EFR32BG22 Wireless Gecko SoC Family
Data Sheet
The EFR32BG22 Wireless Gecko family of SoCs is part of the
Wireless Gecko portfolio. EFR32BG22 Wireless Gecko SoCs are
KEY FEATURES
ideal for enabling energy-friendly Bluetooth 5.2 networking for IoT
devices.
• 32-bit ARM® Cortex®-M33 core with 76.8
MHz maximum operating frequency
• Up to 512 kB of flash and 32 kB of RAM
The single-die solution combines a 76.8 MHz Cortex-M33 with a high performance 2.4
GHz radio to provide an industry-leading, energy efficient wireless, SoC for IoT connec-
ted applications.
• Energy-efficient radio core with low active
and sleep currents
• Bluetooth 5.2 Direction Finding
• Integrated PA with up to 6 dBm (2.4 GHz)
TX power
Wireless Gecko applications include:
• Asset Tags and Beacons
• Secure Boot with Root of Trust and
Secure Loader (RTSL)
• Consumer Electronics Remote Controls
• Portable Medical
• Bluetooth Mesh Low Power Nodes
• Sports, Fitness, and Wellness devices
• Connected Home
• Building Automation and Security
Core / Memory
Clock Management
Energy Management
Security
HF Crystal
Oscillator
HF
ARM CortexTM M33 processor
with DSP extensions,
FPU and TrustZone
RC Oscillator
Voltage
Regulator
DC-DC
Converter
Flash Program
Memory
Crypto Acceleration
Fast Startup
RC Oscillator
Precision LF
RC Oscillator
Power-On
Reset
Brown-Out
Detector
True Random
Number Generator
LDMA
Controller
LF Crystal
Oscillator
Ultra LF RC
Oscillator
ETM
Debug Interface
RAM Memory
32-bit bus
Peripheral Reflex System
Radio Subsystem
Serial
I/O Ports
Timers and Triggers
Analog I/F
Interfaces
ARM CortexTM
M0+ Radio
Controller
RFSENSE
w/ OOK Detect
DEMOD
IFADC
AGC
External
Interrupts
USART
PDM
Timer/Counter
Protocol Timer
ADC
General
Purpose I/O
Temperature
Sensor
Watchdog Timer
Low Energy Timer
RX/TX Frontend
with Integrated PA
BUFC RAM
FRC
Real Time
Capture Counter
Back-Up Real
Time Counter
EUART
I2C
Pin Reset
Frequency
Synthesizer
MOD
CRC
Pin Wakeup
Lowest power mode with peripheral operational:
EM0—Active
EM1—Sleep
EM2—Deep Sleep
EM3—Stop
EM4—Shutoff
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