Overview
The STM32L151VDT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151xD and STM32L152xD series. It features 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, offering a comprehensive set of power-saving modes and advanced peripherals. The device includes high-speed embedded memories, a flexible static memory controller, and an extensive range of enhanced I/Os and peripherals connected to two APB buses.
The STM32L151VDT6 is particularly suited for applications requiring low power consumption, high performance, and advanced communication interfaces. It supports a wide range of operating conditions, making it versatile for various industrial and consumer applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz (33.3 DMIPS peak) |
| Flash Memory | 384 Kbytes with ECC (2 banks of 192 Kbytes) |
| RAM | 48 Kbytes |
| EEPROM | 12 Kbytes with ECC |
| Backup Register | 128 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 105°C |
| Power Modes | Standby: 305 nA (3 wakeup pins), Stop: 0.475 µA (16 wakeup lines), Low-power Run: 11 µA, Run: 230 µA/MHz |
| Communication Interfaces | USB 2.0, up to 5 USARTs, up to 8 SPIs, 2 I2Cs, 1 SDIO, 2 I2S |
| Timers | 1x 32-bit, 6x 16-bit, 2x 16-bit basic timers, 2x watchdog timers |
| Analog Peripherals | 3 operational amplifiers, 12-bit ADC (up to 40 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
| Capacitive Sensing Channels | Up to 34 channels |
| Package | LQFP 100 (14x14x1.4 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power Run, Run)
- High-performance Arm® Cortex®-M3 32-bit CPU with up to 33.3 DMIPS peak performance
- High-speed embedded memories: 384 Kbytes of Flash, 48 Kbytes of RAM, 12 Kbytes of true EEPROM
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, SDIO, I2S
- Rich analog peripherals: operational amplifiers, ADC, DAC, ultra-low-power comparators
- Up to 34 capacitive sensing channels for touch sensing functionality
- CRC calculation unit, 96-bit unique ID, and memory protection unit
- Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds and programmable voltage detector (PVD)
- Pre-programmed bootloader and support for serial wire debug, JTAG, and trace
- Up to 116 fast I/Os (102 I/Os 5V tolerant) and 16 external interrupt vectors
Applications
- Industrial automation and control systems
- Consumer electronics requiring low power consumption
- Medical devices and healthcare equipment
- Automotive systems and telematics
- IoT devices and smart home applications
- Portable and battery-powered devices
Q & A
- What is the core architecture of the STM32L151VDT6?
The STM32L151VDT6 features an Arm® Cortex®-M3 32-bit RISC core.
- What is the maximum frequency of the STM32L151VDT6?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L151VDT6?
The device operates from 1.65 V to 3.6 V.
- What are the key power-saving modes of the STM32L151VDT6?
The device supports Standby, Stop, Low-power Run, and Run modes.
- What types of communication interfaces does the STM32L151VDT6 support?
The device supports USB 2.0, USARTs, SPIs, I2Cs, SDIO, and I2S interfaces.
- How many capacitive sensing channels does the STM32L151VDT6 have?
The device has up to 34 capacitive sensing channels.
- What is the memory configuration of the STM32L151VDT6?
The device has 384 Kbytes of Flash memory, 48 Kbytes of RAM, and 12 Kbytes of true EEPROM.
- Does the STM32L151VDT6 support LCD driving?
No, the STM32L151VDT6 does not include an LCD driver.
- What is the temperature range for the STM32L151VDT6?
The device operates in the -40°C to 105°C temperature range.
- What package options are available for the STM32L151VDT6?
The device is available in LQFP 100 (14x14x1.4 mm) package.
