Overview
The STM32L151C6T6A is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 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 low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals. The STM32L151C6T6A integrates high-speed embedded memories, including up to 128 Kbytes of Flash memory, up to 32 Kbytes of RAM, and up to 4 Kbytes of true EEPROM. It also features advanced communication interfaces such as USB, USART, SPI, and I2C, making it suitable for various applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 85°C (or -40°C to 105°C for some versions) |
| Package | 48-LQFP (7x7 mm) |
| Flash Memory | Up to 128 Kbytes |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes |
| ADC | 12-bit, up to 24 channels |
| DAC | 12-bit, 2 channels |
| Timers | 6x 16-bit timers, 2x basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, 3x USART, 2x SPI, 2x I2C |
| Capacitive Sensing Channels | Up to 20 channels |
| I/Os | Up to 83 fast I/Os (37 high current) |
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 32 MHz frequency
- High-speed embedded memories: up to 128 Kbytes Flash, up to 32 Kbytes RAM, and up to 4 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USART, SPI, I2C
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- Internal multispeed low-power oscillators and PLL for CPU clock and USB
- Development support: serial wire debug, JTAG, and trace supported
Applications
- Low-power industrial control systems
- Smart energy management systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and wireless sensor networks
Q & A
- What is the core processor of the STM32L151C6T6A?
The core processor is the ARM® Cortex®-M3 32-bit RISC CPU.
- What is the operating voltage range of the STM32L151C6T6A?
The operating voltage range is from 1.65 V to 3.6 V.
- What are the available memory types and sizes in the STM32L151C6T6A?
The device has up to 128 Kbytes of Flash memory, up to 32 Kbytes of RAM, and up to 4 Kbytes of EEPROM.
- What communication interfaces are available on the STM32L151C6T6A?
The device features USB 2.0, 3x USART, 2x SPI, and 2x I2C interfaces.
- What is the maximum frequency of the STM32L151C6T6A?
The maximum frequency is up to 32 MHz.
- Does the STM32L151C6T6A support capacitive sensing?
Yes, it supports up to 20 capacitive sensing channels.
- What are the power-saving modes available in the STM32L151C6T6A?
The device offers Standby, Stop, and Low-power Run modes.
- Is the STM32L151C6T6A suitable for high-temperature applications?
Yes, it operates in the temperature range of -40°C to 85°C (or up to 105°C for some versions).
- What is the package type of the STM32L151C6T6A?
The package type is 48-LQFP (7x7 mm).
- Does the STM32L151C6T6A have a real-time clock?
Yes, it includes a real-time clock with sub-second counting and backup registers.
