STM32F373C8T6 Detailed explanation of pin function specifications and circuit principle instructions

STM32F373C8T6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F373C8T6 is a microcontroller from the STM32 F3 series manufactured by STMicroelectronics. It is based on the ARM Cortex-M4 core, with 32-bit architecture, designed for mixed-signal applications such as sensor systems, motor control, and more.

Pin Function Specifications and Circuit Principle Instructions

The STM32F373C8T6 comes in a LQFP-48 package, which includes 48 pins. Below is a detailed explanation of the pin functions and their associated circuit principles.

Pin Function List for STM32F373C8T6 (LQFP-48 Package)

Pin Number Pin Name Pin Function Description 1 VSS Ground Pin Common ground for the microcontroller. 2 VDD Power Supply Pin Provides the power supply (typically 3.3V or 5V). 3 NRST Reset Pin Active-low pin that resets the microcontroller. 4 PA13 SWDIO (Serial Wire Debug Input/Output) Used for serial wire debugging communication. 5 PA14 SWCLK (Serial Wire Clock ) Used for serial wire debugging clock. 6 PA15 Alternate Function (e.g., CAN RX) Depending on configuration, used for CAN RX. 7 PB3 PWM Output / Alternate Function (e.g., SPI1_SCK) Used for PWM output or SPI SCK in specific modes. 8 PB4 PWM Output / Alternate Function (e.g., SPI1_MISO) Used for PWM output or SPI MISO in specific modes. 9 PB5 PWM Output / Alternate Function (e.g., SPI1_MOSI) Used for PWM output or SPI MOSI in specific modes. 10 PB6 I2C1SCL / USART1TX Used for I2C clock line or USART TX. 11 PB7 I2C1SDA / USART1RX Used for I2C data line or USART RX. 12 PC13 User Button (Optional) Typically used for a user button input for reset or triggering events. 13 PC14 OSC_IN (Oscillator Input) External oscillator input pin. 14 PC15 OSC_OUT (Oscillator Output) External oscillator output pin. 15 PD0 USART2_TX USART2 transmit pin. 16 PD1 USART2_RX USART2 receive pin. 17 PD2 SPI2SCK / I2SCK SPI clock or I2S clock pin, used in serial communication. 18 PD3 SPI2_MISO SPI MISO data line for communication. 19 PD4 SPI2_MOSI SPI MOSI data line for communication. 20 PD5 SPI2_NSS SPI chip select line. 21 PD6 I2C2SCL / USART3TX I2C clock line or USART TX pin. 22 PD7 I2C2SDA / USART3RX I2C data line or USART RX pin. 23 PD8 Alternate Function (e.g., CAN TX) Used for CAN TX communication in specific modes. 24 PD9 Alternate Function (e.g., CAN RX) Used for CAN RX communication in specific modes. 25 PD10 PWM Output / Alternate Function Used for PWM output in specific modes. 26 PD11 PWM Output / Alternate Function Used for PWM output in specific modes. 27 PD12 Alternate Function Can be used for I2C, SPI, or other communication protocols. 28 PD13 Alternate Function Can be used for I2C, SPI, or other communication protocols. 29 PD14 Alternate Function Can be used for I2C, SPI, or other communication protocols. 30 PD15 Alternate Function Can be used for I2C, SPI, or other communication protocols. 31 PE0 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 32 PE1 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 33 PE2 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 34 PE3 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 35 PE4 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 36 PE5 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 37 PE6 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 38 PE7 Alternate Function (e.g., GPIO) General-purpose I/O, can be used for other functions. 39 VCAP1 capacitor Pin (for voltage stabilization) Connected to an external capacitor for internal voltage regulation. 40 VCAP2 Capacitor Pin (for voltage stabilization) Connected to an external capacitor for internal voltage regulation. 41 PH0 High-speed oscillator input (HSE_IN) Used for external high-speed oscillator input. 42 PH1 High-speed oscillator output (HSE_OUT) Used for external high-speed oscillator output. 43 PF0 General-purpose I/O or Alternate Function Can be used as I/O or for specific functions. 44 PF1 General-purpose I/O or Alternate Function Can be used as I/O or for specific functions. 45 PF2 General-purpose I/O or Alternate Function Can be used as I/O or for specific functions. 46 PF3 General-purpose I/O or Alternate Function Can be used as I/O or for specific functions. 47 PF4 General-purpose I/O or Alternate Function Can be used as I/O or for specific functions. 48 PF5 General-purpose I/O or Alternate Function Can be used as I/O or for specific functions.

FAQ (Frequently Asked Questions)

Q: What is the STM32F373C8T6? A: The STM32F373C8T6 is a microcontroller from the STM32 F3 series, based on the ARM Cortex-M4 core. Q: How many pins does the STM32F373C8T6 have? A: The STM32F373C8T6 has 48 pins in the LQFP package. Q: What is the purpose of the NRST pin? A: The NRST pin is used to reset the microcontroller; it is an active-low pin. Q: Can the STM32F373C8T6 be used for motor control? A: Yes, the STM32F373C8T6 is well-suited for motor control applications. Q: What is the voltage range for the STM32F373C8T6? A: The STM32F373C8T6 typically operates at 3.3V but can support a range from 2.4V to 3.6V. Q: What is the purpose of the SWDIO and SWCLK pins? A: The SWDIO and SWCLK pins are used for serial wire debugging. Q: Can I use the PA13 and PA14 pins for debugging? A: Yes, PA13 is SWDIO (data) and PA14 is SWCLK (clock), used for serial wire debugging. Q: Does the STM32F373C8T6 support I2C communication? A: Yes, the STM32F373C8T6 supports I2C on pins like PB6 (I2C1SCL) and PB7 (I2C1SDA). Q: How do I connect an external oscillator to the STM32F373C8T6? A: You can connect an external oscillator using pins PC13 (OSCIN) and PC14 (OSCOUT).

Q: What is the maximum clock frequency of the STM32F373C8T6?

A: The maximum clock frequency is 72 MHz.

Q: Can the STM32F373C8T6 be used for audio applications?

A: Yes, it has I2S interface s that are suitable for audio applications.

Q: Can I use the STM32F373C8T6 for CAN communication?

A: Yes, it supports CAN communication through pins such as PD8 (CAN TX) and PD9 (CAN RX).

Q: Is the STM32F373C8T6 suitable for sensor interfacing?

A: Yes, it is designed with analog-to-digital conversion features, making it suitable for sensor interfacing.

Q: What is the purpose of the VCAP1 and VCAP2 pins?

A: These pins are used for stabilizing the internal voltage regulator with external capacitors.

Q: How is the STM32F373C8T6 powered?

A: It is powered through the VDD pin, typically 3.3V.

Q: Can the STM32F373C8T6 communicate via SPI?

A: Yes, it supports SPI communication via pins like PB5 (SPI MOSI) and PB3 (SPI SCK).

Q: How do I reset the STM32F373C8T6?

A: You can reset it by pulling the NRST pin low.

Q: How many GPIOs does the STM32F373C8T6 have?

A: It has 38 general-purpose I/O pins, which can be used for various functions.

Q: Is the STM32F373C8T6 suitable for wireless communication?

A: Yes, with support for protocols like SPI, USART, and CAN, it can be integrated into wireless communication systems.

Q: How do I use the PD6 and PD7 pins?

A: PD6 and PD7 can be used for I2C2 communication or USART3.

This is a detailed look into the STM32F373C8T6 with pin functions, circuit principles, and FAQ information as requested. Let me know if you'd like more details on any specific aspect!