Overview
The STM32WB55VGY6TR is a cutting-edge microcontroller from STMicroelectronics, part of the STM32WB55xx series. This device is designed for ultra-low-power applications and features a dual-core architecture with an Arm Cortex-M4 core operating at up to 64 MHz and an Arm Cortex-M0+ core dedicated to real-time low-layer operations. It is particularly suited for wireless applications, supporting Bluetooth Low Energy 5.4 and IEEE 802.15.4 protocols. The device is highly integrated, offering a wide range of peripherals, advanced security features, and robust power management capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M4 (up to 64 MHz) and Arm Cortex-M0+ (up to 32 MHz) |
| Memory | Up to 1 Mbyte of Flash memory, up to 256 Kbytes of SRAM |
| Wireless Capabilities | Bluetooth Low Energy 5.4, IEEE 802.15.4 |
| Power Supply | 1.71 to 3.6 V |
| Temperature Range | -40 to +105 °C (junction temperature) |
| ADC | 12-bit ADC, up to 16-bit with hardware oversampling |
| Timers | 1x 32-bit timer, 5x 16-bit timers, 2x 16-bit low-power timers |
| Communication Interfaces | 1x USART, 1x LPUART, 2x SPI, 2x I2C, 1x SAI, 1x USB 2.0 FS |
| Security Features | 2x AES encryption engines, PKA, RNG, customer key storage |
| Package | WLCSP 100 4.4x4.4x0.6 P 0.4 mm |
Key Features
- Dual-Core Architecture: Arm Cortex-M4 and Arm Cortex-M0+ cores for efficient processing and real-time operations.
- Wireless Capabilities: Supports Bluetooth Low Energy 5.4 and IEEE 802.15.4 protocols with integrated balun and external PA support.
- Ultra-Low Power: Various power-saving modes, including shutdown, standby, and stop modes, with low current consumption.
- Advanced Peripherals: Includes 12-bit ADC, ultra-low-power comparators, LCD driver, touch sensing controller, and multiple timers.
- Security: Features AES encryption engines, public key authority (PKA), random number generator (RNG), and customer key storage.
- Communication Interfaces: USART, LPUART, SPI, I2C, SAI, and USB 2.0 FS with crystal-less oscillator.
- Power Management: High-efficiency SMPS step-down converter with intelligent bypass mode and independent power supplies for analog inputs.
Applications
- IoT Devices: Ideal for Internet of Things applications requiring low power consumption and wireless connectivity.
- Wearable Devices: Suitable for wearables due to its ultra-low power modes and compact packaging.
- Industrial Automation: Can be used in industrial automation for wireless sensor networks and control systems.
- Medical Devices: Applicable in medical devices that require low power and reliable wireless communication.
- Smart Home Devices: Used in smart home devices for automation and control, leveraging its Bluetooth and 802.15.4 capabilities.
Q & A
- What is the core architecture of the STM32WB55VGY6TR?
The device features a dual-core architecture with an Arm Cortex-M4 core operating at up to 64 MHz and an Arm Cortex-M0+ core dedicated to real-time low-layer operations.
- What wireless protocols does the STM32WB55VGY6TR support?
It supports Bluetooth Low Energy 5.4 and IEEE 802.15.4 protocols.
- What is the power supply range for the STM32WB55VGY6TR?
The device operates from a 1.71 to 3.6 V power supply.
- What are the key security features of the STM32WB55VGY6TR?
The device includes AES encryption engines, public key authority (PKA), random number generator (RNG), and customer key storage.
- What types of timers are available on the STM32WB55VGY6TR?
The device features 1x 32-bit timer, 5x 16-bit timers, and 2x 16-bit low-power timers.
- What communication interfaces are available on the STM32WB55VGY6TR?
The device includes USART, LPUART, SPI, I2C, SAI, and USB 2.0 FS with crystal-less oscillator.
- What is the operating temperature range for the STM32WB55VGY6TR?
The device operates in the -40 to +105 °C temperature range.
- Does the STM32WB55VGY6TR support over-the-air updates?
Yes, it supports over-the-air (OTA) updates for Bluetooth Low Energy and 802.15.4.
- What is the package type for the STM32WB55VGY6TR?
The device is available in a WLCSP 100 4.4x4.4x0.6 P 0.4 mm package.
- Does the STM32WB55VGY6TR have any power-saving modes?
Yes, it features various power-saving modes including shutdown, standby, and stop modes with low current consumption.
