Overview
The STM32L151VET6, produced by STMicroelectronics, is an ultra-low-power microcontroller based on the Arm Cortex-M3 32-bit RISC core. This device is part of the STM32L151xE and STM32L152xE series, which integrate high-performance processing with advanced peripherals and low-power capabilities. The STM32L151VET6 operates at a frequency of up to 32 MHz and features a comprehensive set of power-saving modes, making it ideal for low-power applications. It includes a range of enhanced I/Os and peripherals, such as USB, USART, SPI, I2C, and analog components like operational amplifiers, ADCs, and DACs.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm Cortex-M3 32-bit CPU |
| Operating 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 |
| ADC | 12-bit, 1 Msps, up to 40 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 1x 32-bit, 6x 16-bit, 2x basic timers |
| Communication Interfaces | USB 2.0, 5x USARTs, up to 8x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 34 channels |
| Package | LQFP 100 14x14x1.4 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Low-power sleep)
- Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR
- Rich analog peripherals including 2 operational amplifiers, 12-bit ADC, and 12-bit DAC
- 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 USB and USART
- Up to 116 fast I/Os (102 I/Os 5V tolerant) with 16 external interrupt vectors
Applications
The STM32L151VET6 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
Q & A
- What is the core architecture of the STM32L151VET6?
The STM32L151VET6 is based on the Arm Cortex-M3 32-bit RISC core. - What is the maximum operating frequency of the STM32L151VET6?
The maximum operating frequency is up to 32 MHz. - What are the power supply voltage ranges for the STM32L151VET6?
The device operates from a 1.65 V to 3.6 V power supply. - What are the temperature ranges for the STM32L151VET6?
The device operates in the -40 °C to 105 °C temperature range. - What types of memory does the STM32L151VET6 have?
The device includes 512 Kbytes of Flash memory, 80 Kbytes of RAM, and 16 Kbytes of true EEPROM. - What are the key analog peripherals of the STM32L151VET6?
The device features 2 operational amplifiers, a 12-bit ADC, and a 12-bit DAC. - Does the STM32L151VET6 support capacitive sensing?
Yes, it supports up to 34 capacitive sensing channels. - What communication interfaces are available on the STM32L151VET6?
The device includes USB 2.0, 5 USARTs, up to 8 SPIs, and 2 I2Cs. - What is the package type of the STM32L151VET6?
The device is available in an LQFP 100 package (14x14x1.4 mm). - What are the power-saving modes available on the STM32L151VET6?
The device features multiple power-saving modes including Standby, Stop, Low-power run, and Low-power sleep.
