Overview
The STM32L051K8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It features the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for applications requiring high power efficiency and a wide range of performance capabilities. It includes a comprehensive set of power-saving modes, making it ideal for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M0+ 32-bit RISC core |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 64 Kbytes with ECC |
| RAM | 8 Kbytes |
| Data EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| Package | LQFP 32 7x7x1.4 mm |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, internal high-speed and low-power RC oscillators |
| Analog Peripherals | 12-bit ADC, 2 ultra-low-power comparators |
| Timers | 9 timers including 16-bit and ultra-low-power timers, SysTick, RTC, and watchdogs |
| Communication Interfaces | Up to two I2C, two SPIs, one I2S, two USARTs, low-power UART |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, and Sleep modes)
- High-performance Arm Cortex-M0+ core with a maximum frequency of 32 MHz
- Rich set of analog peripherals including a 12-bit ADC and ultra-low-power comparators
- Extensive range of communication interfaces (I2C, SPI, I2S, USART, low-power UART)
- Internal voltage adaptation and reset and supply management features (BOR, POR/PDR, PVD)
- Pre-programmed bootloader and serial wire debug support
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, and timers
- CRC calculation unit and 96-bit unique ID
Applications
- Low-power IoT devices and sensors
- Smart home and building automation systems
- Industrial control and automation
- Medical devices requiring low power consumption
- Wearable electronics and fitness trackers
- Automotive systems and telematics
Q & A
- What is the core architecture of the STM32L051K8T6?
The STM32L051K8T6 features the Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum frequency of the STM32L051K8T6?
The maximum frequency is up to 32 MHz.
- What is the power supply range for the STM32L051K8T6?
The power supply range is from 1.65 V to 3.6 V.
- What are the key analog peripherals of the STM32L051K8T6?
The key analog peripherals include a 12-bit ADC and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L051K8T6?
The available interfaces include up to two I2C, two SPIs, one I2S, two USARTs, and a low-power UART.
- What are the power-saving modes available on the STM32L051K8T6?
The device supports Standby, Stop, and Sleep modes for low-power operation.
- What is the temperature range for the STM32L051K8T6?
The operating temperature range is from -40 to +125 °C.
- What package options are available for the STM32L051K8T6?
The device is available in LQFP 32 7x7x1.4 mm packages.
- Does the STM32L051K8T6 support serial wire debug?
- What is the purpose of the internal voltage adaptation and reset and supply management features?
