Silicon Labs

EFR32MG24 | Multiprotocol Wireless SoC

EFR32MG24
These Wireless SoCs are ideal for mesh IoT wireless connectivity using Matter, OpenThread and Zigbee.
EFR32MG24 | Multiprotocol Wireless SoC
Product Description

The EFR32MG24 Wireless SoCs are ideal for mesh IoT wireless connectivity using Matter, OpenThread and Zigbee protocols for smart home, lighting, and building automation products. With key features like high performance 2.4 GHz RF, low current consumption, an AI/ML hardware accelerator and Secure Vault, IoT device makers can create the smart, robust, and energy-efficient products that are secure from remote and local cyber-attacks. An ARM Cortex®-M33 running up to 78 MHz and up to 1.5 MB of Flash and 256 kB of RAM  provides resources for demanding applications while leaving room for future growth. Target applications include gateways and hubs, sensors, switches, door locks, LED bulbs, luminaires, location services, predictive maintenance, glass break detection, wake-word detection, and more.

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
  • -104.5 dBm sensitivity @ 250 kbps O-QPSK DSSS
  • -104.9 dBm sensitivity @ 125 kbps GFSK
  • -97.5 dBm sensitivity @ 1 Mbit/s GFSK
  • -94.4 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 O-QPSK DSSS)
  • 5.1 mA TX current @ 0 dBm output power
  • 20 mA TX current @ 10 dBm output power
  • 155 mA TX current @ 19.5 dBm output power
  • 32.2 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 +/-TBD degree 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

*Silicon Labs Authorized Distributor
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