STMicroelectronics – Bluetooth Low Energy SoC includes embedded microcontroller

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The new BlueNRG-2 from STMicroelectronics is a very low-power Bluetooth® Low Energy (BLE) System-on-Chip (SoC), offering a wider range of features than the earlier BlueNRG network processor. The SoC complies with the specifications of the Bluetooth 4.2 standard.

In particular, the BlueNRG-2 enables the use of an embedded ARM® Cortex®-M0 processor core for running user application code.

The BlueNRG-2 includes 256kbytes of programming Flash memory and 24kbytes of static RAM memory with retention. UART, I2C and serial peripheral interfaces provide for off-chip communication. The SoC also features multi- function timers, a watchdog timer, a real-time clock and DMA controller.

A 10-bit ADC is available for interfacing with analogue sensors, and for reading the measurements of the integrated battery monitor. A digital filter can process a PDM stream.

The BlueNRG-2 offers the same excellent RF performance with which users of the BlueNRG radio will be familiar. Its integrated high-efficiency DC-DC converter keeps the same ultra low-power characteristics, but the BlueNRG-2 draws a lower sleep-mode current than the BlueNRG, to extend battery run-times.

FEATURES

  • Supply-voltage range: 1.7V to 3.6V
  • Operating-temperature range: -40°C to 105°C
  • 14, 15 or 26 GPIOs
  • Battery voltage monitor
  • Up to 8dBm Transmit power at antenna connector
  • Up to 96dB RF link budget
  • 8.3mA Transmit current at -2dBm, 3.0V

APPLICATIONS

  • Fitness, wellness and sports equipment
  • Consumer medical devices
  • Security systems
  • Remote controls
  • Home and industrial automation
  • Lighting
  • PC peripherals

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Orderable Part Number: STEVAL-IDB008V1

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