EFR32BG22 Based Modules (Series 2)

Supported Protocols:

• Bluetooth Low Energy (Bluetooth 5.2)
• Direction-finding
• Bluetooth mesh Low Power Node
  

Regulatory Certifications:

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

Operating Range:

• 1.8 V to 3.8 V, single supply
• -40 °C to +105 °C

Dimensions:

• 12.9 mm x 15.0 mm x 2.2 mm
• 6 mm × 6 mm × 1.1 mm
  

Wireless SoC:

• 2.4 GHz radio
• TX power up to +8 dBm
• High-performance 32-bit ARM Cortex-M33® with DSP instruction and floating-point unit for efficient signal processing
• Up to 512 kB flash program memory
• 32 kB RAM data memory
• Embedded Trace Macrocell (ETM) for advanced debugging
  

Current Consumption:

• 4.3 mA RX current at 1 Mbps GFSK
• 4.8 mA TX current at 0 dBm output power
• 26 μA/MHz in Active Mode (EM0)
• 1.40 μA EM2 DeepSleep current (RTCC running from LFXO, Full RAM retention)
  
• Precision Low-Frequency RC Oscillator to replace 32 kHz sleep crystal
  

MCU Peripherals:

• 16-bit Analog to Digital Converter (ADC)
  
• 25 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