The EFR32MG21 highlighted features are listed below. • 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 • Up to 1024 kB flash program memory • Up to 96 kB RAM data memory • 2.4 GHz radio operation • TX power up to 20 dBm • 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) • 2 × 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) • 2 × 16-bit Timer/Counter • 3 Compare/Capture/PWM channels • 1 × 32-bit Timer/Counter • 3 Compare/Capture/PWM channels • 32-bit Real Time Counter • 24-bit Low Energy Timer for waveform generation • 2 × Watchdog Timer • 3 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard(ISO 7816)/IrDA/I2S) • 2 × I2C 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 • QFN32 4x4 mm Package • 0.4 mm pitch
SKU: EFR32MG21A010F1024IM32-BR
Categories: E-Components