Overview
The STM32L451VET6 is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 80 MHz and features a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types. It also includes a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | STMicroelectronics, Inc. |
| Package | LQFP 100 (14x14x1.4 mm) |
| Core | Arm Cortex-M4 with FPU |
| Operating Frequency | Up to 80 MHz |
| Supply Voltage | 1.71 to 3.6 V |
| Operating Temperature | -40 °C to 85/125 °C |
| Flash Memory | Up to 512 KB |
| SRAM | 160 KB (including 32 KB with hardware parity check) |
| ADC | 12-bit, 5 Msps |
| DAC | 1x 12-bit output channel |
| Timers | 1x 32-bit, 5x 16-bit, 2x low-power 16-bit timers |
| Communication Interfaces | 4x I2C, 3x SPI, 3x USART, 1x UART, 1x Low-Power UART, 1x SAI, 1x SDMMC, 1x CAN |
| Packing Type | Tray |
| RoHS Compliance | Ecopack2 |
Key Features
- Ultra-low-power with FlexPowerControl
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™)
- High-speed memories: up to 512 KB Flash, 160 KB SRAM
- Quad SPI Flash memories interface
- Extensive range of enhanced I/Os and peripherals
- Fast 12-bit ADC (5 Msps), 1x 12-bit DAC output channel, 1x operational amplifier
- Up to 21 capacitive sensing channels
- Standard and advanced communication interfaces: I2C, SPI, USART, UART, SAI, SDMMC, CAN
- Low-power modes: VBAT mode, Shutdown mode, Standby mode, Stop 2 mode
- Internal clock sources: 16 MHz RC, 32 kHz RC, multispeed 100 kHz to 48 MHz oscillator
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32L451VET6 is suitable for a wide range of applications that require high performance and ultra-low power consumption. These include:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and appliances
- Automotive systems and telematics
- IoT and smart home devices
- Wearable technology and fitness trackers
Q & A
- What is the core architecture of the STM32L451VET6?
The STM32L451VET6 is based on the Arm® Cortex®-M4 32-bit RISC core with a Floating Point Unit (FPU). - What is the maximum operating frequency of the STM32L451VET6?
The maximum operating frequency is up to 80 MHz. - What are the power supply voltage ranges for the STM32L451VET6?
The device operates from a 1.71 to 3.6 V power supply. - What are the key memory specifications of the STM32L451VET6?
The device features up to 512 KB of Flash memory and 160 KB of SRAM. - What types of communication interfaces are available on the STM32L451VET6?
The device includes I2C, SPI, USART, UART, Low-Power UART, SAI, SDMMC, and CAN interfaces. - What are the low-power modes available on the STM32L451VET6?
The device supports VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode. - What is the temperature range for the STM32L451VET6?
The operating temperature range is -40 °C to 85/125 °C. - Does the STM32L451VET6 support capacitive sensing?
Yes, it supports up to 21 capacitive sensing channels. - What development tools are available for the STM32L451VET6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™. - Is the STM32L451VET6 RoHS compliant?
Yes, it is Ecopack2 compliant.
