BGM111 Wireless Gecko Bluetooth Module Data Sheet The Wireless Gecko BGM111 is a Bluetooth Module targeted for Bluetooth low energy KEY FEATURES applications where reliable RF, low-power consumption, and easy application develop- ment are key requirements. At +8 dBm TX power, BGM111 is ideal for applications re- quiring short and medium range Bluetooth connectivity. Bluetooth 4.2 Compliant Integrated antenna Based on the EFR32BG1 SoC, the BGM111 integrates all of the necessary elements re- TX power: up to +8 dBm quired for a Bluetooth application: Bluetooth low energy radio, a software stack, and RX sensitivity: down to -92 dBm GATT-based profiles, and it can also host end user applications, which means no exter- Range: up to 200 meters nal microcontroller is required in size, price or power constrained devices. The BGM111 Bluetooth Module also has highly flexible hardware interfaces to connect to different pe- 32-bit ARM Cortex-M4 core at 38.4 MHz ripherals or sensors. Flash memory: 256 kB BGM111 can be used in a wide variety of applications: RAM: 32 kB IoT Sensors and End Devices Autonomous Hardware Crypto Accelerator and Random Number Generator Commercial and Retail Integrated DC-DC Converter Health and Wellness Onboard Bluetooth stack Industrial, Home and Building Automation Smart Phone, Tablet and PC Accessories Crystals Core / Memory Clock Management Energy Management Other High Frequency High Frequency Voltage 38.4MHz CRYPTO Voltage Monitor RC Oscillator Regulator Crystal Oscillator ARM Cortex M4 processor Memory with DSP extensions and FPU Protection Unit Auxiliary Low Frequency DC-DC 32.768kHz High Frequency Power-On Reset CRC RC Oscillator Converter RC Oscillator Ultra Low Flash Program Low Frequency Brown-Out RAM Memory Debug Interface DMA Controller Frequency Memory Crystal Oscillator Detector RC Oscillator 32-bit bus Peripheral Reflex System Radio Transceiver I/O Ports Timers and Triggers Analog I/F Antenna Serial Interfaces External Chip antenna RFSENSE DEMOD USART Timer/Counter Protocol Timer ADC Interrupts Low Energy General Purpose Analog PGA IFADC I Low energy timer Matching Watchdog Timer UART I/O Comparator LNA RF Frontend BALUN AGC 2 PA I C Pin Reset Pulse Counter RTCC IDAC Frequency Q Synthesizer MOD Pin Wakeup Cryotimer Lowest power mode with peripheral operational: EM0Active EM1Sleep EM2Deep Sleep EM3Stop EM4Hibernate EM4Shutoff silabs.com Building a more connected world. Rev. 1.7 CRC FRC RAC BUFC BGM111 Wireless Gecko Bluetooth Module Data Sheet Feature List 1. Feature List The BGM111 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 38.4 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) 256 kB flash program memory 25 pins connected to analog channels (APORT) shared be- 32 kB RAM data memory tween Analog Comparators, ADC, and IDAC 2.4 GHz radio operation 25 General Purpose I/O pins with output state retention and asynchronous interrupts TX power up to +8 dBm 8 Channel DMA Controller Low Energy Consumption 12 Channel Peripheral Reflex System (PRS) 8.7 mA RX current at 2.4 GHz 216-bit Timer/Counter 8.2 mA TX current 0 dBm output power at 2.4 GHz 3 + 4 Compare/Capture/PWM channels 63 A/MHz in Active Mode (EM0) 32-bit Real Time Counter and Calendar 2.5 A EM2 DeepSleep current (full RAM retention and RTCC running from LFXO) 16-bit Low Energy Timer for waveform generation 2.1 A EM3 Stop current (State/RAM retention) 32-bit Ultra Low Energy Timer/Counter for periodic wake-up from any Energy Mode High Receiver Performance 16-bit Pulse Counter with asynchronous operation -92 dBm sensitivity 1 Mbit/s GFSK (2.4 GHz) Watchdog Timer with dedicated RC oscillator 50 nA Supported Protocols 2Universal Synchronous/Asynchronous Receiver/Trans- Bluetooth Low Energy 2 mitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I S) Support for Internet Security Low Energy UART (LEUART ) General Purpose CRC 2 I C interface with SMBus support and address recognition Random Number Generator in EM3 Stop Hardware Cryptographic Acceleration for AES 128/256, Wide Operating Range SHA-1, SHA-2 (SHA-224 and SHA-256) and ECC 1.85 V to 3.8 V single power supply 2.4 V to 3.8 V when using DC-DC Integrated DC-DC -40 C to +85 C Dimensions 12.9 x 15.00 x 2.0 mm silabs.com Building a more connected world. Rev. 1.7 2