Overview
The STM32L151C6U6A is an ultra-low-power microcontroller from STMicroelectronics, based on the ARM Cortex-M3 32-bit RISC core. This device is part of the STM32L series, known for its high performance and low power consumption. The STM32L151C6U6A operates at a frequency of up to 32 MHz and features a comprehensive set of peripherals and interfaces, making it suitable for a wide range of applications that require low power and high functionality.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| 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 | 1.65 V to 3.6 V |
| Temperature Range | -40°C to +105°C |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USART, 2x SPI, 2x I2C |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power Run)
- High-performance ARM Cortex-M3 32-bit CPU with up to 33.3 DMIPS at 32 MHz
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Extensive range of enhanced I/Os and peripherals connected to two APB buses
- Up to 83 fast I/Os (73 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
- Integrated LCD controller (except STM32L151x6/8/B devices) for up to 8x40 segments
- Real-time clock with sub-second counting and backup registers
- Support for capacitive sensing with up to 20 channels
- CRC calculation unit and 96-bit unique ID
Applications
- Low-power industrial control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems where low power and high reliability are crucial
- IoT devices that need to operate on battery power for extended periods
Q & A
- What is the core architecture of the STM32L151C6U6A?
The STM32L151C6U6A is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151C6U6A?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L151C6U6A?
The power supply range is from 1.65 V to 3.6 V.
- What are the key analog peripherals of the STM32L151C6U6A?
The key analog peripherals include a 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators.
- Does the STM32L151C6U6A support capacitive sensing?
- What communication interfaces are available on the STM32L151C6U6A?
The available communication interfaces include 1x USB 2.0, 3x USART, 2x SPI, and 2x I2C.
- What is the temperature range for the STM32L151C6U6A?
The temperature range is from -40°C to +105°C.
- What package options are available for the STM32L151C6U6A?
The available package is UFQFPN 48 7x7x0.55 mm.
- Does the STM32L151C6U6A have an integrated LCD controller?
No, the STM32L151C6U6A does not have an integrated LCD controller.
- What are the power-saving modes available on the STM32L151C6U6A?
The available power-saving modes include Standby, Stop, and Low-power Run.
