SILICON LABS EFR32MG24A021F1024IM40-B

The EFR32MG24 Wireless SoCs are ideal for mesh IoT wireless connectivity using Matter, OpenThread and Zigbee. 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 smart, robust, and energy-efficient products that are secure from remote and local cyber-attacks. A Cortex -M33 running up to 78 MHz and up to 1536 kB of Flash and 256 kB of RAM provides resources for demanding applications while leaving room for future growth.

• 32-bit ARM Cortex -M33 core with 78 MHz maximum operating frequency
• Up to 1536 kB of flash and 256 kB of RAM
• High performance radio with up to +19.5 dBm output power
• Energy efficient design with low active and sleep currents
• Secure Vault
• AI/ML Hardware Accelerator
• Low Power Wireless System-on-Chip
• High Performance 32-bit 78 MHz ARM Cortex -M33 with DSP instruction and floating-point unit for efficient signal processing
• 2.4 GHz radio operation
• Matrix Vector Processor for AI/ML acceleration
• -105.4 dBm sensitivity @ 250 kbps O-QPSK DSSS
• -105.7 dBm sensitivity @ 125 kbps GFSK
• -97.6 dBm sensitivity @ 1 Mbps GFSK
• -94.8 dBm sensitivity @ 2 Mbps GFSK
• TX power up to 19.5 dBm
• 4.4 mA RX current (1 Mbps GFSK)
• 5.1 mA RX current (250 kbps O-QPSK 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)
• 2 (G)FSK with fully configurable shaping
• OQPSK DSSS
• (G)MSK
• Matter
• OpenThread
• Zigbee
• Bluetooth Low Energy (BLE 5.3)
• Bluetooth Mesh
• Proprietary 2.4 GHz
• Multiprotocol
• Direction finding using Angle-of-Arrival (AoA) and Angle-ofDeparture (AoD)
• 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
• 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)
• 2x Analog Comparator (ACMP)
• 2x 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)
• 3x16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4)
• 2x32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1)
• 2x32-bit Real Time Counter (SYSRTC/BURTC)
• 24-bit Low Energy Timer for waveform generation (LETIMER)
• 16-bit Pulse Counter with asynchronous operation (PCNT)
• 2x Watchdog Timer (WDOG)
• 1x Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/ I2S
• 2x Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/ IrDA
• 2x 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
• 1.71 to 3.8 single power supply
• -40 °C to 125 °C

• Smart Home - Gateways and hubs, sensors, switches, door locks, smart plugs
• Lighting - LED bulbs, luminaires
• Building Automation - Gateways, sensors, switches, location services
• AI/ML - Predictive maintenance, glass break detection, wake-word detection