BLUENRG-248S

RF Transceiver ICS Overview

The STMicroelectronics BLUENRG-248S is a Bluetooth Low Energy 5.3 System-on-Chip featuring an Arm Cortex-M0+ core operating up to 64 MHz and a dedicated co-processor for timing-critical operations. It integrates 256 KB of flash memory, 24 KB of SRAM, and supports 2 Mbps data rates with long-range Coded PHY. The device includes hardware security accelerators such as AES-128, PKA, and RNG. Operating voltages range from 1.7 V to 3.6 V, with an industrial temperature range of -40°C to 105°C.

RF Transceiver ICS Feature Summary

• Supports Bluetooth Low Energy 5.3 specifications including Direction Finding (AoA/AoD) and extended packet lengths.
• Integrates dedicated hardware security functions for encryption, public key acceleration, and random number generation.
• Features an ultra-low power 2.4 GHz radio optimized for excellent performance and battery lifetime.
• Includes a programmable Arm Cortex-M0+ microcontroller alongside a DMA-based co-processor.

RF Transceiver ICS Applications

• Bluetooth Mesh networking for large-scale device connectivity
• Ultra-low latency proprietary radio communication applications
• Direction Finding systems utilizing AoA/AoD capabilities
• Battery-powered IoT sensors requiring extended operational life

RF Transceiver ICS Procurement Notes

Verify the specific package variant and ordering suffix against official STMicroelectronics documentation to ensure compatibility with your design requirements. Confirm that the component meets all necessary regulatory certifications for your target market. Cross-reference the datasheet revision history to validate feature availability and electrical characteristics prior to finalizing procurement decisions.

RF Transceiver ICS Selection Notes

Select this SoC for applications demanding Bluetooth 5.3 compliance with integrated security hardware. Consider the 256 KB flash and 24 KB RAM limits for firmware complexity. Evaluate the need for Direction Finding features versus standard connectivity. Ensure the 1.7 V to 3.6 V supply range aligns with your system's power architecture and thermal constraints.

RF Transceiver ICS Part Context

The BLUENRG-248S belongs to the BlueNRG-LPS family, representing an evolution in STMicroelectronics' wireless connectivity portfolio. It builds upon previous generations by integrating Bluetooth 5.3 standards and enhanced security accelerators. This series targets developers seeking a balance between high performance and ultra-low power consumption in compact form factors.

RF Transceiver ICS Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult STMicroelectronics official resources for direct replacements or pin-compatible alternatives within the BlueNRG family.

RF Transceiver ICS FAQ

Does the BLUENRG-248S support Bluetooth Mesh networking?

Yes, the device is compliant with Bluetooth Low Energy SIG core specification version 5.3 and supports Bluetooth Mesh networking for reliable large-scale device networks.

What security hardware features are included?

It provides dedicated hardware functions including a True Random Number Generator (RNG), AES-128 encryption co-processor, Public Key Accelerator (PKA), CRC calculation unit, and flash memory protection.