STM32WB35CEU7A Wireless Microcontroller with BLE & IEEE 802.15.4, UFBGA73 Package – STMicroelectronics

  • The STM32WB35CEU7A integrates a dual-core architecture, enabling efficient processing and wireless communication in one device.
  • It features low-power operation modes to extend battery life in portable and remote applications.
  • The compact LQFP package ensures board-space savings, suitable for space-constrained designs.
  • Ideal for IoT devices, it supports seamless connectivity and reliable data exchange in smart home systems.
  • Manufactured with stringent quality controls, it offers stable performance and long-term reliability in embedded systems.
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STM32WB35CEU7A Overview

The STM32WB35CEU7A is a dual-core wireless microcontroller designed for advanced industrial and consumer applications requiring robust connectivity and low power consumption. Featuring a 32-bit ARM Cortex-M4 core paired with a Cortex-M0+ core, this device integrates Bluetooth 5.0 and IEEE 802.15.4 wireless protocols, providing versatile communication capabilities. Its embedded flash and RAM capacities support complex embedded software, making it ideal for IoT and smart device applications. Optimized for energy efficiency and reliable wireless performance, this microcontroller offers comprehensive security features and flexible power management. For more information, visit IC Manufacturer.

STM32WB35CEU7A Technical Specifications

Parameter Specification
Processor Cores ARM Cortex-M4 (64 MHz) + Cortex-M0+ (32 MHz)
Flash Memory 256 KB embedded flash
RAM 64 KB SRAM
Wireless Protocols Bluetooth 5.0 + IEEE 802.15.4 (Thread, Zigbee)
Operating Voltage 1.7 V to 3.6 V
Package 48-pin UFQFPN, 7×7 mm
Security Features Hardware cryptographic acceleration, secure boot
Power Consumption Low power modes with down to 800 nA standby
Interfaces USART, SPI, I2C, ADC, DAC, USB 2.0 FS
Temperature Range -40 to +85 ??C

STM32WB35CEU7A Key Features

  • Dual-core architecture: Combines a high-performance Cortex-M4 with a low-power Cortex-M0+ to separate application and radio tasks, enhancing real-time responsiveness and energy efficiency.
  • Integrated Bluetooth 5.0 and IEEE 802.15.4: Supports multiple wireless standards on a single chip, enabling versatile connectivity options for IoT networks and mesh topologies.
  • Advanced security: Hardware cryptographic accelerators and secure boot mechanisms protect firmware integrity and prevent unauthorized access.
  • Low power consumption: Multiple power modes including STOP and STANDBY reduce energy usage, extending battery life in portable and embedded applications.

Typical Applications

  • Smart home and building automation devices requiring multi-protocol wireless communication and secure data transmission in constrained power environments.
  • Industrial wireless sensor networks that benefit from reliable mesh connectivity and low latency control.
  • Wearable electronics and health monitoring systems combining efficient processing with Bluetooth low energy for continuous data exchange.
  • Asset tracking and location services leveraging Bluetooth 5.0 features such as direction finding and extended range.

STM32WB35CEU7A Advantages vs Typical Alternatives

This microcontroller stands out with its dual-core design that efficiently separates radio and application workloads, enhancing performance and power management. Its integrated Bluetooth 5.0 and IEEE 802.15.4 support provide broad wireless interoperability, reducing the need for external modules. Enhanced security features and low power consumption further position it as a reliable choice compared to typical single-core, single-protocol solutions, making it ideal for modern connected devices.

STM32WB35CEU7A Brand Info

The STM32WB35CEU7A is part of the STM32WB series developed by STMicroelectronics, a leading global semiconductor manufacturer renowned for its innovation in microcontrollers and wireless solutions. STMicroelectronics specializes in delivering high-performance, energy-efficient embedded processors with integrated connectivity. The STM32WB family targets IoT and wireless applications by combining advanced communication protocols with robust security and power-saving capabilities. This product reflects STMicroelectronics’ commitment to enabling smart and connected devices across industrial, consumer, and healthcare markets.

FAQ

What wireless protocols are supported by this microcontroller?

This device supports Bluetooth 5.0 and IEEE 802.15.4 protocols, enabling connectivity for Bluetooth Low Energy and mesh networking standards such as Thread and Zigbee. This multi-protocol

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