Overview
The STM32L552VET6Q is a microcontroller from the STM32L5 series by STMicroelectronics. It is based on the high-performance Arm Cortex-M33 32-bit RISC core, which includes a single-precision floating-point unit (FPU) and supports all Arm single-precision data-processing instructions. This ultra-low-power microcontroller is designed for IoT and embedded applications, offering a robust set of security features, advanced peripherals, and low-power modes.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M33 CPU with TrustZone and FPU |
| Frequency | Up to 110 MHz |
| Memories | Up to 512 Kbytes of Flash memory, 256 Kbytes of SRAM |
| Power Supply | 1.71 to 3.6 V |
| Temperature Range | -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) |
| Package | LQFP 100 14x14x1.4 mm |
| Timers | 2 x 32-bit, 9 x 16-bit, 2 x low-power 16-bit timers |
| ADC/DAC | 2 x 12-bit ADC (5 Msps), 2 x 12-bit DAC outputs |
| Communication Interfaces | 4 x I2C, 3 x SPI, 3 x USART, 2 x UART, 1 x FDCAN, 1 x SDMMC, 1 x USB Type-C / USB power delivery controller |
| Security Features | Arm TrustZone, HASH hardware accelerator, true random number generator, active tamper detection |
Key Features
- Ultra-low-power with FlexPowerControl, including multiple power-saving modes (Shutdown, Standby, Stop 2)
- High-performance Arm Cortex-M33 core with FPU and DSP instructions
- Advanced security features: Arm TrustZone, secure boot, secure data storage, secure firmware installation and upgrade
- Rich set of peripherals: 2 x 12-bit ADC, 2 x 12-bit DAC, 2 x operational amplifiers, 2 x comparators, 4 x digital filters for sigma delta modulators
- Extensive communication interfaces: I2C, SPI, USART, UART, FDCAN, SDMMC, USB Type-C / USB power delivery controller
- Support for capacitive sensing with up to 22 channels
- Independent power supplies for analog and digital components
- Comprehensive clock management with internal and external oscillators
Applications
The STM32L552VET6Q is suitable for a wide range of applications, including:
- Internet of Things (IoT) devices
- Industrial automation and control systems
- Medical devices requiring low power and high security
- Point of Sale (POS) systems due to its compliance with PCI requirements
- Automotive and smart home devices
Q & A
- What is the core architecture of the STM32L552VET6Q?
The STM32L552VET6Q is based on the Arm 32-bit Cortex-M33 CPU with TrustZone and a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32L552VET6Q?
The maximum operating frequency is up to 110 MHz.
- What are the memory specifications of the STM32L552VET6Q?
The device has up to 512 Kbytes of Flash memory and 256 Kbytes of SRAM.
- What is the power supply range for the STM32L552VET6Q?
The power supply range is from 1.71 to 3.6 V.
- What are the key security features of the STM32L552VET6Q?
The device features Arm TrustZone, a HASH hardware accelerator, a true random number generator, and active tamper detection.
- What communication interfaces are available on the STM32L552VET6Q?
The device supports I2C, SPI, USART, UART, FDCAN, SDMMC, and USB Type-C / USB power delivery controller.
- What are the low-power modes available on the STM32L552VET6Q?
The device offers multiple power-saving modes including Shutdown, Standby, and Stop 2 modes.
- What is the temperature range for the STM32L552VET6Q?
The operating temperature range is -40 to +85 °C (+105 °C junction), and -40 to +125 °C (+130 °C junction).
- Does the STM32L552VET6Q support capacitive sensing?
Yes, it supports up to 22 capacitive sensing channels.
- What are the analog peripherals available on the STM32L552VET6Q?
The device includes 2 x 12-bit ADC, 2 x 12-bit DAC, 2 x operational amplifiers, and 2 x comparators.
