BGM121/BGM123 Blue Gecko Bluetooth SiP Module Data Sheet The BGM121/BGM123 Blue Gecko Bluetooth SiP Module family is targeted for appli- KEY FEATURES cations where ultra-small size, reliable high performance RF, low-power consumption and easy application development are key requirements. Bluetooth 4.2 low energy compliant At 6.5 x 6.5 x 1.4 mm the BGM121/BGM123 module fits applications where size is a con- Integrated antenna or RF pin straint. BGM121/BGM123 also integrates a high performance, ultra robust antenna, TX power up to +8 dBm which requires minimal PCB, plastic and metal clearance. The total PCB area required RX sensitivity: -90 dBm 2 by BGM121/BGM123 is only 51 mm . The BGM121/BGM123 has Bluetooth, CE, partial Range: up to 200 meters FCC, ISED Canada and Japan certifications. 32-bit ARM Cortex-M4 core at 38.4 Based on the EFR32BG1 SoC, the BGM121/BGM123 also integrates a Bluetooth 4.2 MHz compliant Bluetooth Low Energy and it can also run end-user applications on-board or Flash memory: 256 kB alternatively used as a network co-processor over one of the host interfaces. RAM: 32 kB Autonomous Hardware Crypto Accelerator BGM121/BGM123 SIP modules can be used in a wide variety of applications: and Random Number Generator Wearables Integrated DC-DC Converter IoT end devices and gateways Onboard Bluetooth stack Health, sports and wellness devices Industrial, home and building automation Smart phone, tablet and PC accessories Beacons Crystals Core / Memory Clock Management Energy Management Other High Frequency Voltage High Frequency 38.4MHz Voltage Monitor CRYPTO 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 Low Frequency Flash Program 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 Chip antenna External RFSENSE DEMOD USART Timer/Counter Protocol Timer ADC Interrupts Low Energy General Purpose Analog PGA IFADC I Low energy timer Watchdog Timer Matching LNA UART I/O Comparator RF Frontend BALUN PA AGC 2 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. 1.4 CRC FRC RAC BUFC BGM121/BGM123 Blue Gecko Bluetooth SiP Module Data Sheet Feature List 1. Feature List The BGM121/BGM123 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 32 pins connected to analog channels (APORT) shared be- 32 kB RAM data memory tween Analog Comparators, ADC, and IDAC 2.4 GHz radio operation 30 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 -90 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 6.5 x 6.5 x 1.4 mm silabs.com Building a more connected world. Rev. 1.4 2