Overview
The STM32L152VCT6A is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the Arm® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed to offer high performance while minimizing power consumption, making it ideal for battery-powered and energy-efficient applications. The STM32L152VCT6A integrates a range of peripherals, including USB, ADC, DAC, and various communication interfaces, along with advanced power-saving modes.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® Cortex®-M3 32-bit RISC core |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | 256 Kbytes with ECC |
| RAM | 32 Kbytes |
| EEPROM | 8 Kbytes with ECC |
| Backup Register | 128 bytes |
| Power Supply | 1.65 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40°C to +85°C or -40°C to +105°C |
| ADC | 12-bit, up to 40 channels, 1 Msps |
| DAC | 12-bit, 2 channels with output buffers |
| Operational Amplifiers | 2 |
| Comparators | 2 ultra-low-power comparators |
| Timers | 1x 32-bit, 6x 16-bit, 2x basic timers |
| Communication Interfaces | USB 2.0, up to 3x USARTs, up to 3x SPIs, up to 2x I2Cs, 2x I2S |
| LCD Controller | Up to 8x40 segments, contrast adjustment, blinking mode |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run mode)
- High-performance Arm® Cortex®-M3 32-bit RISC core
- Rich set of peripherals including operational amplifiers, ADC, DAC, and comparators
- Advanced communication interfaces such as USB 2.0, USARTs, SPIs, I2Cs, and I2S
- LCD driver capable of driving up to 8x40 segments with contrast adjustment and blinking mode
- Up to 23 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers for persistent data storage
- DMA controller with 12 channels for efficient data transfer
Applications
The STM32L152VCT6A is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Battery-powered devices such as smart meters, fitness trackers, and medical devices
- Industrial automation and control systems
- Consumer electronics requiring touch sensing and LCD displays
- IoT devices and wireless sensor networks
- Automotive systems where low power and reliability are critical
Q & A
- What is the core architecture of the STM32L152VCT6A?
The STM32L152VCT6A is based on the Arm® Cortex®-M3 32-bit RISC core. - What is the maximum operating frequency of the STM32L152VCT6A?
The maximum operating frequency is up to 32 MHz. - How much Flash memory does the STM32L152VCT6A have?
The device has 256 Kbytes of Flash memory with ECC. - What are the power supply voltage ranges for the STM32L152VCT6A?
The device operates from 1.65 V to 3.6 V (down to 1.65 V at power down). - What are the temperature ranges for the STM32L152VCT6A?
The device operates in the -40°C to +85°C or -40°C to +105°C temperature ranges. - Does the STM32L152VCT6A support USB?
Yes, it supports USB 2.0 with an internal 48 MHz PLL. - What types of timers are available on the STM32L152VCT6A?
The device includes 1x 32-bit timer, 6x 16-bit timers, and 2x basic timers. - Can the STM32L152VCT6A drive LCD displays?
Yes, it includes an LCD controller capable of driving up to 8x40 segments with contrast adjustment and blinking mode. - What is the purpose of the backup registers in the STM32L152VCT6A?
The backup registers remain powered in Standby mode, allowing for persistent data storage. - How many capacitive sensing channels does the STM32L152VCT6A support?
The device supports up to 23 capacitive sensing channels.
