STM32F051K6U6 Detailed explanation of pin function specifications and circuit principle instructions

The part number "STM32F051K6U6" refers to an MCU (microcontroller unit) from STMicroelectronics, a well-known semiconductor manufacturer. It belongs to the STM32 family, which is based on the ARM Cortex-M0 core.

This specific model STM32F051K6U6 is part of the STM32F0 series and features 48 pins in a LQFP48 (Low-profile Quad Flat Package) form factor.

Pin Function Table and Circuit Principles

Below is a detailed pin function specification and circuit principle for the STM32F051K6U6 microcontroller. The pinout for the 48-pin LQFP package includes several general-purpose input/output pins (GPIOs), communication interface s, analog pins, Power , and reset pins.

Pin Number Pin Name Pin Type Function Description 1 VDD Power Power supply for the device, 3.3V typical. 2 VSS Power Ground. 3 PA13 GPIO SWDIO (Serial Wire Debug Input/Output) 4 PA14 GPIO SWCLK (Serial Wire Clock ) 5 PA15 GPIO JTDI (JTAG Data Input) 6 PB3 GPIO SPI1 SCK (Serial Peripheral Interface Clock) 7 PB4 GPIO SPI1 MISO (Serial Peripheral Interface Master In Slave Out) 8 PB5 GPIO SPI1 MOSI (Serial Peripheral Interface Master Out Slave In) 9 PB6 GPIO I2C1 SCL (Inter-Integrated Circuit Clock) 10 PB7 GPIO I2C1 SDA (Inter-Integrated Circuit Data) 11 PC13 GPIO Button or external interrupt input (depending on application). 12 PC14 GPIO LSI (Low-speed internal oscillator) 13 PC15 GPIO LSE (Low-speed external oscillator) 14 PA0 GPIO/ADC Analog input pin (ADC) 15 PA1 GPIO/ADC Analog input pin (ADC) 16 PA2 GPIO/USART USART2 TX (Universal Synchronous Asynchronous Receiver Transmitter Transmit) 17 PA3 GPIO/USART USART2 RX (Universal Synchronous Asynchronous Receiver Transmitter Receive) 18 PA4 GPIO General Purpose I/O (GPIO) 19 PA5 GPIO General Purpose I/O (GPIO) 20 PA6 GPIO USART1 TX 21 PA7 GPIO USART1 RX 22 PB0 GPIO Timer2 Channel 1 23 PB1 GPIO Timer2 Channel 2 24 PB2 GPIO Timer2 Channel 3 25 VCAP Power Voltage reference for internal regulator. 26 NRST Reset Active-low reset pin. 27 PB8 GPIO SPI1 SCK (Serial Peripheral Interface Clock) 28 PB9 GPIO SPI1 MISO (Serial Peripheral Interface Master In Slave Out) 29 PB10 GPIO SPI1 MOSI (Serial Peripheral Interface Master Out Slave In) 30 PB11 GPIO USART3 TX 31 PB12 GPIO USART3 RX 32 PB13 GPIO Timer1 Channel 1 33 PB14 GPIO Timer1 Channel 2 34 PB15 GPIO Timer1 Channel 3 35 PC0 GPIO/ADC Analog input pin (ADC) 36 PC1 GPIO/ADC Analog input pin (ADC) 37 PC2 GPIO General Purpose I/O (GPIO) 38 PC3 GPIO General Purpose I/O (GPIO) 39 PC4 GPIO General Purpose I/O (GPIO) 40 PC5 GPIO General Purpose I/O (GPIO) 41 PD0 GPIO General Purpose I/O (GPIO) 42 PD1 GPIO General Purpose I/O (GPIO) 43 PD2 GPIO General Purpose I/O (GPIO) 44 PD3 GPIO General Purpose I/O (GPIO) 45 PD4 GPIO General Purpose I/O (GPIO) 46 PD5 GPIO General Purpose I/O (GPIO) 47 PD6 GPIO General Purpose I/O (GPIO) 48 PD7 GPIO General Purpose I/O (GPIO)

20 Frequently Asked Questions (FAQ) for STM32F051K6U6

Q: What is the main feature of the STM32F051K6U6? A: The STM32F051K6U6 is an ARM Cortex-M0-based microcontroller with 48 pins, designed for low-power and cost-effective Embedded systems.

Q: How many pins does the STM32F051K6U6 microcontroller have? A: The STM32F051K6U6 has 48 pins in total.

Q: What is the operating voltage of STM32F051K6U6? A: The operating voltage for the STM32F051K6U6 is 2.4V to 3.6V.

Q: How many general-purpose I/O pins are available on the STM32F051K6U6? A: The STM32F051K6U6 provides up to 37 GPIO pins.

Q: Can the STM32F051K6U6 support both I2C and SPI communication? A: Yes, the STM32F051K6U6 supports both I2C and SPI communication interfaces.

Q: Does STM32F051K6U6 have USB functionality? A: No, STM32F051K6U6 does not support USB functionality.

Q: What is the maximum clock frequency of STM32F051K6U6? A: The STM32F051K6U6 can operate at a maximum clock frequency of 48 MHz.

Q: Does STM32F051K6U6 have an integrated ADC? A: Yes, the STM32F051K6U6 includes a 12-bit ADC with up to 16 channels.

Q: How many timers are available in STM32F051K6U6? A: The STM32F051K6U6 has 4 timers: one 16-bit timer and three 16-bit advanced-control timers.

Q: Can I use external oscillators with STM32F051K6U6? A: Yes, it supports both external high-speed and low-speed crystal oscillators.

Q: Is there a built-in watchdog timer in STM32F051K6U6? A: Yes, the STM32F051K6U6 has an independent watchdog timer (IWDG).

Q: What is the flash memory size of STM32F051K6U6? A: The STM32F051K6U6 has 32KB of flash memory.

Q: How much SRAM does STM32F051K6U6 have? A: It includes 4KB of SRAM.

Q: Can I use STM32F051K6U6 for motor control applications? A: Yes, the STM32F051K6U6 has timers and peripherals suitable for motor control.

Q: Does STM32F051K6U6 have any analog features? A: Yes, it has analog-to-digital conversion (ADC) and analog comparator s.

Q: Can I use STM32F051K6U6 for low-power applications? A: Yes, it is designed with low-power modes, including sleep and stop modes.

Q: What development tools are compatible with STM32F051K6U6? A: STM32F051K6U6 is compatible with the STM32CubeMX, STM32CubeIDE, and various third-party IDEs like KEIL and IAR Embedded Workbench.

Q: Is STM32F051K6U6 pin-compatible with other STM32 series MCUs? A: No, it is part of the STM32F0 series and has specific pin configurations unique to this series.

Q: Does STM32F051K6U6 support JTAG? A: Yes, it supports JTAG for debugging purposes.

Q: What package types are available for STM32F051K6U6? A: STM32F051K6U6 is available in a 48-pin LQFP package.

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