Overview
The STM32L151CCU6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L 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 for applications requiring high performance and low power consumption, making it suitable for a wide range of uses, including industrial, medical, and consumer electronics.
The microcontroller features a comprehensive set of peripherals, including USB, USART, SPI, I2C, and I2S interfaces, along with advanced analog peripherals such as operational amplifiers, ADCs, and DACs. The device also includes a real-time clock, backup registers, and multiple power-saving modes to minimize energy consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Flash Memory | 256 Kbytes with ECC |
| RAM | 32 Kbytes |
| EEPROM | 8 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: 0.29 µA (3 wakeup pins), Stop: 0.44 µA (16 wakeup lines), Low-power Run: 8.6 µA, Run: 185 µA/MHz |
| Analog Peripherals | 2x Operational Amplifiers, 12-bit ADC (1 Msps, 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, 3x SPIs, 2x I2Cs, 2x I2S |
| Timers | 1x 32-bit, 6x 16-bit, 2x Basic Timers |
| Capacitive Sensing Channels | Up to 23 channels |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power Platform: Offers various power-saving modes such as Standby, Stop, and Low-power Run to minimize energy consumption.
- Advanced Analog Peripherals: Includes operational amplifiers, a 12-bit ADC, 12-bit DACs, and ultra-low-power comparators.
- Comprehensive Communication Interfaces: Features USB 2.0, multiple USARTs, SPIs, I2Cs, and I2S interfaces.
- Rich Timer and Clock Options: Includes a 32-bit timer, six 16-bit timers, and two basic timers, along with various clock sources.
- Capacitive Sensing: Supports up to 23 capacitive sensing channels for touch sensing applications.
- Real-Time Clock and Backup Registers: Includes a real-time clock and backup registers that remain powered in Standby mode.
- Development Support: Supports serial wire debug, JTAG, and trace for ease of development.
Applications
- Industrial Automation: Suitable for control and monitoring systems due to its low power consumption and rich set of peripherals.
- Medical Devices: Ideal for medical equipment requiring low power and high reliability.
- Consumer Electronics: Used in various consumer devices such as smart home appliances, wearables, and IoT devices.
- Automotive Systems: Can be used in automotive applications requiring low power and robust performance.
- Energy Metering and Smart Grids: Suitable for energy metering and smart grid applications due to its low power and advanced peripherals.
Q & A
- What is the core architecture of the STM32L151CCU6?
The STM32L151CCU6 is based on the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum frequency of the STM32L151CCU6?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L151CCU6?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the different power modes available on the STM32L151CCU6?
The device offers Standby, Stop, and Low-power Run modes to minimize energy consumption.
- What types of communication interfaces are available on the STM32L151CCU6?
The device features USB 2.0, USARTs, SPIs, I2Cs, and I2S interfaces.
- Does the STM32L151CCU6 support capacitive sensing?
Yes, it supports up to 23 capacitive sensing channels.
- What is the temperature range for the STM32L151CCU6?
The operating temperature range is from -40 °C to 105 °C.
- What types of timers are available on the STM32L151CCU6?
The device includes a 32-bit timer, six 16-bit timers, and two basic timers.
- Does the STM32L151CCU6 have a real-time clock?
Yes, it includes a real-time clock with backup registers.
- What development tools are supported by the STM32L151CCU6?
The device supports serial wire debug, JTAG, and trace for development.
