYesNoNoNoNo733210Yes21.98 V3.8 VBGA1207x7 mm±2%ETM; SWAES; LCD; Low Power; RTCAES-128; AES-256EFM32GG995F512-BGA120TMCU M3 48MHz 512kB USB LCD