EFR32MG22 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
- -102.3 dBm sensitivity @ 250 kbps GFSK
- -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
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 5.2)
- Direction finding using Angle-of-Arrival (AoA) and Angle-of-Departure (AoD)
- Bluetooth Mesh Low Power Node (512 kB parts only)
- Zigbee PRO/Green Power
- 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)
- (AEC-Q100 Certified options available)
- QFN32 4 mm × 4 mm × 0.85 mm
- (AEC-Q100 Certified options available)
- (AEC-Q100 Certified options available)
- TQFN32 4 mm × 4 mm × 0.30 mm
Security Features
- MG22
- 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
- MG22E
- 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 EFR32MG22 Device Select Columns
Part Number | Pricing | MCU | Core Frequency (MHz) | Flash | RAM | Cryptography | Output Power Range (dBm) | Receive Sensitivity | GPIO | RX Current (mA) | UART | USART | LEUART | I²C | SPI | I²S | ADC | Timers (16-bit) | Temperature Range ºC | Package Type | Package Size (mm) | AEC-Q100 Grade 1 | Wireless Standards | Multiprotocol |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1K @ US$1.84 | ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -102.1 (250 kbit/s OQPSK) | 18 | 3.9 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 4 | -40 85 | QFN32 | 4x4 | Zigbee Bluetooth | Switched Programmable | ||
1K @ US$1.84 | ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -102.1 (250 kbit/s OQPSK) | 18 | 3.9 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 4 | -40 125 | QFN32 | 4x4 | Zigbee Bluetooth | Switched Programmable | ||
1K @ US$1.92 | ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -102.1 (250 kbit/s OQPSK) | 26 | 3.9 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 4 | -40 125 | QFN40 | 5x5 | Zigbee Bluetooth | Switched Programmable | ||
1K @ US$1.85 | ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -102.1 (250 kbit/s OQPSK) | 18 | 3.9 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 4 | -40 125 | QFN32 | 4x4 | Zigbee Bluetooth | Switched Programmable | ||
1K @ US$1.93 | ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 AES-256 ECC SHA-1 SHA-2 | -28 6 | -102.1 (250 kbit/s OQPSK) | 26 | 3.9 | 3 | 2 | 0 | 2 | 2 | 2 | 12-bit, SAR, 1 Msps | 4 | -40 125 | QFN40 | 5x5 | Zigbee Bluetooth | Switched Programmable |
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