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
- 2 (G)FSK with fully configurable shaping
- OQPSK DSSS
- (G)MSK
Protocol Support
- Bluetooth Low Energy (Bluetooth 5.4)
- 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
- (AEC-Q100 Certified options available)
- QFN32 4 mm ×4 mm × 0.85 mm
- (AEC-Q100 Certified options available)
- TQFN32 4 mm × 4 mm × 0.30 mm
Security Features
- BG22
- 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
- BG22E
- 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®
Find the Right EFR32BG22 Device
Select Columns
Part Number | Pricing | MCU Core | Core Frequency (MHz) | Flash | RAM | AEC-Q100 Grade 1 | Bluetooth | Bluetooth Mesh | Cryptography | Output Power Range (dBm) | Receive Sensitivity | GPIO | RX Current (mA) | UART | USART | LEUART | I²C | SPI | I²S | Ambient Power | Timers (16-bit) | Temperature Range ºC | Package Type | Package Size (mm) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1K @ US$1.04 | ARM Cortex-M33 | 38.4 | 352 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 0 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | QFN32 | 4x4 | ||||
1K @ US$1.19 | ARM Cortex-M33 | 76.8 | 352 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | QFN32 | 4x4 | ||||
1K @ US$1.27 | ARM Cortex-M33 | 76.8 | 352 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | QFN40 | 5x5 | ||||
1K @ US$1.25 | ARM Cortex-M33 | 76.8 | 352 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | TQFN32 | 4x4 | ||||
1K @ US$- | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | QFN32 | 4x4 | ||||
1K @ US$1.41 | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | QFN40 | 5x5 | ||||
1K @ US$1.41 | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 85 | TQFN32 | 4x4 | ||||
1K @ US$1.41 | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 125 | QFN32 | 4x4 | ||||
1K @ US$1.48 | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 125 | QFN40 | 5x5 | ||||
1K @ US$1.43 | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 18 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 125 | QFN32 | 4x4 | ||||
1K @ US$1.49 | ARM Cortex-M33 | 76.8 | 512 | 32 | 5.4 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -98.9 (1 Mbit/s GFSK) | 26 | 3.6 | 3 | 2 | 0 | 2 | 2 | 2 | 4 | -40 125 | QFN40 | 5x5 |
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