The model "STM32L051K8U6" is part of the STM32 family, which is a series of microcontrollers developed by STMicroelectronics. These microcontrollers are widely used for a variety of applications in Embedded systems. Below, I’ll break down the requested details for this particular microcontroller.
1. Package Type:
The "STM32L051K8U6" microcontroller belongs to the STM32L0 series which uses the ARM Cortex-M0+ core. The specific package for this model is LQFP-48 (Low-Profile Quad Flat Package), which means it has 48 pins.
2. Pin Function Specifications and Circuit Principle Instructions:
The STM32L051K8U6 has 48 pins, and each pin serves a specific function. Below is a detailed list of all 48 pins and their functions:
Pin Number Pin Name Function/Description 1 VDD Power supply (2.0V to 3.6V). 2 VSS Ground. 3 PA13 SWDIO (Serial Wire Debug Input/Output). 4 PA14 SWCLK (Serial Wire Clock ). 5 PA15 USART1_TX (USART1 Transmit). 6 PB3 USART1_RX (USART1 Receive). 7 PB4 SPI1_NSS (SPI1 Slave Select). 8 PB5 SPI1_SCK (SPI1 Clock). 9 PB6 SPI1_MISO (SPI1 Master In Slave Out). 10 PB7 SPI1_MOSI (SPI1 Master Out Slave In). 11 PB8 I2C1_SCL (I2C1 Clock). 12 PB9 I2C1_SDA (I2C1 Data). 13 PC13 LSI (Low-Speed Internal Oscillator). 14 PC14 OSC32_IN (External 32.768 kHz Oscillator Input). 15 PC15 OSC32_OUT (External 32.768 kHz Oscillator Output). 16 PD0 USART2_TX (USART2 Transmit). 17 PD1 USART2_RX (USART2 Receive). 18 PD2 USART2_CTS (USART2 Clear To Send). 19 PD3 USART2_RTS (USART2 Request To Send). 20 PD4 SPI2_NSS (SPI2 Slave Select). 21 PD5 SPI2_SCK (SPI2 Clock). 22 PD6 SPI2_MISO (SPI2 Master In Slave Out). 23 PD7 SPI2_MOSI (SPI2 Master Out Slave In). 24 PE0 I2C2_SCL (I2C2 Clock). 25 PE1 I2C2_SDA (I2C2 Data). 26 PE2 ADC1_IN0 (ADC Input Channel 0). 27 PE3 ADC1_IN1 (ADC Input Channel 1). 28 PE4 ADC1_IN2 (ADC Input Channel 2). 29 PE5 ADC1_IN3 (ADC Input Channel 3). 30 PE6 ADC1_IN4 (ADC Input Channel 4). 31 PE7 ADC1_IN5 (ADC Input Channel 5). 32 PE8 ADC1_IN6 (ADC Input Channel 6). 33 PE9 ADC1_IN7 (ADC Input Channel 7). 34 PE10 ADC1_IN8 (ADC Input Channel 8). 35 PE11 ADC1_IN9 (ADC Input Channel 9). 36 PE12 ADC1_IN10 (ADC Input Channel 10). 37 PE13 ADC1_IN11 (ADC Input Channel 11). 38 PE14 ADC1_IN12 (ADC Input Channel 12). 39 PE15 ADC1_IN13 (ADC Input Channel 13). 40 PF0 ADC1_IN14 (ADC Input Channel 14). 41 PF1 ADC1_IN15 (ADC Input Channel 15). 42 PF2 VREF+ (Reference Voltage). 43 PF3 VREF- (Ground for Reference Voltage). 44 PF4 DAC1_OUT1 (Digital-to-Analog Output 1). 45 PF5 DAC1_OUT2 (Digital-to-Analog Output 2). 46 PF6 PVD (Programmable Voltage Detector). 47 PF7 TAMPER (Tamper input for RTC). 48 VSS Ground for analog circuitry.3. Frequently Asked Questions (FAQ)
Q: What is the operating voltage range for STM32L051K8U6? A: The STM32L051K8U6 operates in a voltage range from 2.0V to 3.6V.
Q: Can I use STM32L051K8U6 for high-speed communication protocols? A: Yes, it supports SPI, USART, and I2C, all of which can handle medium to high-speed communication.
Q: Does STM32L051K8U6 support USB connectivity? A: No, the STM32L051K8U6 does not support USB connectivity. It only has UART, SPI, and I2C interface s.
Q: How many general-purpose input/output (GPIO) pins are available on STM32L051K8U6? A: There are a total of 37 GPIO pins available on the STM32L051K8U6.
Q: What is the maximum clock speed of the STM32L051K8U6? A: The STM32L051K8U6 has a maximum clock speed of 32 MHz.
Q: Is the STM32L051K8U6 suitable for battery-powered applications? A: Yes, the STM32L051K8U6 is part of the STM32L0 series, which is optimized for low-power consumption, making it suitable for battery-powered devices.
Q: What is the flash Memory size of the STM32L051K8U6? A: The STM32L051K8U6 has 64KB of flash memory.
Q: Can STM32L051K8U6 be used in motor control applications? A: Yes, it can be used in motor control applications, though it is more suitable for smaller or lower-power systems.
Q: Does the STM32L051K8U6 have an internal voltage regulator? A: Yes, it has an internal voltage regulator for stable operation.
Q: What are the main applications of STM32L051K8U6? A: It is ideal for applications in low-power, portable devices, including sensor hubs, smart meters, and wearable devices.
Q: Does STM32L051K8U6 support DMA? A: Yes, it supports Direct Memory Access (DMA) for efficient data transfer.
Q: What is the operating temperature range of STM32L051K8U6? A: The STM32L051K8U6 operates within a temperature range of -40°C to 85°C.
Q: Can STM32L051K8U6 handle external interrupts? A: Yes, it supports external interrupts on various GPIO pins.
Q: What development tools are compatible with STM32L051K8U6? A: It is compatible with development tools like STM32CubeIDE, Keil MDK, and IAR Embedded Workbench.
Q: How much RAM is available on STM32L051K8U6? A: The STM32L051K8U6 provides 8KB of RAM.
Q: Does STM32L051K8U6 support encryption hardware? A: No, STM32L051K8U6 does not have hardware encryption capabilities.
Q: Is the STM32L051K8U6 suitable for automotive applications? A: While it has some features suited for automotive applications, it may not meet the stringent requirements for automotive-grade systems.
Q: Does STM32L051K8U6 have an RTC (Real-Time Clock)? A: Yes, it has a real-time clock (RTC) with a calendar function.
Q: What is the function of pin PA13? A: Pin PA13 is used for SWDIO (Serial Wire Debug Input/Output).
Q: What type of package does STM32L051K8U6 use? A: The STM32L051K8U6 uses an LQFP-48 (Low-Profile Quad Flat Package).
This information covers the most crucial aspects of the STM32L051K8U6 microcontroller’s pin functions and common usage questions.