EFR32™ Flex Gecko

EFR32™ Flex Gecko + EFR32™ Mighty Gecko

The Flex Gecko family of wireless solutions combines an energy-friendly MCU with a highly integrated radio transceiver supporting 2.4 GHz proprietary wireless protocols. The single-die solution provides industry-leading energy efficiency, ultra-fast wakeup times, a scalable power amplifier, an integrated balun and no-compromise MCU features. The devices are well suited for any battery operated application as well as other systems requiring high performance and low energy consumption.


Communication Products

089 / 614 503 60

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Low Power Wireless System-on-Chip

  • Ideal for proprietary wireless applications (GFSK, OQPSK, DSSS, FEC)
  • Integrated 2.4 GHz BALUN & Power Amplifier
  • Excellent Receive Sensitivity: - 101 dBm (250 kbps)
  • Programmable Output Power: +19.5 dBm
  • Active-mode RX, 1 Mbps, 2 GFSK, 2.4 GHz: 8.7 mA
  • Active-mode TX at 10.5 dBm, 2.4 GHz: 34.1 mA
  • Low Power Radio features RFSENSE (51 nA)
  • Antenna Diversity

Energy Efficient Low Power Modes:

  • Energy Mode 2 (Deep Sleep) Current: 1.4 µA
  • Energy Mode 3 (Stop) Current: 1.1 µA
  • Ultra-fast wake up: 3 µS from EM3
  • Wide Supply Voltage range of 1.85 to 3.8 V

Rich Analog and Digital Peripherals:

  • AES256/128 Hardware Crypto Accelerator with ECC, SHA-1, SHA-2
  • ADC (12-bit, 1 Msps, 286 µA)
  • Current DAC (4-bit, Current Source or Sink)
  • 2 X Analog Comparator
  • Low Energy UART
  • 2 X USART (UART, SPI, IrDA, I2S)
  • I2C (Address recognition down to EM3)
  • Timers : RTCC, LE Timer & Pulse Counter
  • 12-channel Peripheral Reflex System
  • Up to 31 GPIO

Powerful MCU & Memory Options EFR32™ Flex Gecko  Starter Kit

  • ARM Cortex-M4 + Floating Point Unit
  • Up to 40 MHz Clock Speed
  • Low Active Mode Current: 63 µA/MHz
  • Up to 256 kB of Programmable Flash
  • Up to 32 kB SRAM

Package Options

  • QFN32 5x5 mm Package
  • QFN48 7x7 mm Package
Wireless Selector Guide

Silicon Labs mission is to design and deliver easy-to-use, wireless connectivity solutions for OEMs, device manufacturers and system integrators. We supply a wide range of Bluetooth and Wi-Fi modules in order to serve industry leaders and start-ups in all sectors: beacons, consumer electronics, health and wellness, automotive aftermarket, sports and fitness, M2M and industrial. Silicon Labs understands that certified, high performance radios are key to your application's success, and our passion is building trusted relationships with our customers that span the entire product life cycle.


Contact HY-LINE

Helpdesk 089 / 614 503 60

E-Mail communication@hy-line.de