STM32WBA54CGU7

RF Transceiver ICS Overview

The STM32WBA54CGU7 is a multiprotocol wireless microcontroller based on the Arm Cortex-M33 core, operating at a maximum clock frequency of 100 MHz. It integrates a 2.4 GHz radio supporting Bluetooth LE 5.4, IEEE 802.15.4 (Zigbee, Thread, Matter), and offers up to 1 Mbyte of Flash memory and 64 Kbytes of SRAM. The device features a 12-bit ADC, operates within a supply voltage range of 1.7 V to 3.6 V, and supports a maximum operating temperature of +105°C. It is housed in a UFQFPN-48 package.

RF Transceiver ICS Feature Summary

• Supports multiprotocol wireless connectivity including Bluetooth LE 5.4, Zigbee, Thread, and Matter over a 2.4 GHz radio.
• Integrates an Arm Cortex-M33 core with Trust Zone security and SESIP Level 3 target certification.
• Provides ultra-low power consumption with standby modes down to 160 nA.
• Includes autonomous peripherals with DMA functionality that remain active in Stop 1 mode.

RF Transceiver ICS Applications

• Smart home devices requiring Matter or Zigbee compliance
• Bluetooth audio streaming applications such as Auracast broadcasting
• Industrial IoT sensors utilizing Thread protocol
• Secure wearable devices needing Trust Zone protection

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'U7' indicates tape and reel packaging when sourcing. Confirm the exact memory configuration matches project requirements, as variants exist with differing RAM sizes. Ensure the UFQFPN-48 package footprint aligns with PCB design constraints. Check for regional regulatory certifications such as US Cyber Trust Mark or EU Radio Equipment Directive compliance if required for deployment.

RF Transceiver ICS Selection Notes

Choose this component for applications requiring high-level security integration alongside multiprotocol wireless support. The Cortex-M33 core provides necessary DSP capabilities for audio processing. Consider the 100 MHz performance limit against higher-speed alternatives if computational demands exceed these specifications. Evaluate the low-power standby currents against battery life requirements for portable implementations.

RF Transceiver ICS Part Context

This part belongs to the STM32WBA series, designed for secure, multiprotocol wireless applications. It complements the broader STM32 portfolio by adding specialized RF capabilities to the Cortex-M33 architecture. The series targets markets demanding strict security standards and interoperability across various wireless ecosystems.

RF Transceiver ICS Replacement Considerations

Consult official STMicroelectronics documentation for direct pin-to-pin replacements within the STM32WBA family. Verify memory size and package compatibility before substituting with other models like the STM32WBA54KEU7TR.