STMicroelectronics BlueNRG-1 system-on-chip

The STMicroelectronics BlueNRG-1 system-on-chip contains a Bluetooth low energy radio. It is optimised to satisfy high-volume opportunities in the fast-growing Bluetooth low energy (Bluetooth Smart) market through the combination of energy efficiency and good radio performance.

The product’s ability to transition quickly between power-saving and active modes extends battery life from months to years in low-power smart sensors and connected devices like wearables, retail beacons, keyless entry systems, smart remote controllers, asset trackers, and industrial and medical monitors.

It features a 32 MHz 32-bit ARM Cortex-M0 core and delivers performance and efficiency for targeted applications. The product also includes 160 KB of on-chip flash memory, allowing designers to embed both the Bluetooth Low Energy 4.2 protocol stack and the application code; 24 KB of static RAM with retention (in two 12 KB banks); and SPI, UART, I2C standard communication interface peripherals.

The device benefits from an ultralow-power design, including support for fast wake-up and sleep transitions, and sub-1µA standby current. In addition to the device’s good link budget up to 96 dB, RF-output power is boosted to +8 dBm to ensure clear and reliable communication for optimum efficiency, even in noisy environments. The product is compliant with a range of RF regulations, including ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15 and ARIB STD-T66.