Silicon Labs' EFM32™ Gecko 32-bit microcontroller (MCU) family includes 25 devices that offer flash memory configurations up to 128 kB, 8–16 kB of RAM and CPU speeds up to 32 MHz.Based on the powerful ARM® Cortex®-M3 core, the Gecko family features innovative low energy techniques, short wake-up time from energy saving modes and a wide selection of peripherals, making it ideal for battery operated applications and other systems requiring high performance and low-energy consumption.
Features
- 32 MHz ARM Cortex-M3 CPU:
- 1.25 DMIPS/MHz
- Superior math capability
- Memory Protection Unit (MPU)
- Up to 128 kB flash and 16 kB RAM memory
- Up to 90 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
- 0.9 µA deep sleep mode, including RTC with 32.768 kHz oscillator, power-on-reset, brown-out detector, RAM and CPU retention
- 45 µA/MHz sleep mode
- 180 µA/MHz run mode with code executed from flash
- Hardware AES with 128/256-bit encryption and decryption
- Peripheral Reflex System for autonomous operation
- Ultra low power precidion and analog peripherals
- 12-bit 1 Msps ADC
- 12-bit 500 ksps DAC
- Configurable LCD Controller driving up to 4x40 segments
- 16 external interrupts
- External Bus Interface
- Direct Memory Access (DMA) Controller
- Integrated high and low frequency oscillators
- USARTs with UART and SPI modes up to 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
- 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:
- 32-pin QFN (6 mm x 6 mm)
- 48-pin QFP (7 mm x 7 mm)
- 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)
- Full Wafer Option
