Overview
The STM32WB55RCV6 is a highly advanced and versatile microcontroller unit (MCU) from STMicroelectronics. It is part of the STM32WB series, which combines ultra-low-power consumption with high-performance capabilities. This MCU features a dual-core architecture, including an Arm Cortex-M4 CPU with a floating-point unit (FPU) and an Arm Cortex-M0+ CPU dedicated to real-time radio layer processing. The STM32WB55RCV6 is designed to support a wide range of wireless communication protocols, including Bluetooth 5.3, IEEE 802.15.4, Thread, and Zigbee 3.0, making it an ideal choice for IoT and wireless applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | VFQFPN68 Exposed Pad |
| Core | Arm Cortex-M4 with FPU, Arm Cortex-M0+ |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85 °C |
| Flash Memory | Up to 1 MB |
| SRAM | Up to 256 KB |
| Clock Speed | Up to 64 MHz (Cortex-M4), 32 MHz (Cortex-M0+) |
| Radio Frequency | 2.4 GHz RF transceiver supporting Bluetooth 5.3, IEEE 802.15.4-2011 PHY and MAC |
| Power Consumption | Active-mode MCU: < 53 µA / MHz, Radio: Rx 4.5 mA / Tx at 0 dBm 5.2 mA |
| Low-Power Modes | Shutdown mode: 13 nA, Standby mode + RTC + 32 KB RAM: 600 nA, Stop mode + RTC + 256 KB RAM: 2.1 µA |
Key Features
- Wireless Communication: Supports Bluetooth 5.3, IEEE 802.15.4, Thread, and Zigbee 3.0 protocols.
- Dual-Core Architecture: Arm Cortex-M4 with FPU and Arm Cortex-M0+ for real-time radio layer processing.
- Ultra-Low Power: Operating modes include shutdown, standby, and stop modes with very low current consumption.
- High-Performance: Up to 64 MHz clock speed for the Cortex-M4 core and 32 MHz for the Cortex-M0+ core.
- Rich Peripherals: Includes 12-bit ADC, ultra-low-power comparators, USB 2.0 FS device, and multiple timers and interfaces (USART, SPI, I2C, SAI).
- Security Features: Hardware encryption (AES), secure firmware installation, and sector protection against R/W operations.
- Development Support: Serial wire debug (SWD), JTAG, and embedded trace macrocell for application debugging.
Applications
- Internet of Things (IoT): Ideal for IoT devices requiring wireless connectivity and low power consumption.
- Smart Home Devices: Suitable for smart home applications such as thermostats, lighting systems, and security systems.
- Industrial Automation: Can be used in industrial automation for wireless sensor networks and control systems.
- Wearables and Health Devices: Appropriate for wearable devices and health monitoring systems due to its low power and wireless capabilities.
- Automotive Systems: Can be integrated into automotive systems for telematics, infotainment, and other connected car applications.
Q & A
- What is the core architecture of the STM32WB55RCV6?
The STM32WB55RCV6 features a dual-core architecture with an Arm Cortex-M4 CPU with FPU and an Arm Cortex-M0+ CPU dedicated to real-time radio layer processing.
- What wireless communication protocols does the STM32WB55RCV6 support?
The STM32WB55RCV6 supports Bluetooth 5.3, IEEE 802.15.4, Thread, and Zigbee 3.0 protocols.
- What is the operating voltage range of the STM32WB55RCV6?
The operating voltage range is from 1.71 V to 3.6 V.
- What are the low-power modes available in the STM32WB55RCV6?
The available low-power modes include shutdown mode (13 nA), standby mode + RTC + 32 KB RAM (600 nA), and stop mode + RTC + 256 KB RAM (2.1 µA).
- What is the maximum clock speed of the Cortex-M4 core in the STM32WB55RCV6?
The maximum clock speed of the Cortex-M4 core is up to 64 MHz.
- Does the STM32WB55RCV6 have built-in security features?
Yes, it includes hardware encryption (AES), secure firmware installation, and sector protection against R/W operations.
- What development tools are available for the STM32WB55RCV6?
Development tools include serial wire debug (SWD), JTAG, and embedded trace macrocell for application debugging.
- What types of applications is the STM32WB55RCV6 suitable for?
The STM32WB55RCV6 is suitable for IoT, smart home devices, industrial automation, wearables, and automotive systems.
- What is the maximum operating temperature of the STM32WB55RCV6?
The maximum operating temperature is 85 °C.
- Does the STM32WB55RCV6 support external PA for radio communication?
Yes, it supports external PA for radio communication.
