EFR32MG14 Series 1 Mesh Networking Wireless SoCs for Zigbee and Thread

Due to the evolution of the Zigbee and Thread (OpenThread) protocols, Flash and RAM requirements have increased. We recommend migrating to EFR32MG devices with more Flash and memory to future proof designs.

  • EFR32MG13 for battery powered Zigbee or Thread applications
  • EFR32MG12 for Zigbee, Thread and multiprotocol applications.
  • EFR32MG21 for mains powered mesh applications including lighting, gateways and voice assistants.

EFR32MG14 Common Specs

Zigbee and Thread Radio

  • 2.4 GHz IEEE 802.15.4
  • 250 kbps O-QPSK DSSS
  • Excellent Receive Sensitivity:
    • -103.3 dBm @250 kbps O-QPSK DSSS
  • Programmable Output Power: +19 dBm
  • Active Mode RX: 10.2 mA
  • Active Mode TX: 8.5 mA @0 dBm

Proprietary 2.4 GHz and Sub-GHz Radio

  • Supported Modulations: 2/4 (G)FSK, OQPSK, OOK, 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
    • -109.9 dBm @4.8 kbps, OOK, 433 MHz
    • -112.2 dBm @38.4 kbps, GFSK, 169 MHz
  • Programmable Output Power:
    • +20 dBm  (Sub-GHz)
    • +19 dBm (2.4 GHz)
  • Active Mode RX:
    • 8.6 mA @38.4 kbps, 2GFSK, 868 MHz
  • Active Mode TX:
    • 20.3 mA @10 dBm, 433 MHz
    • 35.3 mA @14 dBm, 868 MHz
  • Antenna Diversity

Bluetooth® Low Energy Radio

  • Compatible with Bluetooth 5.1 Specification
  • Excellent Receive Sensitivity:
    • -93.8 dBm sensitivity @ 1 Mbit/s GFSK 
  • Programmable Output Power: +19 dBm
  • Active Mode RX: 8.8 mA
  • Active Mode TX: 8.5 mA @ 0 dBm

Rich Analog and Digital Peripherals

  • AES-256/128 Hardware Crypto Accelerator with ECC, SHA-1, SHA-2
  • ADC (12-bit, 1 Msps)
  • Current DAC (4-bit, Current Source or Sink)
  • 2 X Voltage DAC
  • 2 X Operational Amplifier
  • Low-Energy Sensor Interface
  • 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
  • Timer/Counter: 2 x 16-bit and 1 x 32-bit
  • 12-channel Peripheral Reflex System
  • Up to 32 GPIO
  • PTA (Packet Traffic Arbitration) for Wi-Fi Coexistence

Energy Efficient Low Power Modes

  • Energy Mode 2 (Deep Sleep) Current: 1.3 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: 67 µA/MHz
  • Up to 256 kB of Programmable Flash
  • Up to 32 kB RAM

Package Options

  • QFN48 (7 mm x 7 mm)
  • QFN32 (5 mm x 5 mm)
Status
Find the Right EFR32MG14 Device Select Columns
Select Columns
Part Number MCU Core Frequency (MHz) Flash RAM Output Power Range (dBm) Cryptography Dig I/O Pins RX Current (mA) Wireless Standards Multiprotocol Multiprotocol Zigbee BLE Receive Sensitivity Temperature Range ºC Package Type Package Size (mm) DAC SPI I²C I²S USB UART USART LEUART Timers (16-bit)
ARM Cortex-M4 40 256 32 -30 10 AES-128 AES-256 ECC SHA-1 SHA-2 16 10.2 Thread Zigbee Bluetooth Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 85 QFN32 5x5 VDAC 2 1 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 10 AES-128 AES-256 ECC SHA-1 SHA-2 31 10.2 Thread Zigbee Bluetooth Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 85 QFN48 7x7 VDAC 2 1 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 19 AES-128 AES-256 ECC SHA-1 SHA-2 16 10.2 Thread Zigbee Bluetooth Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 85 QFN32 5x5 VDAC 2 1 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 19 AES-128 AES-256 ECC SHA-1 SHA-2 31 10.2 Thread Zigbee Bluetooth Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 85 QFN48 7x7 VDAC 2 1 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 19 AES-128 AES-256 ECC SHA-1 SHA-2 16 10.2 Thread Zigbee Bluetooth Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 125 QFN32 5x5 VDAC 2 1 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 19 AES-128 AES-256 ECC SHA-1 SHA-2 31 10.2 Thread Zigbee Bluetooth Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 125 QFN48 7x7 VDAC 2 1 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 19 AES-128 AES-256 ECC SHA-1 SHA-2 28 10.2 Thread Zigbee Bluetooth Sub-GHz Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 85 QFN48 7x7 VDAC 2 2 2 2 2 1 2
ARM Cortex-M4 40 256 32 -30 19 AES-128 AES-256 ECC SHA-1 SHA-2 28 10.2 Thread Zigbee Bluetooth Sub-GHz Switched Programmable -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) -40 125 QFN48 7x7 VDAC 2 1 2 2 2 1 2

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