EFR32MG24 Common Specs
Low Power Wireless System-on-Chip
- High Performance 32-bit 78.0 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- Up to 1536 kB flash program memory
- Up to 256 kB RAM data memory
- 2.4 GHz radio operation
Radio Performance
- -105.4 dBm sensitivity @ 250 kbps OQPSK DSSS
- -105.7 dBm sensitivity @ 125 kbps GFSK
- -97.6 dBm sensitivity @ 1 Mbit/s GFSK
- -94.8 dBm sensitivity @ 2 Mbit/s GFSK
- TX power up to 19.5 dBm
Low System Energy Consumption
- 4.4 mA RX current (1 Mbps GFSK)
- 5.1 mA RX current (250 kbps OQPSK DSSS)
- 5 mA TX current @ 0 dBm output power
- 19.1 mA TX current @ 10 dBm output power
- 156.8 mA TX current @ 19.5 dBm output power
- 33.4 μA/MHz in Active Mode (EM0) at 39.0 MHz
- 1.3 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
Wide Selection of MCU Peripherals
- Analog to Digital Converter (IADC)
- 12-bit @ 1 Msps or 16-bit @ 76.9 ksps
- Select OPNs support High Speed Mode (up to 2 Msps) and High Accuracy Mode (up to 16 bits ENOB at 3.8 ksps)
- 2 × Analog Comparator (ACMP)
- 2 × Digital to Analog Converter (VDAC)
- Up to 32 General Purpose I/O pins with output state retention and asynchronous interrupts
- 8 Channel DMA Controller (LDMA)
- 16 Channel Peripheral Reflex System (PRS)
- 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4)
- 2 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1)
- 32-bit Real Time Counter (SYSRTC)
- 24-bit Low Energy Timer for waveform generation (LETIMER)
- 16-bit Pulse Counter with asynchronous operation (PCNT)
- 2 × Watchdog Timer (WDOG)
- 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
- 2 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/IrDA
- 2 × I2C interface with SMBus support
- Low-Frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
- Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
- 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
- Matter
- OpenThread
- Zigbee
- BLE
- Bluetooth mesh
- Proprietary 2.4 GHz
- Multiprotocol
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
- QFN48 6 mm × 6 mm × 0.85 mm
Securing Your IoT 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 EFR32MG24 family have access to the highest level of IoT security provided by Secure Vault.
MG24 Security Features
- Hardware Cryptographic Acceleration for AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA+ECDH (P-192, P-256, P-384, P-521), Ed25519 and Curve25519, J-PAKE, PBKDF2
- True Random Number Generator (TRNG)
- ARM® TrustZone®
- Secure Boot (Root of Trust Secure Loader)
- Secure Debug Unlock
- DPA Countermeasures
- Secure Key Management with PUF
- Anti-Tamper Secure Attestation
Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT
You can start developing Matter solutions using Silicon Labs SoCs
Find the Right EFR32MG24 Device
Select Columns
| Part Number | MCU | Core Frequency (MHz) | Flash | RAM | Secure Vault | AI/ML Acceleration | Cryptography | Output Power Range (dBm) | GPIO | I²C | SPI | I²S | Timers (16-bit) | Temperature Range ºC | Package Type | Package Size (mm) | Wireless Standards |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM Cortex-M33 | 78 | 1024 | 128 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 28 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 28 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | High | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 28 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 192 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 192 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 192 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 192 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1024 | 128 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 28 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 10 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 26 | 2 | 3 | 1 | 3 | -40 125 | QFN40 | 5x5 | Thread Zigbee Bluetooth | ||
| ARM Cortex-M33 | 78 | 1536 | 256 | Mid | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 19.5 | 32 | 2 | 3 | 1 | 3 | -40 125 | QFN48 | 6x6 | Thread Zigbee Bluetooth |
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EFR32xG24 Explorer Kit
The EFR32xG24 Explorer Kit is small form factor development and evaluation platform based on the EFR32MG24 System-on-Chip. The EFR32xG24 Explorer Kit is focused on rapid prototyping and concept creation of IoT applications for 2.4 GHz wireless protocols including Bluetooth LE, Bluetooth mesh, Zigbee, Thread, and Matter.
EFR32xG24 Explorer Kit
The EFR32xG24 Explorer Kit is small form factor development and evaluation platform based on the EFR32MG24 System-on-Chip. The EFR32xG24 Explorer Kit is focused on rapid prototyping and concept creation of IoT applications for 2.4 GHz wireless protocols including Bluetooth LE, Bluetooth mesh, Zigbee, Thread, and Matter.
EFR32xG24 Pro Kit +10 dBm
The EFR32xG24 +10 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
EFR32xG24 Pro Kit +10 dBm
The EFR32xG24 +10 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
EFR32xG24 Pro Kit +20 dBm
The EFR32xG24 +20 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread and Matter.
EFR32xG24 Pro Kit +20 dBm
The EFR32xG24 +20 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread and Matter.
EFR32xG24 Dev Kit
The EFR32xG24 Dev Kit is a compact, feature-packed development platform. It provides the fastest path to develop and prototype wireless IoT products. The development platform supports up to +10 dBm output power and includes support for the 20-bit ADC as well as other key features.
EFR32xG24 Dev Kit
The EFR32xG24 Dev Kit is a compact, feature-packed development platform. It provides the fastest path to develop and prototype wireless IoT products. The development platform supports up to +10 dBm output power and includes support for the 20-bit ADC as well as other key features.
EFR32xG24 Wireless 2.4 GHz +20 dBm Radio Board
The EFR32xG24 +20 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
EFR32xG24 Wireless 2.4 GHz +20 dBm Radio Board
The EFR32xG24 +20 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
Pro Kit Mainboard Accessory Kit
The accessory kit enables the use of the Pro Kit Mainboard (BRD4002A) as a stand-alone debug adapter for custom hardware. It includes a mini-simplicity 10-pin flat cable which provides AEM (energy monitoring), SWD interface, VCOM (UART bridge) and PTI (Packet Trace Interface) support. Additionally it also includes the necessary wire harness and hooks for the on-board logic analyzer.
Pro Kit Mainboard Accessory Kit
The accessory kit enables the use of the Pro Kit Mainboard (BRD4002A) as a stand-alone debug adapter for custom hardware. It includes a mini-simplicity 10-pin flat cable which provides AEM (energy monitoring), SWD interface, VCOM (UART bridge) and PTI (Packet Trace Interface) support. Additionally it also includes the necessary wire harness and hooks for the on-board logic analyzer.
EFR32xG24 Wireless 2.4 GHz +20 dBm Antenna Diversity Radio Board
The EFR32xG24 +20 dBm Antenna Diversity Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz 802.15.4 protocols including OpenThread and Zigbee.
EFR32xG24 Wireless 2.4 GHz +20 dBm Antenna Diversity Radio Board
The EFR32xG24 +20 dBm Antenna Diversity Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz 802.15.4 protocols including OpenThread and Zigbee.
EFR32xG24 Wireless 2.4 GHz +10 dBm Radio Board
The EFR32xG24 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
EFR32xG24 Wireless 2.4 GHz +10 dBm Radio Board
The EFR32xG24 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.