STMicroelectronics STM32L552VCT6Q
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $23.29 | $23.29 |
| 15+ | $5.35 | $80.25 |
| 25+ | $5.24 | $131.00 |
| 50+ | $4.95 | $247.50 |
| 100+ | $4.37 | $437.00 |
| N+ | $0.87 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L5 |
| Packaging | Tray | NULL |
| Core Processor | ARM® Cortex®-M33 |
| Core Size | 32-Bit Single-Core |
| Speed | 110MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 79 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 256K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 14x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 100-LQFP (14x14) |
| Package / Case | 100-LQFP |
| ROHS |
The STMicroelectronics STM32L552VCT6Q is a high-performance 32-bit microcontroller based on the ARM Cortex-M33 core with TrustZone, running at 110MHz. It offers 256KB of flash and 256KB of RAM, along with advanced peripherals such as DMA, PWM, and WDT. Operating from 1.71V to 3.6V and -40°C to 85°C, it is packaged in a 100-LQFP, making it ideal for secure, power-efficient industrial and IoT applications.
- Hardware Security: TrustZone technology provides isolated secure zones for keys and critical code.
- High Performance: 110MHz Cortex-M33 with DSP instructions accelerates signal processing tasks.
- Large RAM: 256KB RAM supports complex multitasking and large data buffers without external memory.
- Ultra-Low Power: 1.71V operation and multiple low-power modes extend battery life in portable devices.
- Rich Peripheral Set: DMA, PWM, and multiple serial interfaces enable versatile system integration.
Secure IoT Endpoints
The Cortex-M33 with TrustZone provides hardware-isolated security, protecting cryptographic keys and firmware integrity in connected devices.
Industrial Automation Controllers
With 110MHz and 256KB RAM, it runs complex PLC logic and multi-axis motion control with minimal latency.
Smart Meters & Energy Management
Its low-power modes and high-speed ADC enable accurate energy measurement while maintaining long battery life in smart utility meters.
Medical Wearables
Operating at 1.71V, it can be powered by a single coin cell, while its DSP capabilities process biosignals like ECG and PPG in real time.
Robotics & Drones
The combination of DMA, PWM, and 256KB RAM supports sensor fusion and motor control algorithms for stable flight and navigation.
Building Automation Gateways
With multiple communication interfaces (UART, SPI, I2C), it aggregates data from various sensors and controls HVAC systems efficiently.
- Q: What core does the STM32L552VCT6Q use?
- A: It is based on the ARM Cortex-M33 with TrustZone, offering enhanced security features.
- Q: What is the maximum clock speed?
- A: It runs at up to 110MHz, providing high performance for advanced applications.
- Q: How much RAM is available?
- A: It features 256KB of RAM, enabling complex real-time processing and large data buffers.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting low-power and battery-operated designs.
- Q: What package is this variant?
- A: It is available in a 100-LQFP package, offering extensive I/O capabilities.
- Q: What core does the STM32L552VCT6Q use?
- A: It is based on the ARM Cortex-M33 with TrustZone, offering enhanced security features.
- Q: What is the maximum clock speed?
- A: It runs at up to 110MHz, providing high performance for advanced applications.
- Q: How much RAM is available?
- A: It features 256KB of RAM, enabling complex real-time processing and large data buffers.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting low-power and battery-operated designs.
- Q: What package is this variant?
- A: It is available in a 100-LQFP package, offering extensive I/O capabilities.

STM32L552VCT6Q.pdf