BlueNRG-2 supports the Bluetooth 5.0 certification, which allows enhanced security with LE Secure Connections, power-efficient privacy with Link Layer Privacy 1.2, and up to 2.6-times higher throughput with LE Data Length Extension.
The SoC contains an Arm Cortex-M0 core operating at up to 32MHz to handle the Bluetooth stack and application processing, and integrates new features including a 32kHz ring oscillator, 24KB RAM and 256KB Flash program memory.
Reduced standby power is a further advantage, drawing just 0.9µA in sleep mode with active Bluetooth stack and full RAM retention.
Using the BlueNRG-M2SA module will greatly reduce engineering costs, according to ST, and enable designers to create wireless devices with minimal radio-frequency engineering expertise.
The STEVAL-IDB008V1M plug-and-play kit enables rapid evaluation and product development leveraging the BlueNRG-M2SA module. The board combines the BlueNRG-M2 module with sensors including a MEMS pressure and temperature sensor and motion sensors suitable for 9-axis sensor-fusion library. There is also a low-latency, low-power ADPCM codec, ready to use with BlueVoice middleware for voice over BLE streaming.
Arduino R3 connectors are provided, which allow access to all the module’s peripherals and enable users to further extend functionality by adding expansion shields. The associated development-software package, STSW-BLUENRG1-DK, contains a simple and intuitive BlueNRG-Navigator GUI (Graphical User Interface) that lets users bring their applications to life without an external programmer or hardware.
The kit also simplifies integration of the BlueNRG-M2SA module with ST’s STSW-BNRG-MESH software to explore emerging application opportunities in industrial and smart-building markets. STSW-BNRG-MESH implements the Bluetooth SIG Mesh Profile v1.0 to allow true two-way communication and range-extending mesh networks, with cyber-security leveraging integrated features of the BlueNRG-2 SoC.
With its operating temperature range of -40°C to 85°C and 5dBm RF output power, the BlueNRG-M2SA module can be powered directly with a pair of AAA batteries or any power source from 1.7 to 3.6 V. BlueNRG-M2SA is well suited for industrial applications and is supported by ST’s 10-Year Longevity Commitment program and Sustainable Technology program.
