STM32WB35CEU6A

RF Transceiver ICS Overview

The STM32WB35CEU6A is a dual-core wireless microcontroller from STMicroelectronics, integrating an Arm Cortex-M4 and Cortex-M0+ for multiprotocol connectivity. It features 512kB of Flash memory and 96kB of SRAM within a 48-UFQFPN package with an exposed pad. The device operates on a supply voltage ranging from 1.71V to 3.6V and supports frequencies up to 2.4GHz. It complies with Bluetooth v5.3 and IEEE 802.15.4 standards, supporting protocols such as Zigbee. The radio offers a maximum output power of 6dBm and a sensitivity of -100dBm, with data rates reaching 2Mbps. Operating temperatures range from -40°C to 105°C.

RF Transceiver ICS Feature Summary

• Dual-core architecture combining a high-performance Arm Cortex-M4 with a dedicated low-power Cortex-M0+ for real-time protocol handling
• Integrated multiprotocol radio compliant with Bluetooth LE 5.3 and IEEE 802.15.4-2011 standards
• Hardware security mechanisms including AES encryption engines, PKA, RNG, and memory protection unit (MPU)
• Extensive peripheral set including Quad-SPI interface, multiple DMA channels, and various serial communication interfaces

RF Transceiver ICS Applications

• Smart home devices requiring multiprotocol support like Zigbee and Thread
• Bluetooth Low Energy wearables and health monitoring sensors
• Industrial IoT nodes and remote control systems
• Smart lighting and building automation controllers

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'EU6A' against the official STMicroelectronics datasheet to confirm package type and temperature grade. Ensure compatibility with required RF regulations in the target deployment region. Cross-reference pinout diagrams with PCB layout designs to account for the exposed pad thermal requirements. Confirm firmware toolchain support for the dual-core IPCC communication channels.

RF Transceiver ICS Selection Notes

Choose this component when both high-performance application processing and ultra-low-power background protocol management are required in a single chip. The 512kB Flash capacity suits complex applications needing significant code storage. Consider the 48-UFQFPN package constraints for board space. Evaluate if the 64MHz Cortex-M4 speed meets computational demands compared to lower-tier WB35 variants.

RF Transceiver ICS Part Context

This part belongs to the STM32WB35xx series, designed for ultra-low-power wireless applications. It shares architectural similarities with the STM32WB55xx but offers reduced memory sizes. The series emphasizes energy efficiency while maintaining robust connectivity options. It is part of the broader STM32 family, leveraging common development tools and ecosystem resources provided by STMicroelectronics.

RF Transceiver ICS Replacement Considerations

STM32WB35CCU6A: Similar core and radio but may differ in memory configuration or package details; verify datasheet specifics.

RF Transceiver ICS FAQ

What is the maximum operating frequency of the Cortex-M4 core?

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

Does the STM32WB35CEU6A support hardware acceleration for cryptography?

Yes, it includes two AES encryption engines, a Public Key Accelerator (PKA), and a True Random Number Generator (RNG).