EFR32BG1 Datasheet, PDF (1/163 Pages) Silicon Laboratories – Home and Building Automation

EFR32BG1 Blue Gecko Bluetooth® Smart
SoC Family Data Sheet
The Blue Gecko Bluetooth Smart family of SoCs is part of the
Wireless Gecko portfolio. Blue Gecko SoCs are ideal for enabling
energy-friendly Bluetooth Smart networking for IoT devices.
The single-die solution provides industry-leading energy efficiency, ultra-fast wakeup
times, a scalable power amplifier, an integrated balun and no-compromise MCU fea-
tures.
Blue Gecko applications include:
• IoT Sensors and End Devices
• Health and Wellness
• Home and Building Automation
• Accessories
• Human Interface Devices
• Metering
• Commercial and Retail Lighting and Sensing
KEY FEATURES
• 32-bit ARM® Cortex®-M4 core with 40
MHz maximum operating frequency
• Scalable Memory and Radio configuration
options available in several footprint
compatible QFN packages
• 12-channel Peripheral Reflex System
enabling autonomous interaction of MCU
peripherals
• Autonomous Hardware Crypto Accelerator
and Random Number Generator
• Integrated balun for 2.4 GHz and
integrated PA with up to 19.5 dBm
transmit power for 2.4 GHz and 20 dBm
transmit power for Sub-GHz radios
• Integrated DC-DC with RF noise mitigation
Core / Memory
ARM Cortex^TM M4 processor
with DSP extensions and FPU
Memory
Protection Unit
Flash Program
Memory
RAM Memory Debug Interface DMA Controller
Clock Management
High Frequency
Crystal
Oscillator
Low Frequency
RC Oscillator
Low Frequency
Crystal
Oscillator
High Frequency
RC Oscillator
Auxiliary High
Frequency RC
Oscillator
Ultra Low
Frequency RC
Oscillator
Radio Transceiver
BALUN
Sub-GHz RF
Frontend:
LNA, PA,
I/Q Mixer
RFSENSE
2.4 GHz RF
Frontend:
LNA, PA,
I/Q Mixer
PGA
Frequency
Synthesizer
To RF
Frontend
Circuits
DEMOD
IFADC
AGC
MOD
Lowest power mode with peripheral operational:
EM0—Active
EM1—Sleep
32-bit bus
Peripheral Reflex System
Serial
Interfaces
USART
I/O Ports
External
Interrupts
Low Energy
UART^TM
General
Purpose I/O
I²C
Pin Reset
Pin Wakeup
EM2—Deep Sleep
EM3—Stop
Energy Management
Voltage
Regulator
Voltage Monitor
DC-DC
Converter
Power-On Reset
Brown-Out
Detector
Other
CRYPTO
CRC
Timers and Triggers
Timer/Counter
Low Energy
Timer
Pulse Counter
Protocol Timer
Watchdog Timer
Real Time
Counter and
Calendar
Cryotimer
Analog I/F
ADC
Analog
Comparator
IDAC
EM4—Hibernate
EM4—Shutoff
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