STM32WB55VGY7TR

RF Transceiver ICS Overview

The STM32WB55VGY7TR is a multiprotocol wireless microcontroller featuring an Arm Cortex-M4 core with FPU and a Cortex-M0+ coprocessor. It integrates a 2.4 GHz radio supporting Bluetooth 5.3, Thread, and Zigbee protocols within a 100-WLCSP package. The device includes 1 MB of Flash memory and 256 kB of SRAM. Operating voltage ranges from 1.71 V to 3.6 V, with a maximum data rate of 2 Mbps and output power of 6 dBm. Sensitivity is -100 dBm.

RF Transceiver ICS Feature Summary

• Dual-core architecture combining high-performance Cortex-M4 with low-power Cortex-M0+
• Integrated 2.4 GHz radio supporting multiple wireless standards
• Hardware security features for secure boot and cryptographic operations

RF Transceiver ICS Applications

• Smart home devices requiring Thread or Zigbee connectivity
• Bluetooth Low Energy wearables and sensors
• Industrial IoT gateways and controllers

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'GY' confirms the 100-pin WLCSP package and 1 MB Flash configuration. Ensure compatibility with the required operating temperature range of -40°C to +105°C. Confirm that the selected distributor sources genuine STMicroelectronics components to avoid counterfeit risks associated with high-volume MCU markets.

RF Transceiver ICS Selection Notes

Select this component when both high-performance processing and ultra-low-power wireless connectivity are required in a compact form factor. The dual-core design allows the M0+ to manage radio tasks while the M4 handles application logic. Choose this part over variants with smaller memory if the application requires extensive code storage for complex protocol stacks.

RF Transceiver ICS Part Context

This part belongs to the STM32WB series, designed for multiprotocol wireless applications. It shares architectural similarities with other STM32WB55xx variants but differs in memory size and package type. The WLCSP packaging offers a small footprint suitable for space-constrained portable electronics compared to larger QFN packages.

RF Transceiver ICS Replacement Considerations

STM32WB55VEY7TR (512 kB Flash variant)

RF Transceiver ICS FAQ

What wireless protocols does the integrated radio support?

The radio supports Bluetooth 5.3, IEEE 802.15.4, Thread, and Zigbee.

What is the maximum clock frequency of the main processor?

The Arm Cortex-M4 core operates at a maximum frequency of 64 MHz.