Overview
The STM32L152V8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L 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 a wide range of peripherals and interfaces. The device includes high-speed embedded memories, extensive I/Os, and advanced communication interfaces, making it suitable for various applications requiring low power consumption and high performance.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 85°C/105°C |
| Standby Mode Current | 0.3 µA (3 wakeup pins), 0.9 µA (with RTC) |
| Stop Mode Current | 0.57 µA (16 wakeup lines), 1.2 µA (with RTC) |
| Low-Power Run Mode Current | 9 µA |
| Run Mode Current | 214 µA/MHz |
| I/O Leakage | 10 nA ultra-low |
| Wakeup Time | < 8 µs |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 10 timers: 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | LQFP 100 14x14x1.4 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- High-performance ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- High-speed embedded memories: up to 128 Kbytes Flash, up to 16 Kbytes RAM, and up to 4 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
- Up to 83 fast I/Os (73 I/Os 5V tolerant) with 16 external interrupt vectors
- Integrated LCD controller (except STM32L151x/6/8/B devices) for up to 8x40 segments
- Support for touch sensing with up to 20 capacitive sensing channels
- DMA controller with 7 channels and CRC calculation unit
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
Applications
- Low-power industrial control systems
- Smart energy management systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems where low power and high performance are critical
- IoT devices and wireless sensor networks
Q & A
- What is the core architecture of the STM32L152V8T6?
The STM32L152V8T6 is based on the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum frequency of the STM32L152V8T6?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L152V8T6?
The device operates from 1.65 V to 3.6 V.
- What are the key power-saving modes of the STM32L152V8T6?
The device features Standby, Stop, and Low-power run modes.
- How much current does the STM32L152V8T6 consume in Standby mode?
It consumes 0.3 µA (3 wakeup pins) and 0.9 µA (with RTC).
- What types of communication interfaces does the STM32L152V8T6 support?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L152V8T6 have an integrated LCD controller?
Yes, it supports up to 8x40 segments, except for STM32L151x/6/8/B devices.
- How many capacitive sensing channels does the STM32L152V8T6 support?
It supports up to 20 capacitive sensing channels.
- What is the temperature range for the STM32L152V8T6?
The operating temperature range is -40°C to 85°C/105°C.
- What package options are available for the STM32L152V8T6?
The device is available in LQFP 100 14x14x1.4 mm and UFBGA 100 7x7x0.6 P 0.5 mm packages.
