EFR32MG22 Based Zigbee Module (Series 2)

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
• 512 kB flash program memory
• 32 kB RAM data memory
• 2.4 GHz radio operation

Radio Performance

• -102.3 dBm sensitivity @ 250 kbps O-QPSK
• -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 +8 dBm

Low System Energy Consumption

• 4.4 mA RX current (250 kbps O-QPSK DSSS)
  
• 4.3 mA RX current (1 Mbps GFSK)
  
• 4.8 mA TX current @ 0 dBm output power
• 10.6 mA TX current @ +8 dBm output power
• 26 μA/MHz in Active Mode (EM0)
• 1.40 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from LFRCO)

Wide Selection of MCU Peripherals

• 16-bit Analog to Digital Converter (ADC)
  
• Up to 24 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)
• RFSENSE with selective OOK mode

Supported Modulation Format

• 2 (G)FSK with fully configurable shaping
• O-QPSK DSSS

Protocol Support

• Zigbee PRO/Green Power
  
• Bluetooth Low Energy (Bluetooth 5.2)
• Bluetooth Mesh Low Power Node
  

Wide Operation Range

• 1.71 V to 3.8 V single power supply
• -40 °C to 105 °C
  

Regulatory Certifications

• FCC
• CE
• IC/ISEDC
• MIC/TELEC
• KCC
  

Dimensions

• 12.9 mm × 15.0 mm × 2.2 mm