EFR32MG22 Series 2 Zigbee SoC (system-on-chip)

EFR32MG22 (MG22) Zigbee SoC (system-on-chip) solutions are part of the Wireless Gecko Series 2 platform. The MG22 family offers an optimized Zigbee SoC solutions incorporating a high-performance, low-power 76.8 MHz Arm® Cortex®-M33 core with TrustZone. The MG22 SoCs’ combination of ultra-low transmit and receive power (8.2 mA TX at +6 dBm, 3.9 mA RX), 1.4 µA deep-sleep mode power and low-power peripherals delivers an industry-leading, energy-efficient solution for applications using the Zigbee protocol including Green Power. IoT applications include smart home sensors, lighting controls, and building and industrial automation.

Building automation, lighting controls and sensors
Ideal for Zigbee Green Power devices

EFR32MG22 Common Specs

Low Power Wireless System-on-Chip

  • High Performance 32-bit 76.8 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  • Up to 512 kB flash program memory
  • Up to 32 kB RAM data memory
  • 2.4 GHz radio operation

Radio Performance

  • -102.3 dBm sensitivity @ 250 kbps GFSK
  • -106.7 dBm sensitivity @125 kbps GFSK
  • -98.9 dBm sensitivity @ 1 Mbit/s GFSK
  • -96.2 dBm sensitivity @ 2 Mbit/s GFSK
  • TX power up to 6 dBm
  • 2.5 mA radio receive current
  • 3.4 mA radio transmit current @ 0 dBm output power
  • 7.5 mA radio transmit current @ 6 dBm output power

Low System Energy Consumption

  • 3.6 mA RX current (1 Mbps GFSK)
  • 3.9 mA RX current (250 kbps O-QPSK DSSS)
  • 4.1 mA TX current @ 0 dBm output power
  • 8.2 mA TX current @ 6 dBm output power
  • 26 μA/MHz in Active Mode (EM0) at 38.4 MHz
  • 1.40 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from LFRCO)
  • 0.17 μA EM4 current

Wide Selection of MCU Peripherals

  • 16-bit Analog to Digital Converter (ADC)
  • Up to 26 General Purpose I/O pins with output state retention and asynchronous interrupts
  • 8 Channel DMA Controller
  • 12 Channel Peripheral Reflex System (PRS)
  • 4 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 1 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 32-bit Real Time Counter
  • 24-bit Low Energy Timer for waveform generation
  • 1 × Watchdog Timer
  • 2 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
  • 1 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART)
  • 2 × I2C interface with SMBus support
  • Digital microphone interface (PDM)
  • Precision Low-Frequency RC Oscillator to replace 32 kHz sleep crystal
  • RFSENSE with selective OOK mode
  • Die temperature sensor with +/-1.5 °C
    accuracy after single-point calibration

Supported Modulation Format

  • 2 (G)FSK with fully configurable shaping
  • OQPSK DSSS
  • (G)MSK

Protocol Support

  • Bluetooth Low Energy (Bluetooth 5.2)
  • Direction finding using Angle-of-Arrival (AoA) and Angle-of-Departure (AoD)
  • Bluetooth Mesh Low Power Node (512 kB parts only)
  • Zigbee PRO/Green Power
  • Proprietary

Wide Operation Range

  • 1.71 V to 3.8 V single power supply
  • -40 °C to 125 °C

Packages

  • QFN40 5 mm × 5 mm × 0.85 mm
    • (AEC-Q100 Certified options available)
  • QFN32 4 mm × 4 mm × 0.85 mm
    • (AEC-Q100 Certified options available)
  • TQFN32 4 mm × 4 mm × 0.30 mm

MG22 Security Features

Status

Find the Right EFR32MG22 Device Select Columns
Select Columns
Part Number Pricing MCU Core Frequency (MHz) Flash RAM Cryptography Output Power Range (dBm) Receive Sensitivity GPIO RX Current (mA) UART USART LEUART I²C SPI I²S ADC Timers (16-bit) Temperature Range ºC Package Type Package Size (mm) AEC-Q100 Grade 1 Wireless Standards Multiprotocol
1K @ US$1.84 ARM Cortex-M33 76.8 512 32 AES-128 AES-256 ECC SHA-1 SHA-2 -28 6 -102.1 (250 kbit/s OQPSK) 18 3.6 3 2 0 2 2 2 12-bit, SAR, 1 Msps 4 -40 85 QFN32 4x4 No Zigbee Bluetooth Switched Programmable
1K @ US$1.84 ARM Cortex-M33 76.8 512 32 AES-128 AES-256 ECC SHA-1 SHA-2 -28 6 -102.1 (250 kbit/s OQPSK) 18 3.6 3 2 0 2 2 2 12-bit, SAR, 1 Msps 4 -40 125 QFN32 4x4 Yes Zigbee Bluetooth Switched Programmable
1K @ US$1.92 ARM Cortex-M33 76.8 512 32 AES-128 AES-256 ECC SHA-1 SHA-2 -28 6 -102.1 (250 kbit/s OQPSK) 26 3.6 3 2 0 2 2 2 12-bit, SAR, 1 Msps 4 -40 125 QFN40 5x5 Yes Zigbee Bluetooth Switched Programmable

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