Overview
The BlueNRG-LP, specifically the BLUENRG-345MC model, is an ultra-low power programmable Bluetooth Low Energy (BLE) wireless System-on-Chip (SoC) solution developed by STMicroelectronics. This device integrates state-of-the-art 2.4 GHz RF radio IPs, ensuring unparalleled performance and extremely long battery life. It is compliant with Bluetooth Low Energy SIG core specification version 5.2, supporting point-to-point connectivity and Bluetooth Mesh networking. The BlueNRG-LP also supports 2.4 GHz proprietary radio wireless communication for ultra-low latency applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Bluetooth Version | Bluetooth 5.2 |
| Data Rates | 2 Mbps, 1 Mbps, 500 kbps, 125 kbps |
| Radio Frequency | 2.4 GHz |
| Microcontroller | Cortex-M0+ up to 64 MHz |
| Memory | 256 Kbytes Flash, 64 Kbytes RAM, 1 Kbyte OTP, 7 Kbytes ROM |
| Power Supply | 1.7 V to 3.6 V |
| Temperature Range | -40 °C to 105 °C |
| Package | VFQFPN 48 (6x6 mm) |
| IOs | Up to 32 fast I/Os |
| ADC | 12-bit ADC with 8 external and 3 internal channels |
| Communication Interfaces | 1x SPI, 2x SPI/I2S, 1x LPUART, 1x USART, 2x I2C, 1x PDM |
| Security Features | True RNG, AES 128-bit co-processor, PKA, CRC calculation unit, 64-bit unique ID |
Key Features
- Support for Bluetooth Low Energy 5.2 specifications including 2 Mbps data rate, long range (Coded PHY), advertising extensions, and GATT caching.
- BlueNRG core coprocessor for Bluetooth Low Energy timing critical operations.
- 2.4 GHz proprietary radio driver for ultra-low latency applications.
- High-performance and ultra-low power Cortex-M0+ microcontroller running up to 64 MHz.
- Ultra-low power modes: 10 nA in SHUTDOWN mode, 0.6 µA in DEEPSTOP mode with external LSE and BLE wake-up sources.
- Integrated balun and support for external PA.
- Enhanced security features including true random number generator, AES 128-bit security co-processor, and public key accelerator.
- High-speed and flexible memory types: Flash, RAM, OTP, and ROM.
- Advanced communication interfaces: SPI, I2S, LPUART, USART, I2C, and PDM.
Applications
The BlueNRG-LP is suitable for a wide range of applications, including:
- Industrial automation and control systems.
- Personal electronics such as wearables and fitness trackers.
- Smart home devices and IoT applications.
- Medical devices requiring low power and reliable connectivity.
- Automotive systems for vehicle-to-everything (V2X) communication.
Q & A
- What is the Bluetooth version supported by the BlueNRG-LP?
The BlueNRG-LP supports Bluetooth Low Energy version 5.2. - What are the data rates supported by the BlueNRG-LP?
The device supports data rates of 2 Mbps, 1 Mbps, 500 kbps, and 125 kbps. - What is the operating temperature range of the BlueNRG-LP?
The operating temperature range is from -40 °C to 105 °C. - What types of memory are available on the BlueNRG-LP?
The device includes 256 Kbytes of Flash memory, 64 Kbytes of RAM, 1 Kbyte of OTP memory, and 7 Kbytes of ROM. - What are the key security features of the BlueNRG-LP?
The device includes a true random number generator, AES 128-bit security co-processor, public key accelerator, and CRC calculation unit. - What communication interfaces are available on the BlueNRG-LP?
The device supports SPI, I2S, LPUART, USART, I2C, and PDM interfaces. - How does the BlueNRG-LP manage power consumption?
The device features ultra-low power modes, including SHUTDOWN and DEEPSTOP modes, and a high-efficiency SMPS step-down converter. - What is the maximum output power of the BlueNRG-LP?
The programmable output power can be up to +8 dBm at the antenna connector. - Is the BlueNRG-LP compliant with any specific radio frequency regulations?
Yes, it is compliant with regulations such as ETSI EN 300 328, EN 300 440, FCC CFR47 part 15, and ARIB STD-T66. - What are the package options available for the BlueNRG-LP?
The device is available in VFQFPN 48, VFQFPN 32, and WLCSP packages.
