Overview
The STM32L152VET6D, produced by STMicroelectronics, is an ultra-low-power microcontroller unit (MCU) 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 STM32L152VET6D operates at a frequency of up to 32 MHz and features a memory protection unit, high-speed embedded memories, and a wide range of enhanced I/Os and peripherals.
The device is designed for applications requiring low power consumption, with various power-saving modes such as Standby, Stop, and Low-power run modes. It also includes a real-time clock, backup registers, and an integrated LCD controller (except for STM32L151xE devices), making it versatile for various industrial and consumer applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M3 32-bit CPU |
| Operating Frequency | Up to 32 MHz |
| Memory | 512 Kbytes of Flash memory, 80 Kbytes of RAM, 16 Kbytes of true EEPROM |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 °C to 105 °C |
| Low-Power Modes | Standby: 290 nA (3 wakeup pins), Stop: 560 nA (16 wakeup lines), Low-power run: 11 µA |
| Timers | 1x 32-bit, 6x 16-bit, 2x 16-bit basic timers, 2x watchdog timers |
| Analog Peripherals | 2x operational amplifiers, 12-bit ADC (1 Msps, up to 40 channels), 12-bit DAC (2 ch with output buffers), 2x ultra-low-power comparators |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, up to 8x SPIs (2x I2S), 2x I2Cs (SMBus/PMBus) |
| 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)
- Arm Cortex-M3 32-bit CPU with up to 32 MHz frequency and 1.25 DMIPS/MHz (Dhrystone 2.1)
- Memory protection unit and CRC calculation unit with 96-bit unique ID
- Rich analog peripherals including operational amplifiers, ADC, DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and I2S
- Up to 34 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except STM32L151xE devices) with LCD voltage generator
- Real-time clock and backup registers
- Low-power, ultrasafe BOR (brownout reset) and programmable voltage detector (PVD)
- Development support: serial wire debug, JTAG, and trace
Applications
The STM32L152VET6D is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Industrial automation and control systems
- Consumer electronics such as smart home devices and wearables
- Medical devices requiring low power and high reliability
- Automotive systems, especially those needing low-power modes
- IoT devices and smart sensors
Q & A
- What is the core architecture of the STM32L152VET6D?
The core architecture is based on the Arm Cortex-M3 32-bit RISC CPU.
- What is the operating frequency range of the STM32L152VET6D?
The operating frequency range is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L152VET6D?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the low-power modes available on the STM32L152VET6D?
The device features Standby, Stop, and Low-power run modes, among others.
- What types of timers are available on the STM32L152VET6D?
The device includes 1x 32-bit timer, 6x 16-bit timers, 2x 16-bit basic timers, and 2x watchdog timers.
- What analog peripherals are included in the STM32L152VET6D?
The device includes 2x operational amplifiers, a 12-bit ADC, 12-bit DACs, and 2x ultra-low-power comparators.
- What communication interfaces are supported by the STM32L152VET6D?
The device supports USB 2.0, USARTs, SPIs, I2Cs, and I2S interfaces.
- Does the STM32L152VET6D have capacitive sensing capabilities?
Yes, it supports up to 34 capacitive sensing channels.
- Is there an integrated LCD controller on the STM32L152VET6D?
Yes, the device includes an integrated LCD controller with an LCD voltage generator.
- What development tools are supported for the STM32L152VET6D?
The device supports serial wire debug, JTAG, and trace for development.
