Overview
The STM32L051K6T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L051x6/8 series. It features the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for high power efficiency, making it suitable for a wide range of low-power applications. It includes a comprehensive set of power-saving modes, such as Standby, Stop, and low-power Run modes, ensuring minimal energy consumption.
The microcontroller comes with high-speed embedded memories, including up to 64 Kbytes of Flash program memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM, all with ECC. It also features a 20-byte backup register and sector protection against R/W operations. The device supports various clock sources, including crystal oscillators, internal RC oscillators, and a PLL for CPU clock.
The STM32L051K6T6TR is equipped with rich analog peripherals, including a 12-bit ADC, ultra-low-power comparators, and multiple timers. It also includes several communication interfaces such as USART, SPI, I2C, and a low-power UART. The device is available in LQFP 32 packages and operates within a temperature range of -40 to 125 °C.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ with MPU |
| Operating Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Flash Memory | Up to 64 Kbytes with ECC |
| RAM | 8 Kbytes |
| Data EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| ADC | 12-bit, 1.14 Msps, up to 16 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 9 timers including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs |
| Communication Interfaces | USART, SPI, I2C, low-power UART |
| Package | LQFP 32 7x7x1.4 mm |
| Power Consumption | 0.27 µA Standby mode, 0.4 µA Stop mode, 88 µA/MHz in Run mode |
Key Features
- Ultra-low-power platform: Offers various low-power modes such as Standby, Stop, and low-power Run modes.
- High-performance core: Arm 32-bit Cortex-M0+ with a memory protection unit (MPU).
- High-speed embedded memories: Up to 64 Kbytes of Flash memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM with ECC.
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, and multiple timers.
- Extensive communication interfaces: USART, SPI, I2C, and a low-power UART.
- Clock sources: Crystal oscillators, internal RC oscillators, and a PLL for CPU clock.
- Power management: Ultra-safe, low-power BOR (brownout reset), ultra-low-power POR/PDR, and programmable voltage detector (PVD).
- Development support: Serial wire debug supported and pre-programmed bootloader.
Applications
The STM32L051K6T6TR is suitable for a variety of low-power applications, including:
- IoT devices: Due to its ultra-low-power consumption, it is ideal for Internet of Things (IoT) applications that require long battery life.
- Industrial automation: Its robust features and low power consumption make it a good fit for industrial automation and control systems.
- Medical devices: The device's low power modes and high reliability make it suitable for medical devices that require continuous operation.
- Consumer electronics: It can be used in various consumer electronics that need to balance performance and power efficiency.
- Automotive systems: The device's ability to operate over a wide temperature range and its low power consumption make it suitable for automotive applications.
Q & A
- What is the core architecture of the STM32L051K6T6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ with a memory protection unit (MPU).
- What is the operating voltage range of the STM32L051K6T6TR?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the different power modes available on the STM32L051K6T6TR?
The device features Standby, Stop, and low-power Run modes, among others.
- How much Flash memory does the STM32L051K6T6TR have?
It has up to 64 Kbytes of Flash memory with ECC.
- What types of communication interfaces are available on the STM32L051K6T6TR?
The device supports USART, SPI, I2C, and a low-power UART.
- What is the temperature range for the STM32L051K6T6TR?
The device operates within a temperature range of -40 to 125 °C.
- Does the STM32L051K6T6TR support serial wire debug?
Yes, it supports serial wire debug.
- What types of timers are available on the STM32L051K6T6TR?
The device includes 9 timers, including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs.
- What is the package type for the STM32L051K6T6TR?
The device is available in LQFP 32 7x7x1.4 mm packages.
- How much current does the STM32L051K6T6TR consume in Standby mode?
The device consumes 0.27 µA in Standby mode with 2 wakeup pins.
