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EFR32BG22 Common Specs
Low Power Wireless System-on-Chip
- High Performance 32-bit 76.8 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- Up to 512 kB flash program memory
- Up to 32 kB RAM data memory
- 2.4 GHz radio operation
Radio Performance
- -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)
- 4.1 mA TX current @ 0 dBm output power
- 8.2 mA TX current @ 6 dBm output power
- 27 μA/MHz in Active Mode (EM0) at 76.8 MHz
- 1.40 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from LFXO)
- 1.75 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from a precision LFRCO)
- 0.17 μA EM4 current
Wide Selection of MCU Peripherals
- 16-bit Analog to Digital Converter (ADC)
- Up to 26 General Purpose I/O pins with output state retention 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/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
- 1 × Enhanced Universal Asynchronous Receiver/Transmitter (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 °C
accuracy after single-point calibration
Supported Modulation Format
- (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)
- Bluetooth mesh Low Power Node
(512 kB parts only) - Proprietary
Wide Operation Range
- 1.71 V to 3.8 V single power supply
- -40 °C to 125 °C
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
Securing Your Bluetooth Product
IoT security is key to protecting company brands, end user privacy and commercial viability of products. Vulnerabilities can be exploited through both remote Internet attacks and physical hands-on-attacks.
Developers using the Silicon Labs wireless product portfolio including those in the EFR32BG22 portfolio have access to a number of technologies designed to protect their product, including Secure Debug, Secure Boot with Root of Trust & Secure Loader.
BG22 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
Find the Right EFR32BG22 Device
Select Columns
| Part Number | MCU Core | Core Frequency (MHz) | Flash | RAM | Bluetooth 5.1 | Bluetooth 5 | Bluetooth 5.2 | Bluetooth Mesh | Cryptography | Output Power Range (dBm) | Receive Sensitivity | GPIO | RX Current (mA) | TX Current A (dBm) | UART | USART | LEUART | I²C | SPI | I²S | ADC | Comparators | Timers (16-bit) | Temperature Range ºC | Package Type | Package Size (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM Cortex-M33 | 38.4 | 352 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 0 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | QFN32 | 4x4 | |||||
| ARM Cortex-M33 | 76.8 | 352 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | QFN32 | 4x4 | |||||
| ARM Cortex-M33 | 76.8 | 352 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | QFN40 | 5x5 | |||||
| ARM Cortex-M33 | 76.8 | 352 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | TQFN32 | 4x4 | |||||
| ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | QFN32 | 4x4 | |||||
| ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | QFN40 | 5x5 | |||||
| ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 85 | TQFN32 | 4x4 | |||||
| ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 125 | QFN32 | 4x4 | |||||
| ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 0 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 0 | 4 | -40 125 | QFN40 | 5x5 |
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workshop series
Bluetooth Workshops: BG22 Project Series
Learn new ways to integrate Bluetooth connectivity into your next project with the help of Silicon Labs expert engineers. Each project session will explore and solve challenges developers often face when building new Bluetooth designs.
Featured Kits
EFR32xG22 Wireless Gecko Starter Kit
The EFR32xG22 Wireless Gecko Starter Kit (SLWSTK6021A) includes everything developers need to create a connected product and evaluate the EFR32xG22 SoCs.
EFR32xG22 Wireless Gecko Starter Kit
The EFR32xG22 Wireless Gecko Starter Kit (SLWSTK6021A) includes everything developers need to create a connected product and evaluate the EFR32xG22 SoCs.
BG22 Bluetooth SoC Explorer Kit
The BG22 Explorer Kit (BG22-EK4108A) is an ultra-low-cost, small form factor development and evaluation platform focused on rapid prototyping and concept creation of Bluetooth LE IoT applications.
BG22 Bluetooth SoC Explorer Kit
The BG22 Explorer Kit (BG22-EK4108A) is an ultra-low-cost, small form factor development and evaluation platform focused on rapid prototyping and concept creation of Bluetooth LE IoT applications.
BG22 Bluetooth Dual Polarized Antenna Array Pro Kit
The BG22 Bluetooth Dual Polarize Antenna Array Pro kit is designed for evaluation and development of Angle of Arrival (AoA) and Angle of Departure (AoD) support provided in the Bluetooth 5.1 specification. The Pro Kit includes a 4x4 Antenna Array board with reference designs and documentation provided to enable integration of this array into locator and gateway designs. The Pro Kit provides all the necessary tools for developing high-volume, scalable Direction-Finding solutions.
BG22 Bluetooth Dual Polarized Antenna Array Pro Kit
The BG22 Bluetooth Dual Polarize Antenna Array Pro kit is designed for evaluation and development of Angle of Arrival (AoA) and Angle of Departure (AoD) support provided in the Bluetooth 5.1 specification. The Pro Kit includes a 4x4 Antenna Array board with reference designs and documentation provided to enable integration of this array into locator and gateway designs. The Pro Kit provides all the necessary tools for developing high-volume, scalable Direction-Finding solutions.
EFR32BG22 Thunderboard Kit
The Thunderboard BG22 Kit (SLTB010A) is a small form-factor, optimized development platform for adding Bluetooth connectivity to battery-powered IoT products.
EFR32BG22 Thunderboard Kit
The Thunderboard BG22 Kit (SLTB010A) is a small form-factor, optimized development platform for adding Bluetooth connectivity to battery-powered IoT products.
BG22 Bluetooth Dual Polarized Antenna Array Radio Board
The kit provides a 4x4 Antenna Array board for evaluation and development of Angle of Arrival (AoA) and Angle of Departure (AoD) support provided in the Bluetooth 5.1 specification. Reference designs and documentation are provided to enable integration of this array into locator and gateway designs.
BG22 Bluetooth Dual Polarized Antenna Array Radio Board
The kit provides a 4x4 Antenna Array board for evaluation and development of Angle of Arrival (AoA) and Angle of Departure (AoD) support provided in the Bluetooth 5.1 specification. Reference designs and documentation are provided to enable integration of this array into locator and gateway designs.
Thunderboard Sense 2 Sensor-to-Cloud Advanced IoT Kit
Thunderboard Sense 2 is a compact development platform, featuring a range of sensors, allowing rapid prototyping of Bluetooth, Thread, and Zigbee IoT products.
Thunderboard Sense 2 Sensor-to-Cloud Advanced IoT Kit
Thunderboard Sense 2 is a compact development platform, featuring a range of sensors, allowing rapid prototyping of Bluetooth, Thread, and Zigbee IoT products.
EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm 5x5, QFN40 Radio Board
The Wireless Gecko SLWRB4182A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread and Bluetooth software stacks.
EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm 5x5, QFN40 Radio Board
The Wireless Gecko SLWRB4182A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread and Bluetooth software stacks.
EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm, 4x4 QFN32 Radio Board
The Wireless Gecko SLWRB4183A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm, 4x4 QFN32 Radio Board
The Wireless Gecko SLWRB4183A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.