Overview
The BlueNRG-1, specifically the BLUENRG-134 model from STMicroelectronics, is a very low power Bluetooth low energy (BLE) single-mode system-on-chip. It is compliant with Bluetooth v5.2 specifications and extends the features of the award-winning BlueNRG network processor. This SoC enables the use of the embedded Arm Cortex-M0 core to run user application code, making it highly versatile for various applications. The BlueNRG-1 includes 160 kB of programming Flash memory, 24 kB of static RAM memory with retention, and standard communication interface peripherals such as SPI, UART, and I²C. It also features multifunction timers, watchdog, RTC, and a DMA controller, along with an ADC for interfacing with analog sensors and a digital filter for processing PDM streams.
Key Specifications
| Specification | Details |
|---|---|
| Bluetooth Version | Bluetooth v5.2 certified |
| Roles Supported | Central, peripheral, and multiple simultaneous roles |
| Operating Supply Voltage | 1.7 to 3.6 V |
| Operating Temperature Range | -40 °C to 105 °C |
| Processor Core | Arm Cortex-M0 32-bit |
| Flash Memory | 160 kB |
| RAM | 24 kB with retention (two 12 kB banks) |
| Communication Interfaces | 1 x UART, 1 x SPI, 2 x I²C |
| GPIOs | 14 or 15 |
| Timers | 2 x multifunction timers |
| ADC | 10-bit ADC with battery voltage and temperature sensors |
| Power Consumption | Down to 1 µA in sleep mode with active BLE stack |
| Output Power | Up to +8 dBm available output power (at antenna connector) |
| RF Link Budget | Up to 96 dB |
| Package Options | VFQFPN32 and WLCSP34 |
Key Features
- Bluetooth Low Energy system-on-chip with Bluetooth v5.2 certification, supporting central, peripheral, and multiple simultaneous roles.
- LE Privacy 1.2 and LE Secure Connection support.
- Integrated linear regulator and high-efficiency DC-DC step-down converter for ultra-low power characteristics.
- High-performance, ultra-low power Arm Cortex-M0 32-bit based architecture core.
- Programmable 160 kB Flash memory and 24 kB RAM with retention.
- Standard communication interface peripherals: SPI, UART, and I²C.
- Multifunction timers, watchdog, RTC, and DMA controller.
- 10-bit ADC with battery voltage and temperature sensors.
- PDM stream processor and digital filter.
- Excellent RF performance with up to 96 dB RF link budget and accurate RSSI for power control.
- Low power consumption: down to 1 µA in sleep mode with active BLE stack.
- Suitable for applications compliant with various radio frequency regulations (ETSI EN 300 328, EN 300 440, FCC CFR47 part 15, ARIB STD-T66).
- Pre-programmed bootloader via UART.
Applications
- Automotive
- Communications equipment, computers, and peripherals
- Industrial automation
- Personal electronics
- Watches and fitness, wellness, and sports devices
- Consumer medical devices
- Security and proximity applications
- Remote control devices
- Home and industrial automation
- Assisted living devices
- Mobile phone peripherals
- Lighting systems
- PC peripherals
Q & A
- What is the Bluetooth version supported by the BlueNRG-1?
The BlueNRG-1 supports Bluetooth v5.2.
- What are the operating supply voltage and temperature ranges for the BlueNRG-1?
The operating supply voltage is from 1.7 to 3.6 V, and the operating temperature range is -40 °C to 105 °C.
- What type of processor core does the BlueNRG-1 use?
The BlueNRG-1 uses an Arm Cortex-M0 32-bit processor core.
- How much Flash and RAM memory does the BlueNRG-1 have?
The BlueNRG-1 has 160 kB of programmable Flash memory and 24 kB of RAM with retention.
- What communication interfaces are available on the BlueNRG-1?
The BlueNRG-1 includes SPI, UART, and I²C communication interfaces.
- What is the power consumption of the BlueNRG-1 in sleep mode?
The power consumption in sleep mode is down to 1 µA with the active BLE stack.
- What is the maximum output power available from the BlueNRG-1?
The maximum output power available is up to +8 dBm at the antenna connector.
- What are the package options for the BlueNRG-1?
The package options are VFQFPN32 and WLCSP34.
- Is the BlueNRG-1 compliant with various 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 types of applications can the BlueNRG-1 be used for?
The BlueNRG-1 can be used in automotive, industrial automation, personal electronics, watches, fitness devices, consumer medical devices, security and proximity applications, remote control devices, home and industrial automation, assisted living devices, mobile phone peripherals, lighting systems, and PC peripherals.
