Overview
The STM32L451VET6TR is a highly advanced microcontroller from STMicroelectronics, part of the STM32L4 series. This ultra-low-power device is based on the Arm® Cortex®-M4 32-bit CPU with a floating-point unit (FPU), making it ideal for applications requiring high performance and low energy consumption. The STM32L451VET6TR is designed to meet the demands of modern IoT, industrial, and consumer electronics, offering a robust set of features and peripherals that enhance its versatility and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 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 |
| Run Mode Current | 84 µA/MHz |
| Clock Sources | 4 to 48 MHz crystal oscillator, 32 kHz crystal oscillator for RTC, Internal 16 MHz RC, Internal low-power 32 kHz RC |
| Package | LQFP100, UFBGA100, LQFP64, UFBGA64, WLCSP64, UFQFPN48, LQFP48 |
Key Features
- Ultra-low-power with FlexPowerControl: Offers various low-power modes to minimize energy consumption.
- Arm® Cortex®-M4 CPU with FPU: Provides high performance with 100 DMIPS and DSP instructions.
- Rich Analog Peripherals: Includes 12-bit ADC, 12-bit DAC, operational amplifier, and ultra-low-power comparators.
- Communication Interfaces: Supports SAI, I2C, USARTs, UART, LPUART, SPIs, CAN, and SDMMC.
- Touch Sensing Controller: Up to 21 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- RTC with HW Calendar: Includes alarms and calibration features.
- Development Support: Features serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- ECOPACK2® Compliant: All packages are environmentally friendly.
Applications
- IoT Devices: Ideal for low-power IoT applications requiring high performance.
- Industrial Automation: Suitable for industrial control systems and automation.
- Consumer Electronics: Used in various consumer electronics such as smart home devices and wearables.
- Medical Devices: Applicable in medical devices that require low power consumption and high reliability.
- Automotive Systems: Can be used in automotive systems for control and monitoring.
Q & A
- What is the core architecture of the STM32L451VET6TR?
The STM32L451VET6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum frequency of the STM32L451VET6TR?
The maximum frequency is up to 80 MHz.
- What are the power supply voltage ranges for the STM32L451VET6TR?
The power supply voltage ranges from 1.71 V to 3.6 V.
- What are the low-power modes available in the STM32L451VET6TR?
The device features VBAT mode (145 nA), Shutdown mode (22 nA), Standby mode (106 nA), and Stop 2 mode (2.05 µA).
- What types of communication interfaces does the STM32L451VET6TR support?
The device supports SAI, I2C, USARTs, UART, LPUART, SPIs, CAN, and SDMMC interfaces.
- Does the STM32L451VET6TR have touch sensing capabilities?
Yes, it supports up to 21 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the memory configuration of the STM32L451VET6TR?
The device has up to 512 KB of Flash memory and 160 KB of SRAM.
- Is the STM32L451VET6TR environmentally friendly?
Yes, all packages are ECOPACK2® compliant.
- What development tools are supported by the STM32L451VET6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What are some typical applications of the STM32L451VET6TR?
It is used in IoT devices, industrial automation, consumer electronics, medical devices, and automotive systems.
