EFR32FG12 Proprietary Wireless SoC

EFR32FG12 wireless solutions combine an energy-friendly microcontroller (MCU) with a highly integrated radio transceiver supporting sub-GHz and 2.4 GHz proprietary wireless protocols and proprietary modulation schemes including OOK, shaped FSK, shaped OQPSK with DSSS, with and without FEC. Our solution provides industry-leading energy efficiency, ultra-fast wakeup times, a scalable power amplifier, an integrated 2.4 GHz balun and extensive MCU features. The devices are well suited for any battery-operated application and other systems requiring high performance and low energy consumption.

MCU core
ARM Cortex-M4
Flash
512 - 1024 kB

EFR32FG12 Common Specs

2.4 GHz Radio

  • Integrated 2.4 GHz BALUN & Power Amplifier
  • Excellent Receive Sensitivity:
    • -103.3 dBm @125 kbps, GFSK
    • -103.3 dBm @250 kbps, DSSS-OQPSK
  • Programmable Output Power: +19.5 dBm
  • Active-mode RX: 8.5 mA @1 Mbps, 2 GFSK
  • Active-mode TX:
    • 8.5 mA @0 dBm
    • 34 mA @10.5 dBm
  • Low Power Radio features RFSENSE (51 nA)
  • Antenna Diversity

Sub-GHz Radio

  • Ideal for proprietary protocols, wireless M-BUS, Low Power Wide Area Network applications
  • Supported Modulations: 2/4 (G)FSK, OQPSK/(G)MSK, OOK/ASK, BPSK/DBPSK
  • Optional DSSS modulation technique and FEC channel coding
  • Excellent Receive Sensitivity:
    • -126.2 dBm @600 bps, GFSK, 915 MHz
    • -120.6 dBm @2.4 kbps, GFSK, 868 MHz
    • -107.4 dBm @4.8 kbps, OOK, 433 MHz
    • -112.2 dBm @38.4 kbps, GFSK, 169 MHz
  • Programmable Output Power: +20 dBm
  • Active-mode RX: 8.6 mA @38.4 kbps, 2GFSK
  • Active-mode TX:
    • 20.3 mA @10 dBm, 433 MHz
    • 35.3 mA @14 dBm, 868 MHz
  • Antenna Diversity

Rich Analog and Digital Peripherals

  • AES-256/128 Hardware Crypto Accelerator with ECC, SHA-1, SHA-2
  • ADC (12-bit, 1 Msps, 270 µA)
  • Current DAC (4-bit, Current Source or Sink)
  • 2 X Voltage DAC
  • 3 X Operational Amplifier
  • Low Energy Sensor Interface
  • Multi-channel Capacitive Sense Interface
  • 2 X Analog Comparator
  • Low Energy UART
  • 4 x USART (UART, SPI, IrDA, I²S)
  • 2 X I²C (Address recognition down to EM3)
  • Timers: RTCC, LE Timer & Pulse Counter
  • 12-channel Peripheral Reflex System
  • Up to 65 GPIO

Energy Efficient Low Power Modes

  • Energy Mode 2 (Deep Sleep) Current: 1.5 µA
  • Ultra-fast wake up: 3 µS from EM3
  • Wide Supply Voltage range of 1.8 to 3.8 V

Powerful MCU & Memory Options

  • ARM® Cortex®-M4 + Floating-Point Unit
  • Up to 40 MHz Clock Speed
  • Low Active Mode Current: 70 µA/MHz
  • Up to 1024 kB of Programmable Flash
  • Up to 256 kB RAM

Package Options

  • QFN48 (7x7 mm)
  • QFN68 (8x8 mm)
  • BGA125 (7x7 mm)

Status

Find the Right EFR32FG12 Device Select Columns
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Part Number Pricing Integrated MCU MCU Core Core Frequency (MHz) Flash RAM Communications Output Power (dBm) RX Current (mA) Receive Sensitivity (dBm) TX Current A TX Current A (dBm) TX Current B TX Current B (dBm) Proprietary 2.4 GHz Proprietary Sub-GHz Multiprotocol Cryptography Dig I/O Pins ADC-1 DAC Cap Sense Temp Sensor Timers (16-bit) RTC Comparators Temperature Range ºC Package Type Package Size (mm) Debug Interface

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