Overview
The BLUENRG-355VC is an ultra-low power programmable Bluetooth Low Energy (BLE) wireless System-on-Chip (SoC) solution developed by STMicroelectronics. This device is part of the BlueNRG-LP family and is designed to provide unparalleled performance with extremely long battery life. It is compliant with the Bluetooth Low Energy SIG core specification version 5.2, supporting point-to-point connectivity and Bluetooth Mesh networking. The BLUENRG-355VC integrates a Cortex-M0+ microcontroller that can operate up to 64 MHz and includes a BlueNRG core coprocessor for BLE timing-critical operations.
Key Specifications
| Parameter | Specification |
|---|---|
| Bluetooth Version | Bluetooth 5.2 |
| Data Rates | 2 Mbps, 1 Mbps, 500 kbps, 125 kbps |
| RF Frequency | 2.4 GHz |
| Microcontroller | Cortex-M0+ up to 64 MHz |
| Memory | 256 Kbytes Flash, 64 Kbytes RAM, 1 Kbyte OTP, 7 Kbytes ROM |
| Communication Interfaces | 1x SPI, 2x SPI/I2S, 1x LPUART, 1x USART, 2x I2C, 1x PDM |
| ADC | 12-bit ADC with 8 external and 3 internal channels |
| Power Supply | 1.7 V to 3.6 V |
| Operating Temperature | -40 °C to 105 °C |
| Package | WLCSP49 |
| I/Os | Up to 30 I/Os |
Key Features
- Support for Bluetooth Low Energy 5.2 specifications, including 2 Mbps data rate, long range (Coded PHY), advertising extensions, and GATT caching.
- Ultra-low power radio performance with modes such as SHUTDOWN (10 nA), DEEPSTOP (0.6 µA with external LSE and BLE wake-up sources), and dynamic current consumption (18 µA/MHz).
- Integrated balun and support for external PA.
- Enhanced security features including true random number generator (RNG), AES 128-bit security co-processor, public key accelerator (PKA), and CRC calculation unit.
- High-speed and flexible memory types with DMA support.
- Advanced communication interfaces including SPI, I2S, LPUART, USART, and I2C.
- Integrated 12-bit ADC, low-power RTC, and 16-bit timer.
- High efficiency SMPS step-down converter and integrated PDR circuitry.
Applications
- IoT devices requiring low power consumption and long battery life.
- Bluetooth Mesh networking applications.
- Industrial automation and control systems.
- Health and fitness devices.
- Smart home and building automation.
- Wearable devices and mobile accessories.
Q & A
- What is the Bluetooth version supported by the BLUENRG-355VC?
The BLUENRG-355VC supports Bluetooth 5.2.
- What are the data rates supported by the BLUENRG-355VC?
The device supports data rates of 2 Mbps, 1 Mbps, 500 kbps, and 125 kbps.
- What type of microcontroller is integrated into the BLUENRG-355VC?
The device includes a Cortex-M0+ microcontroller that can operate up to 64 MHz.
- What is the memory configuration of the BLUENRG-355VC?
The device has 256 Kbytes of Flash memory, 64 Kbytes of RAM, 1 Kbyte of OTP memory, and 7 Kbytes of ROM.
- What are the power consumption modes of the BLUENRG-355VC?
The device features ultra-low power modes including SHUTDOWN (10 nA), DEEPSTOP (0.6 µA), and dynamic current consumption (18 µA/MHz).
- What security features are included in the BLUENRG-355VC?
The device includes a true random number generator (RNG), AES 128-bit security co-processor, public key accelerator (PKA), and CRC calculation unit.
- What communication interfaces are available on the BLUENRG-355VC?
The device supports SPI, I2S, LPUART, USART, and I2C interfaces.
- What is the operating temperature range of the BLUENRG-355VC?
The device operates in the temperature range of -40 °C to 105 °C.
- What package options are available for the BLUENRG-355VC?
The device is available in a WLCSP49 package.
- What are some typical applications of the BLUENRG-355VC?
Typical applications include IoT devices, Bluetooth Mesh networking, industrial automation, health and fitness devices, smart home devices, and wearable devices.
