STM32WB55REV7 Overview
The STM32WB55REV7 is a dual-core wireless microcontroller tailored for advanced industrial and consumer applications requiring robust connectivity and efficient processing. Featuring a 32-bit Arm Cortex-M4 core combined with a Cortex-M0+ core dedicated to wireless protocol management, this device optimizes power consumption while delivering high computational performance. Integrated sub-GHz and 2.4 GHz radio transceivers support multiple wireless standards, making it well-suited for IoT, smart metering, and automation systems. Its comprehensive security features and flexible memory configurations enable reliable, secure, and scalable embedded designs. Learn more at IC Manufacturer.
STM32WB55REV7 Technical Specifications
| Parameter | Specification |
|---|---|
| CPU Cores | Arm Cortex-M4 @ 64 MHz + Cortex-M0+ @ 32 MHz |
| Flash Memory | 1 MB embedded Flash |
| RAM | 256 KB SRAM |
| Wireless Protocols | Bluetooth 5.0, Bluetooth Low Energy, 802.15.4 (Thread, Zigbee), Proprietary 2.4 GHz and Sub-GHz |
| Operating Voltage | 1.7 V to 3.6 V |
| Package | QFN64 (7 x 7 mm) |
| Security Features | Secure boot, AES-128 encryption, True Random Number Generator (TRNG) |
| Power Consumption | Down to 5.8 ??A in Stop mode with RTC |
| Temperature Range | -40 ??C to +85 ??C |
| Communication Interfaces | UART, SPI, I2C, USB 2.0 FS, ADC, DAC |
STM32WB55REV7 Key Features
- Dual-core architecture: Separates application processing and wireless protocol handling, ensuring uninterrupted communication and efficient real-time performance.
- Multi-protocol radio support: Enables Bluetooth 5.0, Zigbee, Thread, and proprietary protocols, offering design flexibility for diverse IoT applications.
- Low power consumption: Optimized for battery-powered devices, with Stop mode current as low as 5.8 ??A, extending device operational lifetime.
- Advanced security: Incorporates secure boot, hardware encryption, and TRNG to protect firmware integrity and sensitive data.
Typical Applications
- Wireless sensor networks and industrial automation systems requiring reliable long-range and low-power communication.
- Smart home devices integrating Bluetooth and 802.15.4 mesh networking protocols.
- Wearable health and fitness devices benefiting from secure wireless data exchange and low energy consumption.
- Asset tracking and smart metering solutions leveraging multi-protocol connectivity and high integration.
STM32WB55REV7 Advantages vs Typical Alternatives
This device offers significant advantages in integration and power efficiency compared to conventional single-core wireless MCUs. Its dedicated Cortex-M0+ core for protocol processing improves communication reliability and reduces latency. The broad wireless protocol support and embedded security features enhance design versatility and data protection. Low power modes enable extended battery life, critical for industrial IoT and portable applications, positioning it favorably against typical alternatives.
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STM32WB55REV7 Brand Info
The STM32WB55REV7 is part of the STM32 wireless microcontroller family developed by STMicroelectronics, a global leader in semiconductor solutions. Known for innovation in low-power microcontrollers and robust wireless connectivity, STMicroelectronics delivers scalable, secure, and high-performance devices aimed at IoT, consumer, and industrial markets. This series integrates advanced dual-core processing with multi-protocol radio support, enabling developers to create sophisticated connected products with enhanced security and energy efficiency.
FAQ
What wireless protocols does the STM32WB55REV7 support?
This microcontroller supports Bluetooth 5.0, Bluetooth Low Energy, IEEE 802.15.4-based protocols such as Thread and Zigbee, as well as proprietary 2.4 GHz and Sub-GHz radio protocols. This multi-protocol capability enables flexible wireless connectivity options for various applications.
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How does the dual-core architecture benefit system design?
The STM32WB55REV7 features two
