Overview
The BlueNRG-MS is a very low power Bluetooth Low Energy (BLE) single-mode network processor, compliant with the Bluetooth specification v4.2. Developed by STMicroelectronics, this device supports multiple roles simultaneously, acting as both a Bluetooth smart sensor and a hub device. The Bluetooth Low Energy stack runs on an embedded ARM Cortex-M0 core, stored in on-chip non-volatile Flash memory, which can be easily upgraded via SPI. The BlueNRG-MS is pre-programmed with a production-ready stack image, and users can download and update the stack image from the ST website using provided software tools. This device is designed to meet the stringent peak current requirements of standard coin cell batteries, ensuring low average current consumption and extended battery life.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bluetooth Specification | v4.2 | |
| Operating Supply Voltage | 1.7 to 3.6 | V |
| Maximum TX Current | 8.2 mA (@0 dBm, 3.0 V) | |
| Current Consumption (Active BLE Stack) | Down to 1.7 μA | |
| Output Power | Up to +8 dBm | |
| RF Link Budget | Up to 96 dB | |
| Operating Temperature Range | -40 to 85 | °C |
| Package Options | QFN32 (5x5 mm), WLCSP34 (2.66x2.56 mm) | |
| Clock Oscillators | 16 or 32 MHz crystal, 12 MHz ring, 32 kHz crystal, 32 kHz ring |
Key Features
- Bluetooth specification v4.2 compliant master and slave single-mode BLE network processor
- Embedded Bluetooth Low Energy protocol stack: GAP, GATT, SM, L2CAP, LL, RF-PHY
- Bluetooth Low Energy profiles provided separately
- Integrated linear regulator and DC-DC step-down converter
- Proprietary application controller interface (ACI), SPI based, for interfacing with external microcontrollers
- Full link controller and host security, including AES-128 encryption and decryption
- High performance, ultra-low power Cortex-M0 32-bit based architecture core
- Upgradable BLE stack stored in embedded Flash memory via SPI
- Low power modes and ultra-low power sleep modes
- Battery voltage monitor and compliance with various radio frequency regulations (ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, ARIB STD-T66)
Applications
- Watches and wearable devices
- Fitness, wellness, and sports equipment
- Consumer medical devices
- Security and proximity applications
- Remote control devices
- Home and industrial automation systems
- Assisted living devices
- Mobile phone peripherals and PC peripherals
Q & A
- What is the Bluetooth specification version supported by the BlueNRG-MS?
The BlueNRG-MS is compliant with Bluetooth specification v4.2.
- What is the operating supply voltage range of the BlueNRG-MS?
The operating supply voltage range is from 1.7 to 3.6 V.
- What is the maximum TX current of the BlueNRG-MS?
The maximum TX current is 8.2 mA at 0 dBm output power and 3.0 V supply voltage.
- How does the BlueNRG-MS manage power consumption?
The device features ultra-low power sleep modes and very short transition times between operating modes, resulting in very low average current consumption and extended battery life.
- What are the package options available for the BlueNRG-MS?
The BlueNRG-MS is available in QFN32 (5x5 mm) and WLCSP34 (2.66x2.56 mm) packages.
- Can the BLE stack on the BlueNRG-MS be upgraded?
Yes, the BLE stack stored in the embedded Flash memory can be easily upgraded via SPI.
- What security features does the BlueNRG-MS include?
The device includes full link controller and host security, including AES-128 encryption and decryption.
- How does the BlueNRG-MS interface with external microcontrollers?
The device uses a proprietary application controller interface (ACI) based on a standard SPI interface to interface with external microcontrollers.
- What are some common applications of the BlueNRG-MS?
Common applications include watches, fitness and wellness devices, consumer medical devices, security and proximity applications, remote control devices, and home and industrial automation systems.
- What is the operating temperature range of the BlueNRG-MS?
The operating temperature range is from -40 to 85 °C.
