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STMicroelectronics Introduces BlueNRG-LP Bluetooth® 5.2-Certified SoC, Extending Range, Throughput, Reliability and Security, evaluation boards available from Anglia

STMicroelectronics BlueNRG-2


STMicroelectronics has revealed its latest BlueNRG-LP Bluetooth® LE System-on-Chip (SoC), which leverages the latest Bluetooth features to increase communication range, raise throughput, strengthen security, and save power. The ultra-low-power radio is optimized to consume as little as 3.4mA in receive mode, just 4.3mA when transmitting, and less than 500nA when quietly waiting for wake-up events, cutting by half the size of battery needed in most applications and prolonging runtime.

BlueNRG-LP is the 3rd-generation Bluetooth SoC from STMicroelectronics and is the world’s first Bluetooth LE 5.2-certified SoC to support concurrent connections up to 128 nodes, enabling seamless low-latency control and monitoring of large numbers of connected devices, for instance from a stylish and intuitive smartphone app.

Combined with high RF-output power, which is programmable up to +8dBm, and excellent RF sensitivity up to -104dBm, the BlueNRG-LP radio SoC can now natively cover a much larger area in beacons, smart lighting, gaming, building automation, industrial and tracking applications. Furthermore, the communication range can be extended without limit by seamlessly adding Bluetooth LE Mesh, now fully certified and available as part of the comprehensive BlueNRG software and hardware ecosystem. In addition, BlueNRG-LP supports Bluetooth Long Range mode, which uses coded physical layers (Coded PHY) with Forward Error Connection (FEC) to extend radio-communication range up to hundreds of meters and increase reliability, as well as GATT (generic attribute) caching to connect quickly and efficiently.

BlueNRG-LP comes with STMicroelectronics third-generation Bluetooth Low Energy protocol stack certified to Core Specification 5.2 and designed to match its ultra-low-power architecture. The stack is provided as a free-of-charge and compiler-independent linkable library supported by multiple Integrated Development Environments (IDEs) and is optimized for small footprint, modularity, low latency, interoperability, and lifetime over-the-air upgradability. It supports features such as extended advertising and scanning, high-duty-cycle non-connectable advertising, extended packet length, and 2Mbit/s throughput.

BlueNRG-LP also supports L2CAP Connection-Oriented Channel (CoC), which eases large bidirectional data transfers, multi-role simultaneous connectivity, and Channel Selection Algorithm #2 (CSA #2), which permits robust connections in noisy environments such as home, building, or industrial networks.

Enhanced security mechanisms included in the integrated Arm® Cortex®-M0+ microcontroller (MCU) comprise a secure bootloader, readout protection for the entire 256KB embedded flash, a 48-bit unique ID, as well as customer key storage, true Random-Number Generator (RNG), hardware public-key accelerator (PKA), and a 128-bit AES cryptographic co-processor. The highly efficient processing unit executes code at up to 64MHz, consuming an amazingly tiny 18µA/MHz, and features industry-standard digital interfaces, multi-channel 12-bit ADC, an analog microphone interface with programmable gain amplifier, user and system timers and watchdog, and up to 31 5V-tolerant user-programmable I/O pins.

The BlueNRG-LP SoC also integrates an embedded RF balun, DC/DC converter, and capacitors for the HSE (High-Speed External) oscillator and internal low-speed ring oscillator, minimizing bill-of-materials (BOM) costs and simplifying circuit design.

BlueNRG-LP block diagram

BlueNRG-LP block diagram

BlueNRG-LP is available in a choice of 5mm x 5mm QFN32, 6mm x 6mm QFN48, and a miniature 3.14mm x 3.14mm WLCSP49 wafer-level package. With 32KB or 64KB RAM and a choice of temperature range up to 85°C or 105°C, designers get extra flexibility to choose a configuration that best meets their needs. The devices are covered by STMicroelectronics 10-year industrial longevity commitment, assuring users of long-term parts availability.

