Overview
The STM32L152VDT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 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, offering a comprehensive set of power-saving modes and advanced peripherals. The device includes high-speed embedded memories such as up to 384 Kbytes of Flash memory and 48 Kbytes of RAM, along with a memory protection unit (MPU) and a flexible static memory controller (FSMC) interface. The STM32L152VDT6 also features a rich set of analog and digital peripherals, including operational amplifiers, ADCs, DACs, comparators, and various communication interfaces like USB, USART, SPI, and I2C.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M3 32-bit CPU |
| Maximum Clock Frequency | Up to 32 MHz |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to +85°C (or +105°C for some packages) |
| Flash Memory | Up to 384 Kbytes with ECC |
| RAM | Up to 48 Kbytes |
| EEPROM | 12 Kbytes with ECC |
| Backup Register | 128 bytes |
| ADC Resolution | 12-bit, up to 40 channels |
| DAC Resolution | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 1x 32-bit, 6x 16-bit, 2x basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, up to 3x USART, up to 3x SPI, up to 2x I2C, I2S, SDIO |
| 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)
- Arm® Cortex®-M3 32-bit CPU with up to 33.3 DMIPS peak performance
- High-speed embedded memories: up to 384 Kbytes of Flash memory and 48 Kbytes of RAM
- Rich set of analog peripherals: 3 operational amplifiers, 12-bit ADC, 12-bit DACs, 2 ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, USART, SPI, I2C, I2S, SDIO
- Up to 34 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except for STM32L151xD devices) with LCD voltage generator
- Real-time clock and backup registers
- Low-power, ultra-safe BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR
- Clock sources including crystal oscillators, internal RC oscillators, and PLL for CPU clock and USB
- Pre-programmed bootloader and support for serial wire debug, JTAG, and trace
Applications
The STM32L152VDT6 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 requiring low power and high reliability
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those needing low-power modes
- IoT devices and sensor networks
- Portable and battery-powered devices
Q & A
- What is the core architecture of the STM32L152VDT6?
The STM32L152VDT6 is based on the Arm® Cortex®-M3 32-bit RISC core.
- What is the maximum clock frequency of the STM32L152VDT6?
The maximum clock frequency is up to 32 MHz.
- What is the power supply voltage range for the STM32L152VDT6?
The power supply voltage range is from 1.65 V to 3.6 V.
- What types of memory does the STM32L152VDT6 have?
The device includes up to 384 Kbytes of Flash memory, 48 Kbytes of RAM, and 12 Kbytes of true EEPROM.
- What are the key analog peripherals of the STM32L152VDT6?
The key analog peripherals include 3 operational amplifiers, a 12-bit ADC, 2 DACs, and 2 ultra-low-power comparators.
- Does the STM32L152VDT6 support touch sensing functionality?
Yes, it supports up to 34 capacitive sensing channels for touch sensing functionality.
- What communication interfaces are available on the STM32L152VDT6?
The device includes USB 2.0, USART, SPI, I2C, I2S, and SDIO interfaces.
- What is the operating temperature range of the STM32L152VDT6?
The operating temperature range is from -40°C to +85°C (or +105°C for some packages).
- Does the STM32L152VDT6 have an integrated LCD controller?
Yes, it includes an integrated LCD controller with an LCD voltage generator, except for the STM32L151xD devices.
- What are the power-saving modes available on the STM32L152VDT6?
The device offers multiple power-saving modes including Standby, Stop, and Low-power run modes.
- Is the STM32L152VDT6 RoHS compliant?
Yes, the STM32L152VDT6 is RoHS compliant with an Ecopack2 grade.
