Bluetooth® 5.x Wireless SoC – 2.4 GHz wireless System-on-Chip (SoC) featuring an Arm® Cortex®-M33 processor for Bluetooth Low Energy (BLE), wearable devices, smart home products, industrial IoT, medical devices, and battery-powered embedded applications. Operates at up to 76.8 MHz with 768 KB Flash memory, 64 KB RAM, and a high-performance 2.4 GHz radio supporting Bluetooth 5.x, LE 2M PHY, LE Long Range, Bluetooth Mesh, and Direction Finding (AoA Transmitter). Features +4 dBm transmit power, −106.7 dBm receiver sensitivity, 19 GPIOs, DC-DC buck/boost converter, Secure Vault™ Mid security, AES hardware cryptography, TRNG, secure boot, and multiple communication interfaces including I²C, SPI, UART/USART, I²S, PWM, IrDA, and JTAG. Operates from a 1.71 V to 3.8 V supply, with 3.6 mA receive current and 4.1 mA to 11.3 mA transmit current, and is specified for operation over a −40°C to +85°C temperature range. Packaged in a compact 39-ball WLCSP (2.63 × 2.29 mm). The DigiKey-listed part is discontinued, with the -BR (Tape & Reel) version recommended as the replacement. #SiliconLabs #EFR32BG27C320F768GJ39B #EFR32BG27 #BluetoothSoC #WirelessMCU #CortexM33 #Bluetooth5 #BluetoothMesh #DirectionFinding #IoT #SecureVault #EmbeddedSystems

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