SILICON LABS EFR32BG27C140F768IM32-BR

The EFR32BG27 Wireless Gecko family of SoCs is part of the Wireless Gecko portfolio. EFR32BG27 Wireless Gecko SoCs are ideal for enabling energy-friendly Bluetooth 5.x networking for IoT devices. The single-die solution combines a 76.8 MHz Cortex-M33 with a high performance 2.4 GHz radio to provide an industry-leading, energy efficient wireless, SoC for IoT connected applications. The devices are available with boost or buck DC-DC capabilities, enabling direct power from a wide variety of batteries.

• 32-bit ARM Cortex-M33 core with 76.8 MHz maximum operating frequency
• 768 kB of flash and 64 KB of RAM
• Energy-efficient radio core with low active and sleep currents
• Integrated PA with up to 8 dBm (2.4 GHz) TX power
• Secure Boot with Root of Trust and Secure Loader (RTSL)
• Pin compatibility / feature superset with EFR32xG22 in QFN
• DC-DC supporting buck (1.8 - 3.8 V) or boost (0.8 - 1.7 V) operation
• Available in WLCSP and QFN packaging
• 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
• 2.4 GHz radio operation
• -106.9 dBm sensitivity @ 125 kbps GFSK
• -99.2 dBm sensitivity @ 1 Mbit/s GFSK
• -96.3 dBm sensitivity @ 2 Mbit/s GFSK
• TX power up to 8 dBm
• 3.6 mA RX current (1 Mbps GFSK)
• 4.1 mA TX current @ 0 dBm output power
• 9.2 mA TX current @ 6 dBm output power
• 11.3 mA TX current @ 8 dBm output power
• 29 μA/MHz in Active Mode (EM0) at 76.8 MHz
• 1.6 μA EM2 DeepSleep current [64 KB] RAM retention and RTC running from LFXO
• 0.18 μA EM4 current
• 2 (G)FSK with fully configurable shaping
• OQPSK DSSS
• (G)MSK
• Bluetooth Low Energy (Bluetooth 5.x)
• Proprietary
• Hardware Cryptographic Acceleration for AES128/256, SHA-1, SHA-2 (up to 256-bit), ECC (up to 256-bit), ECDSA, and ECDH
• DPA Countermeasures
• 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
• Analog to Digital Converter (ADC) 12-bit @ 1 Msps 16-bit @ (α) 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)
• 2×32-bit Timer/Counter with 3 Compare/Capture/PWM channels
• 3×16-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 (1SO 7816)/IrDA/I²S)
• 1× Enhanced Universal Synchronous/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
• RFSENSE with selective OOK mode
• Die temperature sensor with +/-1.5 degree C accuracy after single-point calibration
• Coulomb counter integrated into DC-DC
• 1.8 V to 3.8 V single power supply for devices with Buck DC-DC
• 0.8 V to 1.7 V single power supply for devices with Boost DC-DC
• -40 °C to 125 °C

• Portable Medical
• Home End Devices
• Fleet/Asset Monitoring
• Industrial Automation
• Access Control
• Bluetooth Mesh
• Sports, Fitness, and Wellness devices
• Power Tools