Overview
The STM32WB55VEY6TR is a multiprotocol wireless and ultra-low-power microcontroller from STMicroelectronics. It 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. This device is designed for low-power applications and supports Bluetooth Low Energy 5.3, IEEE 802.15.4, and Zigbee protocols. The STM32WB55VEY6TR is part of the STM32WB55xx series, known for its high-performance and power-efficient design, making it suitable for a wide range of wireless and IoT applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M4 (up to 64 MHz) and Arm Cortex-M0+ (up to 32 MHz) |
| Memory | Up to 1 MB Flash, up to 256 KB SRAM |
| Radio | Bluetooth Low Energy 5.3, IEEE 802.15.4, Zigbee |
| Power Supply | 1.71 to 3.6 V |
| Temperature Range | -40 °C to +85 °C / +105 °C |
| ADC | 12-bit, up to 16-bit with hardware oversampling, 4.26 Msps |
| Timers | 1x 32-bit, 5x 16-bit |
| Communication Interfaces | USART, LPUART, 2x SPI, 2x I2C, USB 2.0 FS, Quad-SPI |
| Power Modes | Shutdown: 13 nA, Standby: 600 nA, Stop: 2.1 µA |
| Package | Up to 129 pins |
Key Features
- Dual-Core Architecture: Arm Cortex-M4 and Arm Cortex-M0+ cores for efficient processing and real-time operations.
- Ultra-Low Power: Various power-saving modes including shutdown, standby, and stop modes.
- Wireless Connectivity: Supports Bluetooth Low Energy 5.3, IEEE 802.15.4, and Zigbee protocols.
- Rich Peripherals: Includes 12-bit ADC, ultra-low-power comparators, advanced timers, and multiple communication interfaces.
- Memory Protection: Sector protection against R/W operations and proprietary code readout protection.
- Cryptography: Two AES encryption engines, PKA, and RNG for lower layer MAC and upper layer cryptography.
- Capacitive Sensing: Up to 18 capacitive sensing channels.
- LCD Driver: Integrated LCD driver up to 8x40 or 4x44 with internal step-up converter.
Applications
- IoT Devices: Suitable for various IoT applications requiring wireless connectivity and low power consumption.
- Wearable Devices: Ideal for wearable devices due to its ultra-low power consumption and compact design.
- Industrial Automation: Can be used in industrial automation for wireless sensor networks and control systems.
- Smart Home Devices: Applicable in smart home devices such as thermostats, security systems, and home automation.
- Medical Devices: Suitable for medical devices that require low power and reliable wireless communication.
Q & A
- What is the core architecture of the STM32WB55VEY6TR?
The STM32WB55VEY6TR 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 STM32WB55VEY6TR support?
The device supports Bluetooth Low Energy 5.3, IEEE 802.15.4, and Zigbee protocols.
- What is the power supply range for the STM32WB55VEY6TR?
The power supply range is from 1.71 to 3.6 V.
- What are the temperature ranges for the STM32WB55VEY6TR?
The device operates in the -40 °C to +85 °C / +105 °C temperature ranges.
- What types of timers are available on the STM32WB55VEY6TR?
The device includes 1x 32-bit timer and 5x 16-bit timers.
- Does the STM32WB55VEY6TR support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels.
- What is the purpose of the Arm Cortex-M0+ core in the STM32WB55VEY6TR?
The Arm Cortex-M0+ core is dedicated to performing real-time low-layer operations.
- What are the power modes available on the STM32WB55VEY6TR?
The device features shutdown, standby, and stop modes for power saving.
- Does the STM32WB55VEY6TR have integrated cryptography features?
Yes, it includes two AES encryption engines, PKA, and RNG for cryptography.
- What is the maximum frequency of the internal oscillator?
The internal multispeed oscillator can operate up to 48 MHz, auto-trimmed by LSE with better than ±0.25% accuracy.
