Overview
The STM32L152VBH6A 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, featuring a comprehensive set of power-saving modes, including Standby, Stop, and Low-power run modes. The device operates from a 1.8 to 3.6 V power supply and is available in temperature ranges of -40 to +85 °C and -40 to +105 °C.
Key Specifications
| Parameter | Specification |
|---|---|
| Part Number | STM32L152VBH6A |
| Core Processor | ARM® Cortex®-M3 32-bit |
| Core Speed | Up to 32 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 16 KB (16K x 8) |
| EEPROM Size | 4 KB (4K x 8) |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C / -40 °C to +105 °C |
| Package | 100-pin UFBGA |
| Number of I/Os | 83 |
| ADC | 24 channels, 12-bit |
| DAC | 2 channels, 12-bit |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers |
| Communication Interfaces | Up to 2 I2Cs, 2 SPIs, 3 USARTs, USB |
| Comparators | 2 ultra-low-power comparators |
| LCD Controller | Integrated LCD controller (except STM32L151x6/8/B-A devices) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- High-performance ARM® Cortex®-M3 32-bit RISC core operating at up to 32 MHz
- High-speed embedded memories: 128 KB Flash, 16 KB RAM, 4 KB EEPROM
- Extensive range of enhanced I/Os and peripherals connected to two APB buses
- Advanced communication interfaces: up to two I2Cs, two SPIs, three USARTs, and a USB
- Integrated LCD controller with built-in LCD voltage generator (except STM32L151x6/8/B-A devices)
- Real-time clock with sub-second counting and backup registers
- Up to 20 capacitive sensing channels for touch sensing functionality
- Ultra-low-power comparators and high-speed timers
Applications
- Low-power industrial control and automation
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems where power efficiency is critical
- IoT devices and sensor networks
- Energy harvesting and battery-powered devices
Q & A
- What is the core processor of the STM32L152VBH6A?
The core processor is the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L152VBH6A?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L152VBH6A?
The device operates from a 1.8 to 3.6 V power supply.
- What are the key power-saving modes of the STM32L152VBH6A?
The key power-saving modes include Standby, Stop, and Low-power run modes.
- What types of communication interfaces are available on the STM32L152VBH6A?
The device features up to two I2Cs, two SPIs, three USARTs, and a USB.
- Does the STM32L152VBH6A have an integrated LCD controller?
Yes, it has an integrated LCD controller with a built-in LCD voltage generator (except for STM32L151x6/8/B-A devices).
- What is the temperature range for the STM32L152VBH6A?
The operating temperature range is -40 °C to +85 °C / -40 °C to +105 °C.
- How many I/Os does the STM32L152VBH6A have?
The device has 83 I/Os.
- What types of timers are available on the STM32L152VBH6A?
The device features six general-purpose 16-bit timers and two basic timers.
- Does the STM32L152VBH6A support touch sensing functionality?
Yes, it supports up to 20 capacitive sensing channels for touch sensing functionality.
