Overview
The STM32L151VBT6A is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance ARM Cortex-M3 32-bit RISC core. This device operates at a frequency of 32 MHz, achieving 33.3 DMIPS. It integrates a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals connected to two APB buses. The STM32L151VBT6A is designed to provide high connectivity and performance while minimizing power consumption, making it ideal for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM Cortex-M3 32-bit RISC core |
| Operating Frequency | Up to 32 MHz (33.3 DMIPS) |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80-byte |
| Power Supply | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40°C to +85°C (extended to +105°C in low power dissipation state) |
| Package | 100-LQFP |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC (up to 24 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Timers | 6x 16-bit timers, 2x 16-bit basic timers, 2x watchdog timers |
| Capacitive Sensing Channels | Up to 20 channels |
Key Features
- Ultra-low-power platform with various power-saving modes
- High-performance ARM Cortex-M3 32-bit RISC core
- High-speed embedded memories: up to 128 Kbytes Flash, up to 16 Kbytes RAM, and up to 4 Kbytes EEPROM
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- Integrated LCD controller (except STM32L151x6/8/B devices) with built-in LCD voltage generator
- Ultra-safe, low-power BOR with 5 selectable thresholds and programmable voltage detector (PVD)
- Support for serial wire debug, JTAG, and trace
Applications
- Low-power consumer electronics
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Smart home and IoT devices
- Automotive systems where low power is critical
- Touch sensing applications such as touchkey, linear, and rotary touch sensors
Q & A
- What is the core processor of the STM32L151VBT6A?
The core processor is the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151VBT6A?
The maximum operating frequency is 32 MHz.
- How much Flash memory does the STM32L151VBT6A have?
The STM32L151VBT6A has up to 128 Kbytes of Flash memory with ECC.
- What is the power supply range for the STM32L151VBT6A?
The power supply range is from 1.8 to 3.6 V (down to 1.65 V at power down).
- What are the operating temperature ranges for the STM32L151VBT6A?
The operating temperature ranges are -40°C to +85°C, extended to +105°C in low power dissipation state.
- What types of communication interfaces does the STM32L151VBT6A support?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151VBT6A have touch sensing capabilities?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What kind of analog peripherals are available on the STM32L151VBT6A?
The device includes a 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators.
- Is the STM32L151VBT6A suitable for low-power applications?
Yes, it is designed with an ultra-low-power platform and various power-saving modes.
- Does the STM32L151VBT6A support debug and trace capabilities?
Yes, it supports serial wire debug, JTAG, and trace.
- What is the package type of the STM32L151VBT6A?
The package type is 100-LQFP.