Evaluation Kit

STEVAL-IDB011V1 Evaluation Kit

Free Evaluation Board   
Key Features

  • Bluetooth LE system-on-chip supporting Bluetooth 5.2 specifications
    • 2 Mbps data rate
    • Long range (Coded PHY)
    • Advertising extensions
    • Channel selection algorithm #2
    • GATT caching
  • Radio
    • RX sensitivity level: -97 dBm @ 1 Mbps, -104 dBm @ 125 kbps (long range)
    • Programmable output power up to +8 dBm (at antenna connector)
    • Data rate supported: 2 Mbps, 1 Mbps, 500 kbps and 125 kbps
    • 128 physical connections
    • Integrated balun
    • Support for external PA
    • BlueNRG core coprocessor (DMA based) for Bluetooth Low Energy timing critical operation
    • 2.4 GHz proprietary radio driver
    • Suitable for systems requiring compliance with the following radio frequency regulations: ETSI EN 300 328, EN 300 440, FCC CFR47 part 15, ARIB STD-T66
  • Ultra-low power radio performance
    • 10 nA in SHUTDOWN mode (1.8 V)
    • 0.6 uA in DEEPSTOP mode (with external LSE and BLE wake-up sources, 1.8 V)
    • 0.9 uA in DEEPSTOP mode (with internal LSI and BLE wake-up sources, 1.8 V)
    • 4.3 mA peak current in TX (@ 0 dBm, 3.3 V)
    • 3.4 mA peak current in RX (@ sensitivity level, 3.3V)
  • High performance and ultra-low power Cortex-M0+ 32-bit, running up to 64 MHz
  • Dynamic current consumption: 18 µA/MHz
  • Operating supply voltage: from 1.7 to 3.6 V
  • Supply and reset management
    • High efficiency embedded SMPS step-down converter with intelligent bypass mode
    • Ultra-low power power-on-reset (POR) and power-down-reset (PDR)
    • Programmable voltage detector (PVD)
  • Clock sources
    • Fail safe 32 MHz crystal oscillator with integrated trimming capacitors
    • 32 kHz crystal oscillator
    • Internal low-power 32 kHz RO
  • On-chip Flash memory of 256 kB
  • On-chip RAM of 64 kB or 32 kB
  • One-time-programmable (OTP) memory area of 1 kB
  • Embedded UART bootloader
  • Ultra-low power modes with or without timer and RAM retention
  • Quadrature decoder
  • Enhanced security mechanisms such as:
    • Flash read/write protection
    • SWD disabling
    • Secure bootloader
  • Security features
    • True random number generator (RNG)
    • Hardware encryption AES maximum 128-bit security co-processor
    • HW public key accelerator (PKA)
    • CRC calculation unit
    • 64-bit unique ID
  • System peripherals
    • 1x DMA controller with 8 channels supporting ADC, SPI, I2C, USART and LPUART
    • 1x SPI + 2x SPI/I2S + 2x I2C (SMBus/PMBus)
    • 1x PDM (digital microphone interface)
    • 1x LPUART
    • 1x USART (ISO 7816 smartcard mode, IrDA, SPI Master and Modbus)
    • 1x independent WDG
    • 1x real time clock (RTC)
    • 1x independent SysTick
    • 1x 16-bit, 6 channel advanced timer
  • Up to 32 fast I/Os
    • 28 of them with wake-up capability
    • 31 of them 5 V tolerant
  • Analog peripherals
    • 12-bit ADC with 8 input channels, up to 16 bits with a decimation filter
    • Battery monitoring
    • Analog watchdog
    • Analog Mic I/F with PGA
  • Development support
    • Serial wire debug (SWD)
    • 4 breakpoints and 2 watchpoints

The STEVAL-IDB011V1 evaluation platform is designed to help you develop and test Bluetooth® low energy applications using the low power BlueNRG-LP system-on-chip in combination with inertial and environmental MEMS sensors and digital MEMS microphone, and various interface buttons and LEDs.

Features of the STEVAL-IDB011V1 include:

  • Bluetooth® low energy evaluation board based on the BlueNRG-LP Bluetooth low energy system-on-chip (QFN48 package)
  • Associated BlueNRG-LP development kit SW package (STSW-BNRGLP-DK) including firmware and documentation
  • Up to +8 dBm programmable output power (at antenna connector)
  • Excellent receiver sensitivity (-96 dBm @1 Mbps, -103 dBm @125 bps long range)
  • Very low power consumption: 3.4 mA RX @ sensitivity level, and 4.3 mA TX @ +0 dBm
  • Supports master, slave, and simultaneous master-and-slave roles
  • Bluetooth low energy data length extension, 2 Mbps, long range and extended advertising and scanning
  • SMA connector for antenna or measuring equipment
  • Arduino R3 connectors
  • 3 user LEDs and 2 user buttons
  • MEMS digital accelerometer/gyroscope
  • MEMS digital pressure/temperature sensor
  • MEMS digital microphone
  • Embedded CMSIS-DAP debugger and drag & drop programming support

Anglia are offering customers a FREE Evaluation board for the BlueNRG-LP ultra-low power Bluetooth® LE System-on-Chip from STMicroelectronics, please fill in the form below to register your interest now.

To register for a FREE Evaluation board for the BlueNRG-LP ultra-low power Bluetooth® LE System-on-Chip 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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