Overview
The STM32WB55VGQ6 is a cutting-edge microcontroller from STMicroelectronics, designed for ultra-low-power and multiprotocol wireless applications. This device features a dual-core architecture, combining an Arm Cortex-M4 core operating at up to 64 MHz and an Arm Cortex-M0+ core dedicated to real-time low-layer operations. The STM32WB55VGQ6 is equipped with 1 Mbyte of Flash memory and 256 Kbytes of SRAM, making it suitable for a wide range of applications requiring high performance and low power consumption.
The device supports Bluetooth Low Energy 5.4 and IEEE 802.15.4-2011 protocols, making it ideal for IoT, wearable devices, and other wireless applications. It also includes advanced security features such as AES encryption, public key authority (PKA), and a true random number generator (RNG).
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M4 (up to 64 MHz) and Arm Cortex-M0+ |
| Memory | Up to 1 Mbyte Flash, up to 256 Kbytes SRAM |
| Wireless Protocols | Bluetooth Low Energy 5.4, IEEE 802.15.4-2011 |
| Power Supply | 1.71 to 3.6 V |
| Temperature Range | -40 to +105 °C (+125 °C junction) |
| Package | UFBGA 129 7x7x0.6 P 0.5 mm |
| ADC | 12-bit, up to 16-bit with hardware oversampling |
| Timers | 1x 32-bit, 5x 16-bit, 2x 16-bit low-power timers |
| Communication Interfaces | USART, LPUART, SPI, I2C, SAI, USB 2.0 FS |
| Security Features | AES encryption, PKA, RNG, sector protection |
Key Features
- Ultra-low-power platform with multiple power-saving modes
- High-efficiency SMPS step-down converter with automatic bypass mode
- Advanced inter-processor communication (IPCC) with six bidirectional channels
- Hardware semaphores for resource sharing between CPUs
- Rich analog peripherals including 12-bit ADC and ultra-low-power comparators
- Integrated LCD driver and touch sensing controller
- Support for external PA and integrated passive device (IPD) companion chip
- Secure firmware installation (SFI) and customer key storage
- Quad-SPI memory interface with execute-in-place (XIP) capability
Applications
- Internet of Things (IoT) devices
- Wearable devices and fitness trackers
- Smart home and automation systems
- Industrial automation and control systems
- Medical devices and health monitoring systems
- Wireless sensor networks and mesh networks
Q & A
- What are the core specifications of the STM32WB55VGQ6?
The STM32WB55VGQ6 features an Arm Cortex-M4 core operating at up to 64 MHz and an Arm Cortex-M0+ core for real-time operations.
- What wireless protocols does the STM32WB55VGQ6 support?
The device supports Bluetooth Low Energy 5.4 and IEEE 802.15.4-2011 protocols.
- What is the memory capacity of the STM32WB55VGQ6?
The device has up to 1 Mbyte of Flash memory and up to 256 Kbytes of SRAM.
- What is the operating temperature range of the STM32WB55VGQ6?
The device operates in the -40 to +105 °C (+125 °C junction) temperature range.
- What power-saving features does the STM32WB55VGQ6 have?
The device features multiple power-saving modes, including shutdown, standby, and stop modes, along with a high-efficiency SMPS step-down converter.
- Does the STM32WB55VGQ6 have built-in security features?
Yes, it includes AES encryption, public key authority (PKA), a true random number generator (RNG), and sector protection.
- What communication interfaces are available on the STM32WB55VGQ6?
The device includes USART, LPUART, SPI, I2C, SAI, and USB 2.0 FS interfaces.
- Can the STM32WB55VGQ6 be used in industrial applications?
Yes, it is suitable for industrial automation and control systems due to its robust features and wide operating temperature range.
- How does the STM32WB55VGQ6 support LCD and touch sensing?
The device includes an integrated LCD driver and a touch sensing controller with up to 18 capacitive sensing channels.
- What is the package type of the STM32WB55VGQ6?
The device is available in a UFBGA 129 7x7x0.6 P 0.5 mm package.
