EFR32MG22 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
- 512 kB flash program memory
- 32 kB RAM data memory
- 2.4 GHz radio operation
Radio Performance
- -102.3 dBm sensitivity @ 250 kbps O-QPSK
- -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 +8 dBm
Low System Energy Consumption
- 4.4 mA RX current (250 kbps O-QPSK DSSS)
- 4.3 mA RX current (1 Mbps GFSK)
- 4.8 mA TX current @ 0 dBm output power
- 10.6 mA TX current @ +8 dBm output power
- 26 μA/MHz in Active Mode (EM0)
- 1.40 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from LFRCO)
Wide Selection of MCU Peripherals
- 16-bit Analog to Digital Converter (ADC)
- Up to 24 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)
- RFSENSE with selective OOK mode
Supported Modulation Format
- 2 (G)FSK with fully configurable shaping
- O-QPSK DSSS
Protocol Support
- Zigbee PRO/Green Power
- Bluetooth Low Energy (Bluetooth 5.2)
- Bluetooth Mesh Low Power Node
Wide Operation Range
- 1.71 V to 3.8 V single power supply
- -40 °C to 105 °C
Regulatory Certifications
- FCC
- CE
- IC/ISEDC
- MIC/TELEC
- KCC
Dimensions
- 12.9 mm × 15.0 mm × 2.2 mm
Securing Your Zigbee 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 MGM220 module portfolio have access to a number of technologies designed to protect their product, including Secure Debug, Secure Boot with Root of Trust & Secure Loader.
MG220 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 MGM220 Module
Select Columns
Part Number | MCU | Core Frequency (MHz) | Flash | RAM | Cryptography | Output Power Range (dBm) | Zigbee Receive Sensitivity | GPIO | RX Current (mA) | UART | USART | I²C | SPI | ADC | Comparators | Timers (16-bit) | Temperature Range ºC | Package Type | Package Size (mm) | Wireless Standards |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ARM Cortex-M33 | 76.8 | 512 | 32 | AES-128 ECC SHA-1 SHA-2 | -27 8 | -102.3 | 24 | 4.4 | 3 | 2 | 2 | 2 | 16-bit | 0 | 4 | -40 105 | PCB | 12.9x15.0x2.2 | Zigbee Bluetooth |
Sort A -> Z
Sort Z -> A
Filter by values...
MGM220 Zigbee Module Wireless Starter Kit
The MGM220 Module Wireless Starter Kit (SLWSTK6104A) is an excellent starting point to get familiar with the MGM220P PCB module. It provides the necessary tools for developing ultra-low-power Zigbee end devices.

MGM220 Zigbee Module Wireless Starter Kit
The MGM220 Module Wireless Starter Kit (SLWSTK6104A) is an excellent starting point to get familiar with the MGM220P PCB module. It provides the necessary tools for developing ultra-low-power Zigbee end devices.
MGM220PC22 Zigbee Module +8 dBm Radio Board
The MGM220PC22 +8 dBm SLWRB4311B module wireless radio board plugs into the Main Board provided with the MGM220 Starter Kit.

MGM220PC22 Zigbee Module +8 dBm Radio Board
The MGM220PC22 +8 dBm SLWRB4311B module wireless radio board plugs into the Main Board provided with the MGM220 Starter Kit.