Overview
The STM32L152VCT6TR is an ultra-low-power microcontroller unit (MCU) from STMicroelectronics, part of the STM32L series. This device is built around the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. It is designed to provide exceptional performance while minimizing power consumption, making it ideal for battery-powered devices and applications requiring low energy usage.
The MCU features a wide voltage range of 1.65 V to 3.6 V and operates within a temperature range of -40 °C to 105 °C. Its ultra-low-power modes include a standby mode consuming 0.29µA and a stop mode consuming 0.44µA, enhancing its suitability for energy-efficient applications.
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 |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 °C to 105 °C |
| Low-Power Modes | Standby: 0.29µA, Stop: 0.44µA, Low-power run: 8.6 µA, Run: 185 µA/MHz |
| I/Os | Up to 83 fast I/Os (70 I/Os 5V tolerant) |
| 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 |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, up to 8x SPIs (2x I2S, 3x 16 Mbit/s), 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 |
| Package/Case | LQFP-100 |
Key Features
- Ultra-Low Power Consumption: Standby mode at 0.29µA, Stop mode at 0.44µA, and low-power run mode at 8.6 µA.
- High-Performance Core: ARM® Cortex®-M3 32-bit CPU operating up to 32 MHz.
- Rich Analog Peripherals: Includes 2x operational amplifiers, 12-bit ADC (1Msps, up to 25 channels), 12-bit DAC (2 channels with output buffers), and 2x ultra-low-power comparators.
- Extensive Communication Interfaces: 1x USB 2.0, 3x USARTs, up to 8x SPIs (2x I2S, 3x 16 Mbit/s), and 2x I2Cs (SMBus/PMBus).
- Multiple Timers and Watchdogs: 1x 32-bit timer, 6x 16-bit timers with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, and 2x watchdog timers.
- Development Support: Serial wire debug, JTAG, and trace supported.
- Memory Protection and Management: Memory protection unit, low-power BOR (brownout reset), ultra-low-power POR/PDR, and programmable voltage detector (PVD).
Applications
- Battery-Powered Devices: Ideal for devices requiring low power consumption, such as smart meters, fitness trackers, and wireless sensors.
- Industrial Automation: Suitable for control systems, motor control, and other industrial applications where low power and high performance are critical.
- Medical Devices: Can be used in medical devices that require low power consumption and high reliability, such as portable diagnostic equipment and wearable health monitors.
- Consumer Electronics: Applicable in various consumer electronics like smart home devices, audio equipment, and gaming peripherals.
- Automotive Systems: Used in automotive systems that demand low power and high performance, such as infotainment systems and driver assistance systems.
Q & A
- What is the core architecture of the STM32L152VCT6TR?
The STM32L152VCT6TR is based on the ARM® Cortex®-M3 32-bit RISC core.
- What is the operating frequency of the STM32L152VCT6TR?
The operating frequency can go up to 32 MHz.
- What are the power supply and temperature ranges of the STM32L152VCT6TR?
The power supply range is 1.65 V to 3.6 V, and the temperature range is -40 °C to 105 °C.
- What are the low-power modes and their respective current consumptions?
Standby mode: 0.29µA, Stop mode: 0.44µA, Low-power run mode: 8.6 µA, Run mode: 185 µA/MHz.
- What types of analog peripherals are included in the STM32L152VCT6TR?
2x operational amplifiers, 12-bit ADC (1Msps, up to 25 channels), 12-bit DAC (2 channels with output buffers), and 2x ultra-low-power comparators.
- What communication interfaces are available on the STM32L152VCT6TR?
1x USB 2.0, 3x USARTs, up to 8x SPIs (2x I2S, 3x 16 Mbit/s), and 2x I2Cs (SMBus/PMBus).
- What types of timers and watchdogs are available on the STM32L152VCT6TR?
1x 32-bit timer, 6x 16-bit timers with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, and 2x watchdog timers.
- What kind of development support does the STM32L152VCT6TR offer?
Serial wire debug, JTAG, and trace are supported.
- What is the package type of the STM32L152VCT6TR?
LQFP-100.
- What are some typical applications for the STM32L152VCT6TR?
Battery-powered devices, industrial automation, medical devices, consumer electronics, and automotive systems.
