Overview
The STM32L151VET6DTR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151xE and STM32L152xE series. It integrates the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for low-power applications, featuring a comprehensive set of power-saving modes and a wide range of peripherals and interfaces.
The device includes high-speed embedded memories such as 512 Kbytes of Flash memory, 80 Kbytes of RAM, and 16 Kbytes of true EEPROM. It also features advanced communication interfaces, including USB, USART, SPI, I2C, and I2S, making it versatile for various applications.
The STM32L151VET6DTR operates within a temperature range of -40 °C to 105 °C and supports a power supply from 1.65 V to 3.6 V, making it suitable for industrial and other demanding environments.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Flash Memory | 512 Kbytes with ECC (2 banks of 256 Kbytes) |
| RAM | 80 Kbytes |
| EEPROM | 16 Kbytes with ECC |
| Backup Register | 128 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 °C to 105 °C |
| Package | LQFP 100 14x14x1.4 mm |
| Analog Peripherals | 2x operational amplifiers, 12-bit ADC, 2x DACs, 2x ultra-low-power comparators |
| Communication Interfaces | USB 2.0, up to 3x USART, up to 3x SPI, up to 2x I2C, up to 2x I2S |
| Timers | 1x 32-bit, 6x 16-bit, 2x basic timers |
| Capacitive Sensing Channels | Up to 34 channels |
| Low-Power Modes | Standby, Stop, Low-power run, Low-power sleep |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Low-power sleep)
- High-performance Arm® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- High-speed embedded memories: 512 Kbytes of Flash, 80 Kbytes of RAM, and 16 Kbytes of true EEPROM
- Rich analog peripherals: 2x operational amplifiers, 12-bit ADC, 2x DACs, 2x ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, USART, SPI, I2C, I2S
- Up to 34 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers
- Internal multispeed low-power oscillators and PLL for CPU clock and USB
- Pre-programmed bootloader and support for serial wire debug, JTAG, and trace
- Low-power, ultrasafe BOR (brownout reset) and programmable voltage detector (PVD)
Applications
The STM32L151VET6DTR is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics requiring low power and high functionality
- IoT devices and smart home applications
- Automotive systems and telematics
- Energy management and metering systems
Q & A
- What is the core architecture of the STM32L151VET6DTR?
The core architecture is based on the Arm® Cortex®-M3 32-bit RISC CPU.
- What is the maximum frequency of the CPU?
The CPU operates at a maximum frequency of 32 MHz.
- What types of memory does the STM32L151VET6DTR have?
The device includes 512 Kbytes of Flash memory, 80 Kbytes of RAM, and 16 Kbytes of true EEPROM.
- What are the power supply and temperature ranges for the STM32L151VET6DTR?
The device operates from a power supply of 1.65 V to 3.6 V and within a temperature range of -40 °C to 105 °C.
- What communication interfaces are available on the STM32L151VET6DTR?
The device features USB 2.0, USART, SPI, I2C, and I2S interfaces.
- Does the STM32L151VET6DTR support capacitive sensing?
Yes, it supports up to 34 capacitive sensing channels.
- What are the low-power modes available on the STM32L151VET6DTR?
The device supports Standby, Stop, Low-power run, and Low-power sleep modes.
- Is there a real-time clock and backup registers on the STM32L151VET6DTR?
Yes, the device includes a real-time clock and backup registers.
- What package options are available for the STM32L151VET6DTR?
The device is available in the LQFP 100 14x14x1.4 mm package.
- Does the STM32L151VET6DTR support debugging and tracing?
Yes, it supports serial wire debug, JTAG, and trace.
- What are some typical applications for the STM32L151VET6DTR?
Typical applications include industrial automation, medical devices, consumer electronics, IoT devices, automotive systems, and energy management systems.
