Overview
The STM32L151VCT6D is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151/152 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 provide high performance while minimizing power consumption, making it suitable for a wide range of applications, including medical, industrial, and consumer devices. The STM32L151VCT6D features advanced peripherals, extensive power-saving modes, and robust communication interfaces, ensuring versatility and efficiency in various use cases.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Operating Frequency | Up to 32 MHz |
| Memory | 256 Kbytes of Flash memory with ECC, 32 Kbytes of RAM, 8 Kbytes of true EEPROM with ECC, 128-byte backup register |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 °C to 105 °C |
| Power Modes | Standby mode: 0.29 µA (3 wakeup pins), Stop mode: 0.44 µA (16 wakeup lines), Low-power run mode: 8.6 µA, Run mode: 185 µA/MHz |
| Communication Interfaces | USB 2.0, 3x USARTs, up to 8x SPIs (2x I2S), 2x I2Cs (SMBus/PMBus) |
| Timers | 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Analog Peripherals | 2x operational amplifiers, 12-bit ADC 1Msps up to 25 channels, 12-bit DAC 2 channels with output buffers, 2x ultra-low-power comparators |
| Capacitive Sensing Channels | Up to 23 channels |
| Package | LQFP 100 14x14x1.4 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Run mode)
- High-performance ARM Cortex-M3 32-bit CPU with up to 32 MHz frequency
- Rich set of peripherals including operational amplifiers, ADC, DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and I2S
- Extensive timer capabilities: 1x 32-bit, 6x 16-bit, and 2x basic timers
- Up to 23 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers for persistent data storage
- Support for serial wire debug, JTAG, and trace for development
- Up to 83 fast I/Os with 70 I/Os 5V tolerant
Applications
- Medical devices: Due to its low power consumption and robust peripherals, it is suitable for medical applications such as portable health monitors and diagnostic equipment.
- Industrial automation: The device's advanced communication interfaces and timer capabilities make it ideal for industrial control systems and automation.
- Consumer electronics: It can be used in various consumer devices such as smart home appliances, wearable devices, and other low-power consumer electronics.
- IoT devices: The ultra-low-power features and extensive peripherals make it a good fit for Internet of Things (IoT) applications.
Q & A
- What is the core architecture of the STM32L151VCT6D?
The STM32L151VCT6D is based on the ARM Cortex-M3 32-bit RISC core.
- What is the operating frequency range of the STM32L151VCT6D?
The operating frequency range is up to 32 MHz.
- What are the power supply voltage and temperature range for the STM32L151VCT6D?
The power supply voltage is 1.65 V to 3.6 V, and the temperature range is -40 °C to 105 °C.
- What are the key power-saving modes of the STM32L151VCT6D?
The device features Standby mode (0.29 µA), Stop mode (0.44 µA), Low-power run mode (8.6 µA), and Run mode (185 µA/MHz).
- What communication interfaces are available on the STM32L151VCT6D?
The device includes USB 2.0, 3x USARTs, up to 8x SPIs (2x I2S), and 2x I2Cs (SMBus/PMBus).
- What analog peripherals are included in the STM32L151VCT6D?
The device features 2x operational amplifiers, a 12-bit ADC 1Msps up to 25 channels, a 12-bit DAC 2 channels with output buffers, and 2x ultra-low-power comparators.
- How many capacitive sensing channels does the STM32L151VCT6D support?
The device supports up to 23 capacitive sensing channels.
- What is the package type of the STM32L151VCT6D?
The package type is LQFP 100 14x14x1.4 mm.
- Does the STM32L151VCT6D support debug and trace capabilities?
Yes, it supports serial wire debug, JTAG, and trace for development.
- How many I/Os are available on the STM32L151VCT6D?
The device has up to 83 fast I/Os with 70 I/Os 5V tolerant.
