EFR32BG24 Based Bluetooth Modules (BGM240)

Low Power Wireless System-on-Chip

• 78 MHz ARM Cortex®-M33
• 1536 kB Flash program memory
  
• 256 kB RAM data memory
• 2.4 GHz radio operation
  

Radio Performance

• BGM240P
  
  • -106.5 dBm @ 125 kbps GFSK
  • -95.7 dBm @ 2 Mbps GFSK
  • Up to +20 dBm output power
• BGM240S
  • -105.1 dBm @ 125 kbps GFSK
  • -94.3 dBm @ 2 Mbps GFSK
  • 10 dBm output power

Low System Energy Consumption

• 1.3 μA EM2 DeepSleep current
  
• 33.4 μA/MHz in Active Mode (EM0)
  
• BGM240P
  • 4.5 mA RX current (1 Mbps GFSK)
    
  • 4.8 mA TX current @ 0 dBm
• BGM240S
  • 5.1 mA RX current (1 Mbps GFSK)
    
  • 4.6 mA TX current @ 0 dBm

Wide Selection of MCU Peripherals

• 16-bit Analog to Digital Converter (ADC)
• 8 Channel DMA Controller
• 16 Channel Peripheral Reflex System (PRS)
• 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
• 2 × 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
• 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
• 2 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART) supporting UART/SPI/DALI/IrDA
• 2 × I2C interface with SMBus support
• Low-frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
• Keypad scanner supporting up to 6 x 8 matrix (KEYSCAN)
  • 2 (G)FSK with fully configurable shaping

  Supported Modulation Format

  • 2 (G)FSK with fully configurable shaping

  Protocol Support

  • Bluetooth Low Energy 5.4
  • Bluetooth mesh

Wide Operation Range

• 1.8 V to 3.8 V (BGM240P)
• 1.8 V to 3.8 V (BGM240S)
• -40 °C to 105 °C

Regulatory Certifications

• CE (EU)
• UKCA (UK)
• FCC (USA)
• ISED (Canada)
• MIC (Japan)
• KC (South Korea)

Dimensions

• 12.9 mm x 15.0 mm x 2.2 mm (BGM240P)
• 7 mm x 7mm x 1.18 mm (BGM240S)

BGM240 Security Features

• Hardware Cryptographic Acceleration for AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA+ECDH(P-192, P-256, P-384, P-521), Ed25519 and Curve25519, J-PAKE, PBKDF2
• True Random Number Generator (TRNG)
• ARM® TrustZone®
• Secure Boot (Root of Trust Secure Loader)
• Secure Debug Unlock
• DPA Countermeasures
• Secure Key Management with PUF
• Anti-Tamper
• Secure Attestation