EFR32BG1 Blue Gecko Bluetooth Low Energy SoC Family Data Sheet The Blue Gecko Bluetooth Low Energy family of SoCs is part of KEY FEATURES the Wireless Gecko portfolio. Blue Gecko SoCs are ideal for ena- bling energy-friendly Bluetooth networking for IoT devices. 32-bit ARM Cortex-M4 core with 40 MHz maximum operating frequency The single-die solution provides industry-leading energy efficiency, ultra-fast wakeup Up to 256 kB of flash and 32 kB of RAM times, a scalable power amplifier, an integrated balun and no-compromise MCU fea- 12-channel Peripheral Reflex System tures. enabling autonomous interaction of MCU peripherals Blue Gecko applications include: Autonomous Hardware Crypto Accelerator and Random Number Generator IoT Sensors and End Devices Integrated PA with up to 19 dBm (2.4 Health and Wellness GHz) or 20 dBm (Sub-GHz) TX power Home and Building Automation Integrated balun for 2.4 GHz Accessories Robust peripheral set and up to 31 GPIO Human Interface Devices Metering Commercial and Retail Lighting and Sensing Core / Memory Clock Management Energy Management Other High Frequency High Frequency Voltage Crystal Voltage Monitor CRYPTO RC Oscillator Regulator TM Oscillator ARM Cortex M4 processor Memory with DSP extensions and FPU Protection Unit Auxiliary High Low Frequency DC-DC Frequency RC Power-On Reset CRC RC Oscillator Converter Oscillator Low Frequency Ultra Low Flash Program Brown-Out RAM Memory Debug Interface DMA Controller Crystal Frequency RC Memory Detector Oscillator Oscillator 32-bit bus Peripheral Reflex System Radio Transceiver Serial I/O Ports Timers and Triggers Analog I/F Interfaces External Sub-GHz RF DEMOD USART Timer/Counter Protocol Timer ADC Interrupts Frontend: LNA, PA, I/Q Mixer Low Energy General Low Energy Analog PGA IFADC Watchdog Timer TM UART Purpose I/O Timer Comparator RFSENSE Real Time 2 AGC I C Pin Reset Pulse Counter Counter and IDAC 2.4 GHz RF Frequency Calendar Frontend: Synthesizer BALUN LNA, PA, To RF MOD I/Q Mixer Frontend Pin Wakeup Cryotimer Circuits Lowest power mode with peripheral operational: EM0Active EM1Sleep EM2Deep Sleep EM3Stop EM4Hibernate EM4Shutoff silabs.com Building a more connected world. Rev. 1.3 CRC FRC RAC BUFCEFR32BG1 Blue Gecko Bluetooth Low Energy SoC Family Data Sheet Feature List 1. Feature List The EFR32BG1 highlighted features are listed below. Low Power Wireless System-on-Chip Wide selection of MCU peripherals 12-bit 1 Msps SAR Analog to Digital Converter (ADC) High Performance 32-bit 40 MHz ARM Cortex -M4 with DSP instruction and floating-point unit for efficient signal 2 Analog Comparator (ACMP) processing Digital to Analog Current Converter (IDAC) Up to 256 kB flash program memory Up to 31 pins connected to analog channels (APORT) Up to 32 kB RAM data memory shared between analog peripherals 2.4 GHz and Sub-GHz radio operation Up to 31 General Purpose I/O pins with output state reten- tion and asynchronous interrupts Transmit power: 8 Channel DMA Controller 2.4 GHz radio: Up to 19.5 dBm 12 Channel Peripheral Reflex System (PRS) Sub-GHz radio: Up to 20 dBm 2 16-bit Timer/Counter Low Energy Consumption 3 or 4 Compare/Capture/PWM channels 8.7 mA RX current at 1 Mbps, GFSK, 2.4 GHz 32-bit Real Time Counter and Calendar 7.6 mA RX current at 38.4 kbps, GFSK, 169 MHz 16-bit Low Energy Timer for waveform generation 8.2 mA TX current at 0 dBm output power at 2.4 GHz 32-bit Ultra Low Energy Timer/Counter for periodic wake-up 34.5 mA TX current at 14 dBm output power at 868 MHz from any Energy Mode 63 A/MHz in Active Mode (EM0) 16-bit Pulse Counter with asynchronous operation 2.2 A EM2 DeepSleep current (4 kB RAM retention and Watchdog Timer with dedicated RC oscillator RTCC running from LFRCO) 2 Universal Synchronous/Asynchronous Receiver/Trans- Wake on Radio with signal strength detection, preamble 2 pattern detection, frame detection and timeout mitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I S) High Receiver Performance Low Energy UART (LEUART ) -92.5 dBm sensitivity at 1 Mbit/s GFSK, 2.4 GHz 2 I C interface with SMBus support and address recognition -99 dBm sensitivity at 250 kbps DSSS-OQPSK, 2.4 GHz in EM3 Stop -126.4 dBm sensitivity at 600 bps, GFSK, 915 MHz Wide Operating Range -121.4 dBm sensitivity at 2.4 kbps, GFSK, 868 MHz 1.85 V to 3.8 V single power supply -107 dBm sensitivity at 4.8 kbps, OOK, 433 MHz Integrated DC-DC, down to 1.8 V output with up to 200 mA load current for system -111.9 dBm sensitivity at 38.4 kbps, GFSK, 169 MHz Standard (-40 C to 85 C) and Extended (-40 C to 125 C) Supported Modulation Formats temperature grades available 2/4 (G)FSK with fully configurable shaping Support for Internet Security BPSK / DBPSK TX General Purpose CRC OOK / ASK Random Number Generator Shaped OQPSK / (G)MSK Hardware Cryptographic Acceleration for AES 128/256, Configurable DSSS and FEC SHA-1, SHA-2 (SHA-224 and SHA-256) and ECC Supported Protocols QFN32 5x5 mm Package Bluetooth Low Energy QFN48 7x7 mm Package Proprietary Protocols Wireless M-Bus Selected IEEE 802.15.4g SUN-FSK PHYs Low Power Wide Area Networks Suitable for Systems Targeting Compliance With: FCC Part 90.210 Mask D, FCC part 15.247, 15.231, 15.249 ETSI Category I Operation, EN 300 220, EN 300 328 ARIB T-108, T-96 China regulatory silabs.com Building a more connected world. 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