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EFM32™ Tiny Gecko 11 32-bit Microcontrollers (MCUs)

The Busy Bee family of EFM8 Microcontrollers (MCUs) includes general purpose MCUs. These MCUs offer high-value by integrating advanced analog and communication peripherals into small packages, making them ideal for low-latency, BOM, and space-constrained embedded applications.

Sleep current with RTCC & RAM as low as
1.3 uA
Active current as low as
37 uA/MHz

Tiny Gecko 11 Common Specs

  • ARM Cortex-M0+ CPU platform
  • 48 MHz
  • Up to 128 kB flash program memory
  • Up to 32 kB RAM data memory
  • 37 μA/MHz in Active Mode (EM0)
  • 1.30 μA sleep with RTCC and RAM
  • Autonomous peripherals in sleep
  • DMA and peripheral reflex system
  • LESENSE
  • Advanced security with SMU, TRNG, AES, ECC, SHA
  • UART, USART, I²C, SPI, CAN
  • 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:
    • 32-pin QFN (5 mm x 5 mm)
    • 48-pin TQFP (7 mm x 7 mm)
    • 64-pin QFN (9 mm x 9 mm)
    • 64-pin TQFP (10 mm x 10 mm)
    • 80-pin QFN (9 mm x 9 mm)
    • 80-pin TQFP (12 mm x 12 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) 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 Ethernet QSPI SDIO CAN
EFM32TG11B120F128GM32
Buy Sample Dev Kit
48 128 32 24 12-bit, 17-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128GM64
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48 128 32 56 12-bit, 36-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128GQ48
Buy Sample Dev Kit
48 128 32 37 12-bit, 22-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128GQ64
Buy Sample Dev Kit
48 128 32 53 12-bit, 33-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128IM32
Buy Sample Dev Kit
48 128 32 24 12-bit, 17-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128IM64
Buy Sample Dev Kit
48 128 32 56 12-bit, 36-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128IQ48
Buy Sample Dev Kit
48 128 32 37 12-bit, 22-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B120F128IQ64
Buy Sample Dev Kit
48 128 32 53 12-bit, 33-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64GM32
Buy Sample Dev Kit
48 64 32 24 12-bit, 17-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64GM64
Buy Sample Dev Kit
48 64 32 56 12-bit, 36-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64GQ48
Buy Sample Dev Kit
48 64 32 37 12-bit, 22-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64GQ64
Buy Sample Dev Kit
48 64 32 53 12-bit, 33-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64IM32
Buy Sample Dev Kit
48 64 32 24 12-bit, 17-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64IM64
Buy Sample Dev Kit
48 64 32 56 12-bit, 36-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64IQ48
Buy Sample Dev Kit
48 64 32 37 12-bit, 22-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B140F64IQ64
Buy Sample Dev Kit
48 64 32 53 12-bit, 33-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B320F128GM64
Buy Sample Dev Kit
48 128 32 56 12-bit, 44-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B320F128GQ48
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48 128 32 37 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B320F128GQ64
Buy Sample Dev Kit
48 128 32 53 12-bit, 41-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B320F128IM64
Buy Sample Dev Kit
48 128 32 56 12-bit, 44-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B320F128IQ48
Buy Sample Dev Kit
48 128 32 37 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B320F128IQ64
Buy Sample Dev Kit
48 128 32 53 12-bit, 41-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B340F64GM64
Buy Sample Dev Kit
48 64 32 56 12-bit, 44-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B340F64GQ48
Buy Sample Dev Kit
48 64 32 37 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B340F64GQ64
Buy Sample Dev Kit
48 64 32 53 12-bit, 41-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B340F64IM64
Buy Sample Dev Kit
48 64 32 56 12-bit, 44-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B340F64IQ48
Buy Sample Dev Kit
48 64 32 37 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B340F64IQ64
Buy Sample Dev Kit
48 64 32 53 12-bit, 41-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128GM32
Buy Sample Dev Kit
48 128 32 22 12-bit, 18-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128GM64
Buy Sample Dev Kit
48 128 32 53 12-bit, 43-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128GM80
Buy Sample Dev Kit
48 128 32 67 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN80 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128GQ48
Buy Sample Dev Kit
48 128 32 34 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128GQ64
Buy Sample Dev Kit
48 128 32 50 12-bit, 40-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128GQ80
Buy Sample Dev Kit
48 128 32 63 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP80 12x12 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128IM32
Buy Sample Dev Kit
48 128 32 22 12-bit, 18-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128IM64
Buy Sample Dev Kit
48 128 32 53 12-bit, 43-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128IM80
Buy Sample Dev Kit
48 128 32 67 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN80 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128IQ48
Buy Sample Dev Kit
48 128 32 34 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128IQ64
Buy Sample Dev Kit
48 128 32 50 12-bit, 40-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B520F128IQ80
Buy Sample Dev Kit
48 128 32 63 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP80 12x12 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64GM32
Buy Sample Dev Kit
48 64 32 22 12-bit, 18-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64GM64
Buy Sample Dev Kit
48 64 32 53 12-bit, 43-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64GM80
Buy Sample Dev Kit
48 64 32 67 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN80 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64GQ48
Buy Sample Dev Kit
48 64 32 34 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64GQ64
Buy Sample Dev Kit
48 64 32 50 12-bit, 40-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64GQ80
Buy Sample Dev Kit
48 64 32 63 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP80 12x12 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64IM32
Buy Sample Dev Kit
48 64 32 22 12-bit, 18-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN32 5x5 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64IM64
Buy Sample Dev Kit
48 64 32 53 12-bit, 43-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN64 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64IM80
Buy Sample Dev Kit
48 64 32 67 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFN80 9x9 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64IQ48
Buy Sample Dev Kit
48 64 32 34 12-bit, 30-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP48 7x7 ±2% SW, JTAG AES-1 AES-256 1
EFM32TG11B540F64IQ64
Buy Sample Dev Kit
48 64 32 50 12-bit, 40-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP64 10x10 ±2% SW, JTAG AES-1 AES-256 1
FEATURED
EFM32TG11B540F64IQ80
Buy Sample Dev Kit
48 64 32 63 12-bit, 46-ch., 1 Msps — 2x 12-bit, 2 ch. 2 1 4 4 2 4 0 2 1.8 3.8 QFP80 12x12 ±2% SW, JTAG AES-1 AES-256 1
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      EFM32™ Tiny Gecko 11 Starter Kit

      Silicon Labs' SLSTK3301A is an excellent starting point to get familiar with the EFM32™ Tiny Gecko 11 32-bit microcontrollers.

      EFM32™ Tiny Gecko 11 Starter Kit

      Silicon Labs' SLSTK3301A is an excellent starting point to get familiar with the EFM32™ Tiny Gecko 11 32-bit microcontrollers.
      $89.99
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