Happy Gecko Common Specs
- ARM Cortex-M0+ CPU platform
- 25 MHz
- Up to 64 kB Flash
- Up to 8 kB RAM
- 131 μA/MHz in Active Mode (EM0)
- 0.9 μA sleep with RTC and RAM retention
- Autonomous peripherals in sleep
- DMA and peripheral reflex system
- USART, I²C, SPI, and USB
- Up to 35 General Purpose I/O Pins
- -40 °C to +105 °C operation range
- 1.98 V to 3.8 V single power supply
- Packages:
- 24-pin QFN (7 mm x 7 mm)
- 32-pin QFN (6 mm x 6 mm)
- 36-pin QFN (5 mm x 5 mm)
Find the Right Happy Gecko Device
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| Part Number | MHz | Flash | RAM | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 32 | 4 | 17 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | ||||||||||||||
| 25 | 32 | 4 | 17 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | ||||||||||||||
| 25 | 64 | 8 | 17 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | ||||||||||||||
| 25 | 64 | 8 | 17 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | ||||||||||||||
| 25 | 32 | 4 | 17 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 4 | 17 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 17 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 17 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 4 | 24 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 4 | 24 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 24 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 24 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 4 | 37 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 4 | 37 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 37 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 37 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 15 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 15 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 15 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 15 | — | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 15 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 15 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 15 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 15 | 12-bit, 2-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN24 | 5x5 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 22 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 22 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 22 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 22 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFN32 | 6x6 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 32 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 | |||||||||||||
| 25 | 64 | 8 | 35 | 12-bit, 4-ch., 1 Msps | — | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 1.98 | 3.8 | QFP48 | 7x7 | ±2% | MTB; SW | AES-128 |
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EFM32 Happy Gecko Starter Kit
The low energy SLSTK3400A provides an excellent tool to get familiar with the EFM32™ USB-enabled Happy Gecko 32-bit microcontrollers (MCUs), the industry’s most energy-friendly MCU based on the ARM® Cortex®-M0+ processor.
EFM32 Happy Gecko Starter Kit
The low energy SLSTK3400A provides an excellent tool to get familiar with the EFM32™ USB-enabled Happy Gecko 32-bit microcontrollers (MCUs), the industry’s most energy-friendly MCU based on the ARM® Cortex®-M0+ processor.