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)
Status
Find the Right Tiny Gecko 11 Device Select Columns
Select Columns
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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

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