STM32F051K8U6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F051K8U6 is part of the STM32 family of microcontrollers, developed by STMicroelectronics. This particular model is an ARM Cortex-M0-based microcontroller.

Model Overview:

Brand: STMicroelectronics Microcontroller Family: STM32 Core: ARM Cortex-M0 Package: LQFP-48 (48 pins)

Detailed Pinout Description (for LQFP-48 package)

The STM32F051K8U6 has 48 pins in total. Here is a detailed breakdown of the pin functions:

Pin Number Pin Name Function Description 1 PA0 GPIO, Analog input, External interrupt. 2 PA1 GPIO, Analog input, External interrupt. 3 PA2 GPIO, Analog input, External interrupt. 4 PA3 GPIO, Analog input, External interrupt. 5 PA4 GPIO, Digital I/O, External interrupt, Timer input. 6 PA5 GPIO, Timer input, SPI interface (SCK). 7 PA6 GPIO, Analog input, UART RX, Timer input. 8 PA7 GPIO, Analog input, UART TX, Timer input. 9 PB0 GPIO, External interrupt. 10 PB1 GPIO, External interrupt. 11 PB2 GPIO, SPI interface (MISO), External interrupt. 12 PB3 GPIO, SPI interface (MOSI), External interrupt. 13 PB4 GPIO, External interrupt, Timer input. 14 PB5 GPIO, Timer input, SPI interface (SCK). 15 PB6 GPIO, I2C interface (SCL), External interrupt. 16 PB7 GPIO, I2C interface (SDA), External interrupt. 17 PC13 GPIO, External interrupt, Internal reset. 18 PC14 GPIO, External interrupt. 19 PC15 GPIO, External interrupt. 20 PD0 GPIO, External interrupt, UART RX, SPI interface (MISO). 21 PD1 GPIO, External interrupt, UART TX, SPI interface (MOSI). 22 PD2 GPIO, External interrupt. 23 PD3 GPIO, External interrupt. 24 PD4 GPIO, External interrupt, I2C interface (SCL). 25 PD5 GPIO, External interrupt, I2C interface (SDA). 26 PD6 GPIO, External interrupt, Timer input. 27 PD7 GPIO, External interrupt, Timer input. 28 PE0 GPIO, External interrupt, Timer input. 29 PE1 GPIO, External interrupt, Timer input. 30 PE2 GPIO, External interrupt, Timer input. 31 PE3 GPIO, External interrupt, Timer input. 32 PE4 GPIO, External interrupt, Timer input. 33 PE5 GPIO, External interrupt, Timer input. 34 PE6 GPIO, External interrupt, Timer input. 35 PE7 GPIO, External interrupt, Timer input. 36 VSS Ground. 37 VDD Power supply (3.3V typically). 38 NRST Reset input, active low. 39 SWDIO Serial Wire Debug input/output. 40 SWCLK Serial Wire Debug Clock . 41 BOOT0 Boot mode selection input (used for bootloader). 42 VREF+ Analog reference voltage input. 43 VREF- Analog reference voltage ground. 44 PVD Programmable voltage detector input. 45 ADC1_IN1 Analog input, ADC channel 1. 46 ADC1_IN2 Analog input, ADC channel 2. 47 ADC1_IN3 Analog input, ADC channel 3. 48 ADC1_IN4 Analog input, ADC channel 4.

Frequently Asked Questions (FAQ)

Q1: What is the operating voltage of the STM32F051K8U6? A1: The STM32F051K8U6 operates typically at 3.3V (VDD).

Q2: How many GPIO pins does the STM32F051K8U6 have? A2: The STM32F051K8U6 has a total of 38 GPIO pins.

Q3: Can the STM32F051K8U6 be programmed in-circuit? A3: Yes, it can be programmed in-circuit using SWD (Serial Wire Debug) interface.

Q4: What is the maximum clock speed of STM32F051K8U6? A4: The STM32F051K8U6 can run at a maximum clock speed of 48 MHz.

Q5: Does the STM32F051K8U6 support SPI communication? A5: Yes, the STM32F051K8U6 supports SPI communication via pins PB3 (MOSI), PB4 (MISO), and PB5 (SCK).

Q6: Can I use the STM32F051K8U6 for low power applications? A6: Yes, the STM32F051K8U6 has several low-power modes, including sleep and stop modes.

Q7: How many ADC channels are available on the STM32F051K8U6? A7: The STM32F051K8U6 has 10 ADC channels, labeled ADC1IN0 to ADC1IN9.

Q8: What is the maximum current the STM32F051K8U6 pins can sink/source? A8: Each I/O pin can source or sink up to 20 mA.

Q9: What is the package size of the STM32F051K8U6? A9: The STM32F051K8U6 comes in a 48-pin LQFP package.

Q10: Does the STM32F051K8U6 have UART functionality? A10: Yes, the STM32F051K8U6 supports UART communication via pins PA2 (TX) and PA3 (RX).

Q11: Is there a bootloader built into the STM32F051K8U6? A11: Yes, the STM32F051K8U6 has a built-in bootloader which can be used to load firmware via UART or other interfaces.

Q12: What are the interrupt capabilities of STM32F051K8U6? A12: The STM32F051K8U6 supports external interrupts on several pins (e.g., PA0-PA7, PB0-PB7, etc.).

Q13: How is the STM32F051K8U6 reset? A13: The STM32F051K8U6 can be reset via the NRST pin or by software.

Q14: Can the STM32F051K8U6 interface with external sensors? A14: Yes, the STM32F051K8U6 has several analog inputs (e.g., ADC channels) that can interface with external sensors.

Q15: What type of memory does the STM32F051K8U6 have? A15: The STM32F051K8U6 has 64KB Flash memory and 8KB SRAM.

Q16: Can I use the STM32F051K8U6 for I2C communication? A16: Yes, the STM32F051K8U6 supports I2C communication via pins PB6 (SCL) and PB7 (SDA).

Q17: What is the function of the BOOT0 pin? A17: The BOOT0 pin is used to select the boot mode at startup, allowing either normal execution or entering bootloader mode.

Q18: How do I access debugging features on STM32F051K8U6? A18: Debugging can be done using the SWDIO (Serial Wire Debug I/O) and SWCLK (Serial Wire Debug Clock) pins.

Q19: Does STM32F051K8U6 support PWM outputs? A19: Yes, the STM32F051K8U6 supports PWM via several timer channels.

Q20: What is the temperature range of the STM32F051K8U6? A20: The STM32F051K8U6 operates in a temperature range of -40°C to +85°C.

This detailed guide on the STM32F051K8U6 pinout and FAQ should provide a thorough understanding of its capabilities and usage.