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EFM32™ Giant Gecko Series 1 32-bit Microcontrollers (MCUs)

The most integrated and high performance low power MCU available.

Our EFM32™ Giant Gecko Series 1 ARM® Cortex®-M4-based 32-bit microcontrollers (MCUs) are the most integrated and high performance low power MCUs available and include robust security via a unique cryptographic hardware engine supporting AES, ECC, SHA, and True Random Number Generator (TRNG). New features include a PDM sensor interface, an SD/MMC/SDIO controller, Octal/ Quad-SPI memory controller, 10/100 Ethernet MAC, dual CAN bus controller, highly robust capacitive sensing, enhanced alpha blending graphics engine, and LESENSE/PCNT enhancements for smart energy meters. These features, combined with ultra-low current active mode and short wake-up time from energy-saving modes, make Giant Gecko Series 1 microcontrollers well-suited for any battery-powered application, as well as other systems requiring high performance and low-energy consumption.

Sleep Current with RTCC as low as
2.1 μA
Active current as low as
80 μA/MHz

Giant Gecko 11 Common Specs

  • ARM Cortex-M4+ CPU platform
  • 72 MHz
  • 80 μA/MHz in Active Mode (EM0)
  • 2.10 μA sleep with RTCC and RAM
  • Autonomous peripherals in sleep
  • DMA and peripheral reflex system
  • LESENSE
  • Advanced security with SMU, TRNG, AES, ECC, SHA
  • USART, I²C, SPI, CAN, Ethernet, QSPI and SDIO
  • Up to 67 General Purpose I/O Pins
  • Segment LCD Controller with up to 8 × 32 segments
  • -40 °C to 125 °C TJ temperature grade
  • 1.8 V to 3.8 V single power supply
  • 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)
    • 152-pin BGA (8 mm x 8 mm)
    • 192-pin BGA (7 mm x 7 mm)
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Part Number MHz Flash RAM Dig I/O Pins 5 Volt Tolerant ADC 1 ADC 2 DAC USB Cap Sense LCD Temp Sensor Timers (16-bit) Timers (32-bit) ECC SHA-1 SHA-2 RSA-2048 UART USART SPI I2C I2S PDM Channels EMIF RTC Comparators Vdd (min) Vdd (max) Package Type Package Size (mm) Internal Osc. Debug Interface Cryptography Ethernet QSPI SDIO CAN
EFM32GG11B110F2048GM64
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72 2048 384 56 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
FEATURED
EFM32GG11B110F2048GQ64
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72 2048 384 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B110F2048IM64
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72 2048 384 56 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B110F2048IQ64
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72 2048 384 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B120F2048GM64
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72 2048 512 56 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B120F2048GQ64
Buy Dev Kit
72 2048 512 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B120F2048IM64
Buy Sample Dev Kit
72 2048 512 56 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B120F2048IQ64
Buy Dev Kit
72 2048 512 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B310F2048GL112
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72 2048 384 90 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA112 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B310F2048GQ100
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72 2048 384 86 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B320F2048GL112
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72 2048 512 90 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA112 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B320F2048GQ100
Buy Sample Dev Kit
72 2048 512 86 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048GL112
Buy Sample Dev Kit
72 2048 512 87 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA112 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048GL120
Buy Sample Dev Kit
72 2048 512 93 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048GM64
Buy Sample Dev Kit
72 2048 512 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048GQ100
Buy Sample Dev Kit
72 2048 512 83 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048GQ64
Buy Sample Dev Kit
72 2048 512 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048IL112
Buy Sample Dev Kit
72 2048 512 87 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA112 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048IL120
Buy Sample Dev Kit
72 2048 512 93 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048IM64
Buy Sample Dev Kit
72 2048 512 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048IQ100
Buy Dev Kit
72 2048 512 83 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B420F2048IQ64
Buy Sample Dev Kit
72 2048 512 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048GL120
Buy Sample Dev Kit
72 2048 384 95 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048GM64
Buy Sample Dev Kit
72 2048 384 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048GQ100
Buy Sample Dev Kit
72 2048 384 83 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048GQ64
Buy Dev Kit
72 2048 384 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048IL120
Buy Sample Dev Kit
72 2048 384 95 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048IM64
Buy Sample Dev Kit
72 2048 384 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048IQ100
Buy Sample Dev Kit
72 2048 384 83 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B510F2048IQ64
Buy Dev Kit
72 2048 384 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048GL120
Buy Sample Dev Kit
72 2048 512 95 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048GM64
Buy Sample Dev Kit
72 2048 512 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048GQ100
Buy Sample Dev Kit
72 2048 512 83 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048GQ64
Buy Sample Dev Kit
72 2048 512 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048IL120
Buy Sample Dev Kit
72 2048 512 95 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048IM64
Buy Sample Dev Kit
72 2048 512 53 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048IQ100
Buy Sample Dev Kit
72 2048 512 83 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B520F2048IQ64
Buy Sample Dev Kit
72 2048 512 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048GL120
Buy Sample Dev Kit
72 2048 512 95 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048GL152
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72 2048 512 121 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA152 8x8 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048GL192
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72 2048 512 144 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA192 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048GM64
Buy Sample Dev Kit
72 2048 512 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048GQ100
Buy Sample Dev Kit
72 2048 512 80 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048GQ64
Buy Sample Dev Kit
72 2048 512 47 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP64 10x10 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048IL120
Buy Sample Dev Kit
72 2048 512 95 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA120 7x7 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048IL152
Buy Sample Dev Kit
72 2048 512 121 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 BGA152 8x8 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048IM64
Buy Sample Dev Kit
72 2048 512 50 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFN64 9x9 ±2% JTAG; SW; ETM AES-1 AES-256 2
EFM32GG11B820F2048IQ100
Buy Sample Dev Kit
72 2048 512 80 12-bit, 1000 ksps 12-bit, 1000 ksps 12-bit, 500 ksps 7 4 2 6 6 3 3 0 1 4 1.8 3.8 QFP100 14x14 ±2% JTAG; SW; ETM AES-1 AES-256 2