SILICON LABS EFR32BG21B020F768IM32-B RF IC, 80MHz, ARM Cortex-M33F, EFR32 Family, QFN-32

EFR32BG21B020F768IM32-B EFR32BG21 series 2 wireless SoC includes a 80MHz ARM Cortex-M33 core, providing plenty of processing capability and an integrated security subsystem provides leading security features that greatly reduce the risk of IoT security breaches and compromised intellectual property. The device includes Secure Vault, 768BK of flash, 64KB of RAM and is available in a QFN32 package. With up to 20dBm maximum power output and an excellent receive sensitivity of -97 (1Mbit/s GFSK) dBm, this provides a robust RF link for reliable communications for Bluetooth 5.1 and Bluetooth mesh applications. It uses simplicity studio 5 development tools, providing easy migration and fast time-to-market with development kits, SDKs, mobile apps and our patented network analyser. Typical applications are lighting, connected home, gateways and digital assistants, building automation and security.

• Integrated PA with up to 20dBm (2.4GHz) TX power
• 12-channel peripheral reflex system enabling autonomous interaction of MCU peripherals
• Up to 20 general purpose I/O pins with output state retention and asynchronous interrupts
• 1.71V to 3.8V single power supply
• DPA Countermeasures, secure key management with PUF, anti-tamper, secure attestation secure vault
• 32bit real time counter, 24-bit low energy timer for waveform generation
• Ambient temperature range from -40°C to 125°C
• 12bit 1Msps SAR analogue to digital converter (ADC), 2 Ã� analogue comparator (ACMP)
• 50.9µA/MHz in active mode (EM0), 5.0µA EM2 DeepSleep current
• 2.4GHz radio operation, TX power up to 20dBm