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STMicroelectronics BlueNRG based Bluetooth modules ideal for IoT applications, evaluation board and samples available from Anglia

Bluetooth

The BlueNRG-M0 and BlueNRG-M2 from STMicroelectronics are easy to use Bluetooth SIG End-Product certified modules, and have obtained pre-certification across major worldwide regions. Bluetooth Low Energy modules allow fast time to market, huge engineering cost savings and come in a small form factor. The BLUENRG-M0A and BlueNRG-M0L modules are based on BlueNRG-MS network processor and supports Bluetooth v4.2 whilst the BlueNRG-M2SA and BlueNRG-M2SP modules are built around the BlueNRG-2 Low energy system-on-chip application processor and are provided with Bluetooth v5.0 certification. Both modules support multiple roles simultaneously, and can act at the same time as Bluetooth low energy sensor/slave and hub/master device.

The BlueNRG-M0 and BlueNRG-M2 modules both have the entire Bluetooth low energy stack and protocols embedded and have a complete RF platform, RF Balun, Radio, on board antenna, and high frequency crystal oscillators integrated to offer an overall hardware flexibility and scalability during product design. The BlueNRG modules are included in ST's 10-year longevity program.

BlueNRG-M0 Block Diagram

The BlueNRG-M0 module is equipped with Bluetooth low energy profiles in C source code, available for the STMicroelectronics radio BlueNRG-MS. The BlueNRG-MS radio embeds non-volatile Flash memory allows on-field stack upgrading. The external host application processor, where the application resides, is interfaced with the BlueNRG-M0 module through an application controller interface protocol, which is based on a standard SPI interface.

The BlueNRG-M0 module allows applications to meet of the tight advisable peak current requirements imposed with the use of standard coin cell batteries. Optimized results can be obtained when the embedded high-efficiency DC-DC step-down converter is used (BLUENRG-M0A).

BlueNRG-M2 Block Diagram

Free Evaluation   
Key Features

BlueNRG-M0 Module
  • Bluetooth v4.2 compliant
    • Supports master and slave modes
    • Multiple roles supported simultaneously
  • Embedded Bluetooth low energy protocol stack
    • GAP, GATT, SM, L2CAP, LL, RFPHY
  • Bluetooth low energy profiles provided separately
  • Embedded ST BlueNRG-MS network processor
    • Up to +8 dBm available output power
    • Down to -88 dBm Rx sensitivity
    • Up to 96 dB link budget with excellent link reliability
  • Host interface
    • SPI, IRQ, and RESET
    • On-field stack upgrading available via SPI
  • AES security co-processor
  • On-board chip antenna
  • Operating supply voltage: from 1.7 to 3.6 V
  • Operating temperature range: -40 °C to 85 °C
BlueNRG-M2 Module
  • Bluetooth v5.0 compliant
    • Supports master and slave modes
    • Multiple roles supported simultaneously
    • LE data packet length extension
  • Embedded ST BlueNRG-2 BLE SoC
    • High performance, ultra-low power Cortex-M0 32-bit based core
    • Programmable embedded 256 kB Flash
    • 24 kB embedded RAM with data retention
    • Up to +8 dBm available output power
    • Down to -88 dBm Rx sensitivity
    • Up to 96 dB link budget with excellent link reliability
  • Embedded BALF-NRG-02D3 integrated matched balun with harmonic filter
  • Interfaces
    • 1 x UART, 1 x I2C, 1xSPI, 14 x GPIO, 2 x multifunction timer, 10-bit ADC, watchdog and RTC, DMA controller, PDM stream processor, SWD debug interface
  • On-board chip antenna (BLUENRG-M2SA) or PCB antenna (BLUENRG-M2SP)
  • Small form factor: 11.5 mm x13.5 mm
  • Complemented with Bluetooth low energy protocol stack library (GAP, GATT, SM, L2CAP, LL)
  • AES security co-processor
  • Bluetooth low energy SDK with a wide range of available profiles
  • Pre-programmed UART bootloader
  • Operating supply voltage: from 1.7 to 3.6 V
  • Operating temperature range: -40 °C to 85 °C
M0 and M2 Module Certifications
  • CE qualified
  • FCC, IC modular approval certified
  • TYPE qualified
  • BQE qualified
Data

The BlueNRG-M2 is a Bluetooth low energy application processor module compliant with Bluetooth® v5.0. The BlueNRG-M2 module has been designed around the ST BlueNRG-2 SoC where its Cortex-M0 core can execute both Bluetooth protocols and the customer application. Optimized memory architecture includes 256 kB of Flash memory and 24 kB of ultra-low-leakage RAM (with full data retention). In the BLUENRG-M2SA module both 32 MHz and 32 kHz crystal oscillators are available. The module has been designed to leverage the BlueNRG-2 integrated DC-DC step down converter in order to achieve the best power consumption in active mode and it also embeds a high efficiency chip antenna. The module can be configured to support both application processor (host-less) and network processor (hosted) modes.

Based on the BlueNRG-2 SoC, the BlueNRG-M2 module leverages all the tools and documentation of its ecosystem: development kit, application notes, user manuals, design notes & Tips. A wide set of sample programs are also available in C source code. The BlueNRG-M2 module has a wide set of peripherals available for customer applications (1 x UART interface, 1 x SPI interface, 1 x I2C interface, 14 GPIO, 2 x multifunction timer, 10-bit ADC, watchdog & RTC, DMA controller, PDM stream processor)

The BlueNRG-M2 module allows applications to meet the tight advisable peak current requirements imposed with the use of standard coin cell batteries. Optimized results are obtained when the embedded high-efficiency DC-DC step-down converter is used (BLUENRG-M2SA). For the BLUENRG-M2SP the best performance in terms of power consumption is achieved using a 1.8 V DC power supply.

The BlueNRG-M0 and BlueNRG-M2 modules enable simple wireless connectivity into electronic devices, not requiring any RF experience or expertise for integration into the final product. The modules can be powered directly with a standard 3 V coin cell battery, a pair of AAA batteries or any power source from 1.7 to 3.6 V.

The modules are housed in a in a tiny surface mount form factor measuring just 13.5mm x 11.5mm with thickness of just 2.3mm typical. Their compact size makes them ideal for use in a wide range of applications including IoT sensors, wearables, medical devices, security, smart home, building and industrial automation.

Evaluation Kit

To support designers, STMicroelectronics have also released the X-NUCLEO-BNRG2A1 expansion board which provides Bluetooth low energy connectivity for developer applications and can be plugged onto an STM32 Nucleo development board (e.g., NUCLEO-L476RG with ultra-low power STM32 microcontroller) through its Arduino UNO R3 connectors.

The expansion board features the Bluetooth® v5.0 compliant and FCC certified BLUENRG-M2SP application processor module based on the ST BlueNRG-2 System-on-Chip. This SoC manages the complete Bluetooth low energy stack and protocols on its Cortex-M0 core and programmable Flash, which can accommodate custom applications developed using the SDK. The BLUENRG-M2SP module supports master and slave modes, increased transfer rates with data length extension (DLE), and AES-128 security encryption. The X-NUCLEO-BNRG2A1 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins, some of which can be configured by the hardware.

Anglia are offering customers a FREE evaluation board and samples of the BlueNRG-M0 and BlueNRG-M2 Bluetooth low energy modules from STMicroelectronics, please fill in the form below to register your interest now.

To register for a FREE evaluation board and samples of the BlueNRG-M0 and BlueNRG-M2 Bluetooth low energy modules from STMicroelectronics, please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.

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