Mingjiada Electronics supplies STMicroelectronics STM32WB35CCU6A: Ultra-low power dual-core Arm Cortex-M4 MCU (64 MHz) and Cortex-M0+ (32 MHz) with 256 KB flash memory. Supports Bluetooth LE 5.4, 802.15.4, Zigbee, Thread, and Matter protocols. Features integrated USB interface and AES-256 encryption.
Product Overview
STMicroelectronics' flagship dual-core wireless microcontroller, the STM32WB35CCU6A, features an innovative heterogeneous architecture integrating a 64 MHz Arm® Cortex®-M4 application processor and a 32 MHz Cortex-M0+ network processor. With 256 KB flash and 96 KB SRAM, it delivers a single-chip solution that perfectly separates high-performance application processing from real-time wireless protocol handling. This provides an ultra-low-power, highly secure wireless connectivity core for smart home, industrial IoT, and healthcare applications.
Product Features
Core Architecture
Dual-core Arm® Cortex®:
• Application Core: 64 MHz Cortex-M4F (with FPU), responsible for running user applications.
• Network Core: 32 MHz Cortex-M0+, independently handles wireless protocol stacks like Bluetooth and Zigbee, ensuring real-time, reliable wireless connectivity.
Memory Resources
• 256KB Flash memory
• 96KB SRAM
Wireless Connectivity
• Multi-protocol support: Simultaneously supports Bluetooth 5.3 (BLE), Zigbee 3.0, and IEEE 802.15.4-based Thread protocols.
• High-Performance RF: Integrated balun, maximum output power of +6dBm, link budget up to 102dB, ensuring communication range and stability.
Key Peripherals & Interfaces
• Rich Interfaces: Integrated USB 2.0 FS (crystal-less design), multiple USARTs, LPUART, I2C, SPI, SAI, etc.
• Analog Capabilities: Built-in 12-bit ADC and comparators.
• GPIO Count: Up to 30 multifunctional I/O ports.
Power & Packaging
• Ultra-wide voltage range: 1.71V to 3.6V, compatible with various battery power sources.
• Energy-efficient design: Integrated DC-DC buck converter with multiple low-power modes.
• Industrial-grade packaging: 48-pin UFQFPN package, operating temperature range -40°C to +85°C.
Security Assurance: Built-in AES-256 hardware encryption, public key accelerator (PKA), true random number generator (TRNG), and secure firmware upgrade (SFU) functionality provide robust protection for devices and data.
Application Scenarios
The STM32WB35CCU6A is particularly suited for the following application areas:
• Smart Home: Smart door locks, sensor nodes, thermostats
• Industrial IoT: Asset tracking, predictive maintenance, wireless gateways
Healthcare: Wearables, health monitors, medical sensors
Consumer Electronics: Wireless remotes, smart toys, personal devices
Mingjiada Electronics Supply Advantage
As a professional component supplier, Mingjiada Electronics provides long-term, stable supply of genuine STM32WB35CCU6A devices. We maintain large-volume stock inventory and support small-batch procurement.
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