The STM32F303CCT6 belongs to the STM32 series of microcontrollers manufactured by STMicroelectronics. It is based on the ARM Cortex-M4 core, designed for low-power, high-performance embedded applications.
1. Packaging and Pin Function Specifications
Package Type The STM32F303CCT6 microcontroller comes in a LQFP-64 (Low-profile Quad Flat Package) package. The package has 64 pins.Below is a detailed list of the pin functions for all 64 pins of the STM32F303CCT6:
Pin Number Pin Name Pin Function Description 1 VSS Ground (GND) 2 VDD Supply voltage (3.3V or 5V depending on system configuration) 3 NRST Reset pin, used to reset the microcontroller 4 PA13 (SWDIO) Serial Wire Debug Data Input/Output (SWD) or I/O function 5 PA14 (SWCLK) Serial Wire Debug Clock (SWD) or I/O function 6 PA15 General Purpose I/O or Alternate Function (e.g., CAN RX, SPI1 MISO) 7 PB3 General Purpose I/O or Alternate Function (e.g., USART2 TX, SPI1 SCK) 8 PB4 General Purpose I/O or Alternate Function (e.g., I2C1 SCL, USART2 RX) 9 PB5 General Purpose I/O or Alternate Function (e.g., SPI1 MOSI, Timer function) 10 PB6 General Purpose I/O or Alternate Function (e.g., I2C1 SDA, USART1 TX) 11 PB7 General Purpose I/O or Alternate Function (e.g., I2C1 SDA, USART1 RX) 12 PC13 General Purpose I/O or External Interrupt Input 13 PC14 General Purpose I/O or External Interrupt Input 14 PC15 General Purpose I/O or External Interrupt Input 15 PD0 General Purpose I/O or Alternate Function (e.g., CAN RX, USART3 TX) 16 PD1 General Purpose I/O or Alternate Function (e.g., CAN TX, USART3 RX) 17 PD2 General Purpose I/O or Alternate Function (e.g., USART3 TX) 18 PD3 General Purpose I/O or Alternate Function (e.g., USART3 RX) 19 PD4 General Purpose I/O or Alternate Function (e.g., SPI2 SCK) 20 PD5 General Purpose I/O or Alternate Function (e.g., SPI2 MISO) 21 PD6 General Purpose I/O or Alternate Function (e.g., SPI2 MOSI) 22 PD7 General Purpose I/O or Alternate Function (e.g., SPI2 NSS) 23 PD8 General Purpose I/O or Alternate Function (e.g., Timer Output) 24 PD9 General Purpose I/O or Alternate Function (e.g., Timer Output) 25 PD10 General Purpose I/O or Alternate Function (e.g., Timer Output) 26 PD11 General Purpose I/O or Alternate Function (e.g., Timer Input) 27 PD12 General Purpose I/O or Alternate Function (e.g., Timer Input) 28 PD13 General Purpose I/O or Alternate Function (e.g., Timer Input) 29 PD14 General Purpose I/O or Alternate Function (e.g., Timer Input) 30 PD15 General Purpose I/O or Alternate Function (e.g., Timer Input) 31 PE0 General Purpose I/O or Alternate Function (e.g., USART4 TX) 32 PE1 General Purpose I/O or Alternate Function (e.g., USART4 RX) 33 PE2 General Purpose I/O or Alternate Function (e.g., SPI3 SCK) 34 PE3 General Purpose I/O or Alternate Function (e.g., SPI3 MISO) 35 PE4 General Purpose I/O or Alternate Function (e.g., SPI3 MOSI) 36 PE5 General Purpose I/O or Alternate Function (e.g., SPI3 NSS) 37 PE6 General Purpose I/O or Alternate Function (e.g., Timer Input) 38 PE7 General Purpose I/O or Alternate Function (e.g., Timer Output) 39 PE8 General Purpose I/O or Alternate Function (e.g., Timer Input) 40 PE9 General Purpose I/O or Alternate Function (e.g., Timer Output) 41 PE10 General Purpose I/O or Alternate Function (e.g., Timer Input) 42 PE11 General Purpose I/O or Alternate Function (e.g., Timer Output) 43 PE12 General Purpose I/O or Alternate Function (e.g., Timer Output) 44 PE13 General Purpose I/O or Alternate Function (e.g., Timer Output) 45 PE14 General Purpose I/O or Alternate Function (e.g., Timer Output) 46 PE15 General Purpose I/O or Alternate Function (e.g., Timer Output) 47 PF0 General Purpose I/O or Alternate Function (e.g., ADC input) 48 PF1 General Purpose I/O or Alternate Function (e.g., ADC input) 49 PF2 General Purpose I/O or Alternate Function (e.g., ADC input) 50 PF3 General Purpose I/O or Alternate Function (e.g., ADC input) 51 PF4 General Purpose I/O or Alternate Function (e.g., ADC input) 52 PF5 General Purpose I/O or Alternate Function (e.g., ADC input) 53 PF6 General Purpose I/O or Alternate Function (e.g., ADC input) 54 PF7 General Purpose I/O or Alternate Function (e.g., ADC input) 55 PF8 General Purpose I/O or Alternate Function (e.g., ADC input) 56 PF9 General Purpose I/O or Alternate Function (e.g., ADC input) 57 PF10 General Purpose I/O or Alternate Function (e.g., ADC input) 58 PF11 General Purpose I/O or Alternate Function (e.g., ADC input) 59 PF12 General Purpose I/O or Alternate Function (e.g., ADC input) 60 PF13 General Purpose I/O or Alternate Function (e.g., ADC input) 61 PF14 General Purpose I/O or Alternate Function (e.g., ADC input) 62 PF15 General Purpose I/O or Alternate Function (e.g., ADC input) 63 PG0 General Purpose I/O or Alternate Function (e.g., ADC input) 64 PG1 General Purpose I/O or Alternate Function (e.g., ADC input)2. Frequently Asked Questions (FAQ)
Q: What is the supply voltage range for the STM32F303CCT6? A: The STM32F303CCT6 operates with a supply voltage range from 2.4V to 3.6V.
Q: What is the function of the NRST pin? A: The NRST pin is used to reset the microcontroller.
Q: Which pin is used for the Serial Wire Debug (SWD) interface ? A: The SWD interface is available on PA13 (SWDIO) and PA14 (SWCLK).
Q: Can I use the PA15 pin as a regular GPIO pin? A: Yes, PA15 can function as a general-purpose input/output (GPIO) pin.
Q: How do I reset the STM32F303CCT6? A: You can reset the STM32F303CCT6 by toggling the NRST pin.
Q: What are the default functions for PB5, PB6, and PB7 pins? A: PB5 is SPI1 MOSI, PB6 is I2C1 SDA, and PB7 is I2C1 SCL.
Q: How many ADC channels are available on the STM32F303CCT6? A: The STM32F303CCT6 provides up to 16 ADC channels.
Q: Can the STM32F303CCT6 support UART communication? A: Yes, the STM32F303CCT6 supports UART communication through multiple USART/UART interfaces.
Q: Which pins can be used for SPI communication? A: The STM32F303CCT6 supports SPI on pins like PA5 (SCK), PA6 (MISO), PA7 (MOSI), PB3 (SCK), and others.
Q: What is the maximum clock frequency for the STM32F303CCT6? A: The STM32F303CCT6 operates at a maximum clock frequency of 72 MHz.
Q: Can I use the PE6 pin for timer input? A: Yes, PE6 can be used for timer input.
Q: What is the maximum operating temperature for the STM32F303CCT6? A: The STM32F303CCT6 has a maximum operating temperature of 85°C.
Q: How many GPIO pins are available on the STM32F303CCT6? A: There are 64 pins, with many serving as general-purpose I/O pins.
Q: Is it possible to use I2C on the STM32F303CCT6? A: Yes, I2C is available on pins like PB6 (SCL) and PB7 (SDA).
Q: Can I use the PD0 and PD1 pins for CAN communication? A: Yes, PD0 and PD1 are used for CAN RX and CAN TX, respectively.
Q: Does the STM32F303CCT6 support external interrupts? A: Yes, the STM32F303CCT6 supports external interrupts on multiple pins, including PA0 to PA15, PB0 to PB7, and others.
Q: How do I configure a pin for output? A: Pins can be configured as output by writing to the GPIO port configuration register.
Q: What is the typical power consumption of the STM32F303CCT6? A: The typical power consumption of the STM32F303CCT6 is low, with a consumption of around 30mA at 72MHz.
Q: How can I use the ADC input pins? A: The ADC pins (e.g., PA0, PA1, etc.) can be configured by setting the appropriate ADC configuration registers.
Q: Can the STM32F303CCT6 be programmed using the ST-Link? A: Yes, the STM32F303CCT6 can be programmed using the ST-Link debugger/programmer.
This list should provide a comprehensive understanding of the STM32F303CCT6 pin functions and answers to common questions about this MCU model.
