EFR32BG27 Based Bluetooth Modules (BGM270S)

Wireless System-on-Chip

• 32-bit 76.8 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  
• Up to 768 kB flash program memory
  
• Up to 64 kB RAM data memory
• 2.4 GHz radio operation

Radio Performance

• -106.5 dBm sensitivity @ 125 kbps GFSK
• -102.2 dBm sensitivity @ 500 kbps GFSK
• -98.8 dBm sensitivity @ 1 Mbps GFSK
• -95.9 dBm sensitivity @ 2 Mbps GFSK
• TX power up to +6.5 dBm

Low System Energy Consumption

• 3.8 mA RX current @ 1 Mbps GFSK
• 4.7 mA TX current @ 0 dBm output power
• 11.2 mA TX current @ 6.5 dBm output power
• 29 μA/MHz in Active Mode (EM0) @ 76.8 MHz
• 2.2 μA EM2 DeepSleep current (RTC running from LFXO, full RAM retention)
• 0.22 μA EM4 current

Supported Modulation Format

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

Protocol Support

• Bluetooth Low Energy 6.0

Wide Selection of MCU Peripherals

• Analog to Digital Converter (ADC)
  • 12-bit @ 1 Msps
  • 16-bit @ 76.9 ksps
    
• Analog Comparator (ACMP)
• 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)
• 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 (SYSRTC/BURTC)
  
• 24-bit Low Energy Timer for waveform generation (LETIMER)
• 1 × Watchdog Timer (WDOG)
  
• 2 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
• 1 × Enhanced Universal Asynchronous Receiver/Transmitter (UART/SPI)
• 2 × I2C interface with SMBus support
• Digital Microphone interface (PDM)
• Precision low-frequency RC Oscillator to replace 32 kHz sleep crystal
• Die temperature sensor with +/- 1.5 °C accuracy after single-point calibration
• Coulomb counter integrated into DC-DC

Wide Operation Range

• 1.8 to 3.8 V
• -40 to 105 °C

Packages

• LGA 6.5 mm x 6.5 mm

Regulatory Certifications

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

Security Features

• Secure Boot with Root of Trust Secure Loader (RTSL)
• Hardware Cryptographic Acceleration for AES128/256, SHA-1, SHA-2 (up to 256-bit), ECC (up to 256-bit), ECDSA, and ECDH
• DPA Countermeasures
• Customer Key Management with PUF
• True Random Number Generator (TRNG) compliant with NIST SP800-90 and AIS-31
• ARM® TrustZone®
• Secure Debug with lock/unlock
• External Tamper Detect