SILICON LABS EFR32MG21A020F1024IM32-BR

The Mighty Gecko multiprotocol family of SoCs is part of the Wireless Gecko portfolio. Mighty Gecko SoCs are ideal for enabling energy-friendly multiprotocol, multiband networking for IoT devices. The single-die solution combines an 80 MHz ARM Cortex-M33 with a high performance 2.4 GHz radio to provide an industry-leading, energy efficient wireless SoC for IoT connected applications.

• 32-bit ARM Cortex-M33 core with 80 MHz maximum operating frequency
• Up to 1024 kB of flash and 96 kB of RAM
• 12-channel Peripheral Reflex System enabling autonomous interaction of MCU peripherals
• Integrated PA with up to 20 dBm (2.4 GHz) TX power
• Robust peripheral set and up to 20 GPIO in a 4x4 QFN package
• Low Power Wireless System-on-Chip
• High Performance 32-bit 80 MHz ARM Cortex-M33 with DSP instruction and floating-point unit for efficient signal processing
• 2.4 GHz radio operation
• Low Energy Consumption
• 8.8 mA RX current at 2.4 GHz (1 Mbps GFSK)
• 9.4 mA RX current at 2.4 GHz (250 kbps O-QPSK DSSS)
• 9.3 mA TX current @ 0 dBm output power at 2.4 GHz
• 33.8 mA TX current @ 10 dBm output power at 2.4 GHz
• 50.9 μA/MHz in Active Mode (EM0)
• 5.0 μA EM2 DeepSleep current (96 kB RAM retention and RTC running from LFXO)
• 4.5 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
• High Receiver Performance
• -104.5 dBm sensitivity @ 250 kbps O-QPSK DSSS
• -97.5 dBm sensitivity @ 1 Mbit/s GFSK
• -94.4 dBm sensitivity @ 2 Mbit/s GFSK
• -104.9 dBm sensitivity @ 125 kbps GFSK
• Supported Modulation Formats
• GFSK OQPSK
• Protocol Support
• Bluetooth Low Energy (Bluetooth 5)
• Zigbee
• Thread
• Wide selection of MCU peripherals
• 12-bit 1 Msps SAR Analog to Digital Converter (ADC)
• 2x Analog Comparator (ACMP)
• Up to 20 General Purpose I/O pins with output state retention and asynchronous interrupts
• 8 Channel DMA Controller
• 12 Channel Peripheral Reflex System (PRS)
• 2x16-bit Timer/Counter
• 3 Compare/Capture/PWM channels
• 1x32-bit Timer/Counter
• 3 Compare/Capture/PWM channels
• 32-bit Real Time Counter
• 24-bit Low Energy Timer for waveform generation
• 2x Watchdog Timer
• 3x Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard(ISO 7816)/IrDA/I2S)
• 2x120 interface with SMBus support
• Wide Operating Range
• 1.71 to 3.8 V single power supply
• -40 to 125 °C ambient
• Security
• Secure Boot with Root of Trust and Secure Loader (RTSL)
• Hardware Cryptographic Acceleration with DPA countermeasures for AES128/256, SHA-1, SHA-2 (up to 256-bit), ECC (up to 256-bit), ECDSA, ECDH and J-Pake
• True Random Number Generator (TRNG) compliant with NIST SP800-90 and AIS-31
• ARM TrustZone
• Secure Debug with lock/unlock

• IoT Multi-Protocol Devices
• Lighting
• Connected Home
• Gateways and Digital Assistants
• Building Automation and Security