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
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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
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