Silicon Labs’ EFM32™ Tiny Gecko 32-bit microcontroller (MCU) family features autonomous and energy efficient peripherals, high overall chip and analog integration, and the performance of the industry standard ARM® Cortex®-M3 processor.Available in packages as small as 4 mm x 4 mm, the Tiny Gecko MCUs consume as little as 150 μA/MHz in run mode and as little as 1 μA with a real time counter running, brown-out and full RAM and register retention, making them ideal for energy-sensitive applications.
Features
- 32 MHz ARM Cortex-M3 CPU:
- 1.25 DMIPS/MHz
- Superior Math Capability
- Up to 32 kB flash and 4 kB RAM memory
- Up to 56 GPIO with 20 mA drive strength
- Flexible energy management system with 5 different energy modes:
- 20 nA shutoff mode (0.4 µA with RTC)
- 0.6 µA stop mode, including power-on-reset, brown-out detector, RAM and CPU retention
- 1.0 µA deep sleep mode, including RTC with 32.768 kHz oscillator, power-on-reset, brown-out detector, RAM and CPU retention
- 51 µA/MHz sleep mode
- 150 µA/MHz run mode with code executed from flash
- 16 external interrupts
- Direct Memory Access (DMA) controller
- Peripheral Reflex System for autonomous operation
- Hardware AES with 128/256-bit encryption/decryption
- Integrated high and low frequency oscillators
- USARTs with UART and SPI modes up 16 Mbps
- Low Energy UART with 100 nA receive mode
- 16-bit timer/counters with compare/capture
- Low Energy TIMER with optional pulse outputs
- Flexible 24-bit real time counter
- Pulse counter
- Configurable LCD Controller driving up to 8x20 segments
- 12-bit ADC and DAC
- Unique LESENSE – Low Energy Sensor Interface
- Analog Comparators with 8 input MUX and capacitive sensing capability
- On-chip power-on reset and brown-out detector
- 1.98–3.8 V supply voltage
- Temperature range: –40° to 85 °C
- Packages:
- 24-pin QFN (5 mm x 5 mm)
- 32-pin QFN (6 mm x 6 mm)
- 48-pin QFP (7 mm x 7 mm)
- 48-pin BGA (4 mm x 4 mm)
- 64-pin QFN (9 mm x 9 mm)
- 64-pin QFP (10 mm x 10 mm)
Tiny Gecko Resources
Gecko Family - Wireless MCU and 32 bit MCU’s
Gecko Family - Wireless MCU and 32 bit MCU’s Selector Guide
Gecko Family - Wireless MCU and 32 bit MCU’s Selector Guide
