Overview
The BLUENRG-355MC is a programmable Bluetooth Low Energy (BLE) 5.3 wireless System-on-Chip (SoC) developed by STMicroelectronics. This device is part of the BlueNRG series and is designed to provide ultra-low power consumption while maintaining high performance. The BLUENRG-355MC is compliant with the Bluetooth LE specification version 5.2, supporting features such as 2 Mbps data rate, long range (Coded PHY), advertising extensions, and channel selection algorithm #2. It integrates a 64 MHz, 32-bit ARM Cortex-M0+ core, 256 kB of programmable Flash memory, and 64 kB of SRAM, making it suitable for a wide range of applications requiring low power and high reliability.
Key Specifications
| Attribute | Specification |
|---|---|
| Data Rate | 2 Mbps |
| Certified | Yes |
| Sensitivity | -97 dBm @ 1 Mbps, -104 dBm @ 125 kbps (long range) |
| Frequency Range | 2.4 GHz to 2.4835 GHz |
| Supply Voltage | 1.7 V to 3.6 V |
| Power Dissipation | 30 mW |
| Operating Temperature Range | -40°C to +105°C |
| Storage Temperature Range | -40°C to +105°C |
| No of Terminals | 48 |
| Moisture Sensitivity Level | 3 |
| Package Style | QFN-48 |
| Mounting Method | Surface Mount |
Key Features
- Bluetooth Low Energy system-on-chip supporting Bluetooth 5.2 specifications, including 2 Mbps data rate, long range (Coded PHY), and advertising extensions.
- 64 MHz, 32-bit ARM Cortex-M0+ microcontroller with 256 kB of programmable Flash memory and 64 kB of SRAM.
- Ultra-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, along with data length extension and extended advertising and scanning features.
- Integrated balun, support for external PA, and programmable output power up to +8 dBm (at antenna connector).
- Enhanced security features including true random number generator (RNG), AES encryption co-processor, public key accelerator (PKA), and CRC calculation unit.
- Multiple communication interfaces: SPI, SPI/I2S, I²C, USART, LPUART, and PDM.
- 12-bit ADC with up to eight external and three internal measurement channels, including battery monitoring and temperature sensor.
- Low-power RTC and advanced 16-bit timer.
Applications
- Industrial automation and control systems, where low power and reliable wireless communication are crucial.
- Personal electronics such as wearables, smart home devices, and health monitoring equipment.
- Internet of Things (IoT) devices requiring Bluetooth Low Energy connectivity and ultra-low power consumption.
- Automotive applications, including vehicle tracking and diagnostic systems.
- Medical devices, such as portable health monitors and wireless sensors).
Q & A
- What is the BLUENRG-355MC?
The BLUENRG-355MC is a programmable Bluetooth Low Energy (BLE) 5.3 wireless System-on-Chip (SoC) developed by STMicroelectronics.
- What are the key features of the BLUENRG-355MC?
Key features include a 64 MHz ARM Cortex-M0+ core, 256 kB Flash, 64 kB SRAM, ultra-low power consumption, and compliance with Bluetooth 5.2 specifications.
- What is the operating temperature range of the BLUENRG-355MC?
The operating temperature range is -40°C to +105°C.
- What communication interfaces does the BLUENRG-355MC support?
The device supports SPI, SPI/I2S, I²C, USART, LPUART, and PDM interfaces.
- What are the power consumption characteristics of the BLUENRG-355MC?
The device consumes 3.4 mA in RX mode and 4.3 mA in TX mode at +0 dBm.
- Does the BLUENRG-355MC support external PA?
Yes, it supports external PA and has programmable output power up to +8 dBm.
- What security features are integrated into the BLUENRG-355MC?
The device includes a true random number generator, AES encryption co-processor, public key accelerator, and CRC calculation unit.
- What is the package style of the BLUENRG-355MC?
The package style is QFN-48.
- Is the BLUENRG-355MC RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
- What are some typical applications of the BLUENRG-355MC?
Typical applications include industrial automation, personal electronics, IoT devices, automotive systems, and medical devices.
