This blog mainly explains the functional features, parameters, application areas, pin diagrams and schematics of STM32L051K8U6.
STM32L051K8U6 integrates a high-performance Arm Cortex-M0+ 32-bit RISC core operating at 32 MHz, a Memory Protection Unit (MPU), high-speed embedded memory (64kbytes of Flash program memory, 2kbytes of data EEPROM and 8kbytes of RAM), and a wide range of of enhanced I/O and peripherals.
The STM32L051K8U6 delivers high power efficiency for a wide range of performance. It features a large selection of internal and external clock sources, internal voltage adaptation and several low-power modes.
The STM32L051K8U6 offers multiple analog functions, a 12-bit ADC with hardware oversampling, two ultra-low power comparators, several timers, a low-power timer (LPTIM), three general-purpose 16-bit timers and a Basic timers, an RTC and a SysTick, can be used as time bases. They also feature two watchdogs, a watchdog with independent clock and window functions and a window watchdog based on the bus clock.
In addition, STM32L051K8U6 embeds standard and advanced communication interfaces: up to two I2C, two spi, one I2S, two usart, and one low-power UART (LPUART). The STM32L051K8U6 also includes a real-time clock and a set of backup registers to maintain power in standby mode. The ultra-low power STM32L051x6/8 devices operate from a 1.8 - 3.6 V supply with BOR (down to 1.65 V when powered down) and a 1.65 - 3.6 V supply without BOR option. They are available in a temperature range of -40 to +125°C. A comprehensive set of power-saving modes allows the design of low-power applications.
Functional features of STM32L051K8U6
1. Based on ARM Cortex-M0+ core: STM32L051K8U6 uses ARM Cortex-M0+ core, which has the characteristics of high performance and low energy consumption.
2. Low-power design: STM32L051K8U6 adopts STMicroelectronics’ low-power technology, which can achieve extremely low power consumption in different working modes, thereby extending battery life.
3. Integrate rich peripherals: STM32L051K8U6 integrates a variety of peripherals, including universal timers, universal asynchronous receivers and transmitters, analog-to-digital converters, etc. The rich peripheral combination facilitates developers to implement various applications.
4. Rich communication interfaces: STM32L051K8U6 supports a variety of communication interfaces, such as SPI, I2C, USART, etc., to facilitate communication and data exchange with external devices.
5. Rich memory: STM32L051K8U6 is equipped with built-in Flash memory and SRAM, and supports external memory expansion to meet the storage needs of different applications.
6. Rich development support: STMicroelectronics provides a wealth of development tools and support for the STM32L051K8U6, including STM32CubeMX configuration tools, HAL libraries and sample codes, to help developers quickly develop applications.
Application fields of STM32L051K8U6
STM32L051K8U6 is a low-power 32-bit MCU microcontroller. Its main application areas are as follows:
1. Internet of Things (IoT) devices: STM32L051K8U6 has the characteristics of low power consumption and high performance, and is very suitable for use in IoT devices, such as smart home products, smart sensors, smart wearable devices, etc. Its low power consumption feature can extend the use time of the device, while its high performance can improve the operating efficiency of the device.
2. Medical equipment: Because STM32L051K8U6 has excellent low-power performance and high integration, it is also widely used in the field of medical equipment, such as wearable medical equipment, vital signs monitoring equipment, etc.
3. Industrial automation: STM32L051K8U6 can be used in industrial control fields, such as PLC (programmable logic controller), industrial robots and other equipment. Its stable performance and extensive peripheral support can meet the requirements for stability and reliability in the industrial field.
4. Intelligent transportation: In intelligent transportation systems, STM32L051K8U6 can be used for real-time data collection, processing and control, such as intelligent traffic light control, vehicle monitoring systems, etc.
Parameters of STM32L051K8U6
Brand: STMicroelectronics
Product Category: 32-bit MCU
Package: UFQFPN-32
Packaging: Pallet
Product application: Ultra-low power MCU
Core processor: ARMCortex-M0+
Kernel specification: 32-bit
Speed: 32MHz
Connectivity: I2C, IrDA, SPI, UART/USART
Peripherals: Undervoltage detection/reset, DMA, POR, PWM, WDT
Number of I/Os: 27
Program storage capacity: 64KB (64Kx8)
Program memory type: Flash
EEPROM capacity: 2Kx8
RAM size: 8Kx8
Voltage-power supply (Vcc/Vdd): 1.65V~3.6V
Data converter: A/D10x12b
Oscillator type: Internal
Working temperature: -40°C~85°C(TA)
Installation type: surface mount type
Basic product number: STM32
HTSUS: 8542.31.0001
Schematic diagram of STM32L051K8U6
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