Overview
The STM32L152VBT6A is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151x6/8/B-A and STM32L152x6/8/B-A series. It features the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for low-power applications and includes a range of peripherals and interfaces such as USB, USART, SPI, I2C, and more. The microcontroller also supports touch sensing functionality with up to 20 capacitive sensing channels and includes an integrated LCD controller for driving up to 8 multiplexed LCDs.
Key Specifications
Parameter | Specification |
---|---|
Core | ARM® Cortex®-M3 32-bit CPU |
Maximum Clock Frequency | 32 MHz |
Power Supply | 1.65 V to 3.6 V |
Temperature Range | -40 °C to 105 °C |
Flash Memory | Up to 128 Kbytes |
RAM | Up to 32 Kbytes |
EEPROM | Up to 4 Kbytes with ECC |
ADC Resolution | 12-bit, up to 24 channels |
DAC Channels | 2 channels with output buffers |
Timers | 6 general-purpose 16-bit timers, 2 basic timers, 2 watchdog timers |
Communication Interfaces | USB 2.0, 3 USARTs, 2 SPIs, 2 I2Cs |
Capacitive Sensing Channels | Up to 20 channels |
Package | LQFP 100 14x14x1.4 mm, UFBGA 100 7x7x0.6 P 0.5 mm |
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
- Integrated LCD controller for up to 8 multiplexed LCDs
- Rich analog peripherals including 12-bit ADC, 2 DACs, and 2 ultra-low-power comparators
- Extensive range of enhanced I/Os and peripherals connected to two APB buses
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR
- Support for serial wire debug, JTAG, and trace
Applications
- Low-power industrial control 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 smart sensors
Q & A
- What is the maximum clock frequency of the STM32L152VBT6A?
The maximum clock frequency is 32 MHz.
- What is the power supply range for the STM32L152VBT6A?
The power supply range is from 1.65 V to 3.6 V.
- What is the temperature range for the STM32L152VBT6A?
The temperature range is from -40 °C to 105 °C.
- How much flash memory does the STM32L152VBT6A have?
The device has up to 128 Kbytes of flash memory.
- What communication interfaces are available on the STM32L152VBT6A?
The device includes USB 2.0, 3 USARTs, 2 SPIs, and 2 I2Cs.
- Does the STM32L152VBT6A support touch sensing?
Yes, it supports up to 20 capacitive sensing channels for touch sensing functionality.
- What is the package type for the STM32L152VBT6A?
The device is available in LQFP 100 14x14x1.4 mm and UFBGA 100 7x7x0.6 P 0.5 mm packages.
- Does the STM32L152VBT6A have an integrated LCD controller?
Yes, it includes an integrated LCD controller for driving up to 8 multiplexed LCDs.
- What are the power-saving modes available on the STM32L152VBT6A?
The device features Standby, Stop, and Low-power Run modes.
- Is the STM32L152VBT6A RoHS compliant?
Yes, the device is RoHS compliant.