Overview
The STM32L452VEI6TR is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. This device is based on the Arm® Cortex®-M4 32-bit processor and features an integrated floating-point unit (FPU), making it suitable for a wide range of applications that require high processing power and low energy consumption.
With its advanced power management and low-power modes, the STM32L452VEI6TR is ideal for battery-powered devices and applications where energy efficiency is critical. The microcontroller also includes a rich set of peripherals and interfaces, enhancing its versatility in various industrial, consumer, and IoT applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | Up to 512 KB |
| SRAM | 160 KB (including 32 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Low-Power Modes | VBAT mode: 145 nA, Shutdown mode: 22 nA, Standby mode: 106 nA, Stop 2 mode: 2.05 µA (with RTC: 2.40 µA) |
| Communication Interfaces | USB 2.0, SAI, I2C, USART, UART, LPUART, SPI, Quad SPI, CAN, SDMMC |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, operational amplifier, ultra-low-power comparators |
| Timers | 12x timers including 16-bit and 32-bit timers, watchdogs, SysTick timer |
| Package | UFBGA100 (7×7), LQFP64 (10×10), UFBGA64 (5×5), and others |
Key Features
- Ultra-Low Power Consumption: Features like FlexPowerControl, VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode ensure minimal power consumption.
- High-Performance CPU: Arm® Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and up to 80 MHz frequency.
- Rich Peripherals: Includes 12-bit ADC, 12-bit DAC, operational amplifier, ultra-low-power comparators, and various communication interfaces.
- Advanced Power Management: Internal multispeed oscillators, clock recovery system, and batch acquisition mode (BAM) for efficient power management.
- Security and Development Support: True random number generator, CRC calculation unit, 96-bit unique ID, and support for serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- Environmental Robustness: Operating temperature range of -40 °C to 85/125 °C and compliance with ECOPACK2® standards.
Applications
- Industrial Automation: Suitable for control systems, sensors, and actuators due to its robust peripherals and low power consumption.
- Consumer Electronics: Ideal for battery-powered devices such as smart home appliances, wearables, and portable electronics.
- IoT Devices: Perfect for IoT applications requiring low power and high processing capabilities, such as smart sensors and data loggers.
- Medical Devices: Can be used in medical devices that require precise analog measurements and low power consumption.
- Automotive Systems: Suitable for automotive applications due to its robustness and compliance with automotive standards.
Q & A
- What is the core processor of the STM32L452VEI6TR?
The core processor is the Arm® 32-bit Cortex®-M4 CPU with an integrated floating-point unit (FPU).
- What is the maximum frequency of the STM32L452VEI6TR?
The maximum frequency is up to 80 MHz.
- What are the power supply voltage ranges for the STM32L452VEI6TR?
The power supply voltage ranges from 1.71 V to 3.6 V.
- What are the low-power modes available in the STM32L452VEI6TR?
The device features VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode, among others.
- What types of communication interfaces are available on the STM32L452VEI6TR?
The device includes USB 2.0, SAI, I2C, USART, UART, LPUART, SPI, Quad SPI, CAN, and SDMMC interfaces.
- What are the key analog peripherals of the STM32L452VEI6TR?
The device includes a 12-bit ADC, 12-bit DAC, operational amplifier, and ultra-low-power comparators).
- What is the temperature range for the STM32L452VEI6TR?
The operating temperature range is -40 °C to 85/125 °C).
- What types of timers are available on the STM32L452VEI6TR?
The device includes 12x timers, including 16-bit and 32-bit timers, watchdogs, and a SysTick timer).
- Is the STM32L452VEI6TR compliant with any environmental standards?
Yes, the device is ECOPACK2® compliant).
- What development tools are supported by the STM32L452VEI6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™).
