Overview
The STM32L151VET6D is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151xE and STM32L152xE series. It features 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 and includes a range of advanced peripherals and interfaces. The device is suitable for various applications, including industrial, automotive, and consumer electronics projects, due to its robust set of features and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M3 32-bit RISC core |
| Frequency | Up to 32 MHz (33.3 DMIPS) |
| Flash Memory | 512 Kbytes with ECC (2 banks of 256 Kbytes enabling RWW capability) |
| RAM | 80 Kbytes |
| EEPROM | 16 Kbytes of true EEPROM with ECC |
| Backup Register | 128-byte backup register |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C (or +105 °C for some packages) |
| Package | LQFP 100 14x14x1.4 mm |
| Timers | 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers |
| Communication Interfaces | Up to 2 I2Cs, 3 SPIs, 2 I2S, 3 USARTs, 2 UARTs, and 1 USB 2.0 |
| Analog Peripherals | 2x operational amplifiers, 1x 12-bit ADC, 2x 12-bit DACs, 2x ultra-low-power comparators |
| Capacitive Sensing Channels | Up to 34 channels |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Low-power sleep)
- Low-power consumption: 290 nA in Standby mode, 1.11 µA in Standby mode + RTC, 560 nA in Stop mode, and 1.4 µA in Stop mode + RTC
- High-speed embedded memories and extensive range of enhanced I/Os and peripherals
- Advanced communication interfaces including USB, USART, SPI, I2C, and I2S
- Rich analog peripherals including operational amplifiers, ADC, DAC, and ultra-low-power comparators
- Up to 34 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers that remain powered in Standby mode
- Integrated LCD controller (except for STM32L151xE devices) with LCD voltage generator
- Low-power, ultra-safe BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and clock sources including crystal oscillators and internal oscillators
Applications
The STM32L151VET6D is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Automotive systems requiring low power consumption and high performance
- Consumer electronics such as smart home devices, wearables, and IoT devices
- Medical devices that require precise and low-power operation
- Energy metering and monitoring systems
Q & A
- What is the core architecture of the STM32L151VET6D?
The core architecture is based on the Arm® Cortex®-M3 32-bit RISC core.
- What is the maximum frequency of the STM32L151VET6D?
The maximum frequency is up to 32 MHz.
- How much Flash memory does the STM32L151VET6D have?
The device has 512 Kbytes of Flash memory with ECC.
- What are the power-saving modes available on the STM32L151VET6D?
The device features Standby, Stop, Low-power run, and Low-power sleep modes.
- What is the operating temperature range of the STM32L151VET6D?
The operating temperature range is -40 °C to +85 °C (or +105 °C for some packages).
- What communication interfaces are available on the STM32L151VET6D?
The device includes USB 2.0, USART, SPI, I2C, and I2S interfaces.
- Does the STM32L151VET6D support touch sensing functionality?
Yes, it supports up to 34 capacitive sensing channels for touch sensing.
- What is the package type of the STM32L151VET6D?
The package type is LQFP 100 14x14x1.4 mm.
- Does the STM32L151VET6D have an integrated LCD controller?
No, the integrated LCD controller is not available on the STM32L151xE devices.
- What are the typical applications of the STM32L151VET6D?
Typical applications include industrial automation, automotive systems, consumer electronics, medical devices, and energy metering systems.
