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Silicon Labs

EFR32MG22 Datasheet Preview

EFR32MG22 Datasheet

Wireless Gecko SoC

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EFR32MG22 Wireless Gecko SoC Family
Data Sheet
The EFR32MG22 Wireless Gecko multiprotocol family of SoCs is
part of the Wireless Gecko portfolio. EFR32MG22 Wireless Gecko
SoCs are ideal for enabling energy-friendly multiprotocol network-
ing for IoT devices.
The single-die solution combines a 76.8 MHz MHz ARM Cortex-M33 with a high per-
formance 2.4 GHz radio to provide an industry-leading, energy efficient, wireless SoC for
IoT connected applications.
Wireless Gecko applications include:
• Zigbee Green Power
• Zigbee End Devices Home Automation
• Lighting Controls
• Building Controls
• Industrial Sensors
KEY FEATURES
• 32-bit ARM® Cortex®-M33 core with 76.8
MHz maximum operating frequency
• Up to 512 kB of flash and 32 kB of RAM
• 12-channel Peripheral Reflex System
enabling autonomous interaction of MCU
peripherals
• Integrated PA with up to 6 dBm (2.4 GHz)
TX power
• Secure Boot with Root of Trust and
Secure Loader (RTSL)
Core / Memory
ARM CortexTM M33 processor
with DSP extensions,
FPU and TrustZone
Flash Program
Memory
ETM
Debug Interface RAM Memory
LDMA
Controller
Radio Subsystem
RFSENSE
w/ OOK Detect
RX/TX Frontend
with Integrated PA
Frequency
Synthesizer
DEMOD
IFADC
AGC
MOD
ARM CortexTM
M0+ Radio
Controller
BUFC RAM
FRC
CRC
Lowest power mode with peripheral operational:
EM0—Active
EM1—Sleep
Clock Management
HF Crystal
Oscillator
HF
RC Oscillator
Fast Startup
RC Oscillator
Precision LF
RC Oscillator
LF Crystal
Oscillator
Ultra LF RC
Oscillator
32-bit bus
Peripheral Reflex System
Serial
Interfaces
USART
I/O Ports
External
Interrupts
PDM
General
Purpose I/O
EUART
Pin Reset
I2C Pin Wakeup
EM2—Deep Sleep
Energy Management
Voltage
Regulator
Power-On
Reset
DC-DC
Converter
Brown-Out
Detector
Security
Crypto Acceleration
True Random
Number Generator
Timers and Triggers
Timer/Counter
Protocol Timer
Low Energy Timer
Watchdog Timer
Real Time
Capture Counter
Back-Up Real
Time Counter
Analog I/F
ADC
Temperature
Sensor
EM3—Stop
EM4—Shutoff
silabs.com | Building a more connected world.
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Preliminary Rev. 0.5




Silicon Labs

EFR32MG22 Datasheet Preview

EFR32MG22 Datasheet

Wireless Gecko SoC

No Preview Available !

EFR32MG22 Wireless Gecko SoC Family Data Sheet
Feature List
1. Feature List
The EFR32MG22 highlighted features are listed below.
Low Power Wireless System-on-Chip
High Performance 32-bit 76.8 MHz MHz ARM Cortex®-M33
with DSP instruction and floating-point unit for efficient sig-
nal processing
• Up to 512 kB flash program memory
• Up to 32 kB RAM data memory
• 2.4 GHz radio operation
Radio Performance
• -102.3 dBm sensitivity @ 250 kbps O-QPSK DSSS
• -106.7 dBm sensitivity @ 125 kbps GFSK
• -98.9 dBm sensitivity @ 1 Mbit/s GFSK
• -96.2 dBm sensitivity @ 2 Mbit/s GFSK
• TX power up to 6 dBm
• 2.5 mA radio receive current
• 3.4 mA radio transmit current @ 0 dBm output power
• 7.5 mA radio transmit current @ 6 dBm output power
Low System Energy Consumption
• 3.6 mA RX current (1 Mbps GFSK)
• 3.9 mA RX current (250 kbps O-QPSK DSSS)
• 4.1 mA TX current @ 0 dBm output power
• 8.2 mA TX current @ 6 dBm output power
• 26 μA/MHz in Active Mode (EM0) at 38.4 MHz
• 1.40 μA EM2 DeepSleep current (32 kB RAM retention and
RTC running from LFRCO)
• 0.17 μA EM4 current
Supported Modulation Format
• 2 (G)FSK with fully configurable shaping
• OQPSK DSSS
• (G)MSK
Protocol Support
• Bluetooth Low Energy (Bluetooth 5.2)
• Direction finding using Angle-of-Arrival (AoA) and Angle-of-
Departure (AoD)
• Zigbee
• Proprietary
Wide selection of MCU peripherals
• 12-bit 1 Msps SAR Analog to Digital Converter (ADC)
• Up to 26 General Purpose I/O pins with output state reten-
tion and asynchronous interrupts
• 8 Channel DMA Controller
• 12 Channel Peripheral Reflex System (PRS)
• 4 × 16-bit Timer/Counter with 3 Compare/Capture/PWM
channels
• 1 × 32-bit Timer/Counter with 3 Compare/Capture/PWM
channels
• 32-bit Real Time Counter
• 24-bit Low Energy Timer for waveform generation
• 1 × Watchdog Timer
• 2 × Universal Synchronous/Asynchronous Receiver/Trans-
mitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
• 1 × Enhanced Universal Asynchronous Receiver/Transmit-
ter (EUART)
2 × I2C interface with SMBus support
• Digital microphone interface (PDM)
• Precision Low-Frequency RC Oscillator to replace 32 kHz
sleep crystal
• RFSENSE with selective OOK mode
• Die temperature sensor with +/-1.5 degree C accuracy after
single-point calibration
Wide Operating Range
• 1.71 V to 3.8 V single power supply
• -40 °C to 125 °C
Security Features
• Secure Boot with Root of Trust and Secure Loader (RTSL)
• Hardware Cryptographic Acceleration for AES128/256,
SHA-1, SHA-2 (up to 256-bit), ECC (up to 256-bit), ECDSA,
and ECDH
• True Random Number Generator (TRNG) compliant with
NIST SP800-90 and AIS-31
ARM® TrustZone®
• Secure Debug with lock/unlock
Packages
QFN40 5 mm × 5 mm × 0.85 mm
QFN32 4 mm × 4 mm × 0.85 mm
TQFN32 4 mm × 4 mm × 0.30 mm
silabs.com | Building a more connected world.
Preliminary Rev. 0.5 | 2


Part Number EFR32MG22
Description Wireless Gecko SoC
Maker Silicon Labs
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EFR32MG22 Datasheet PDF






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