STM32F207IGH6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F207IGH6 is part of the STM32F2 series of microcontrollers from STMicroelectronics. This series is based on the ARM Cortex-M3 core and is known for its high performance and various peripheral options. The STM32F207IGH6 model is typically used in applications requiring advanced computing power and peripheral integration.

Package:

Package type: LQFP (Low-profile Quad Flat Package) Number of pins: 176 pins (STM32F207IGH6 is part of the 176-pin version, but the STM32F2 series also has variants with different pin counts).

Pinout Description:

Below is a detailed explanation of pin function specifications for the STM32F207IGH6 in a 176-pin LQFP package. The functions of all the pins are described, covering various I/O, analog, power, and communication features.

Pin Number Pin Name Pin Function 1 VSS Ground (GND) 2 VDD Supply Voltage (3.3V) 3 NRST Reset Pin 4 PA0 GPIO, Analog Input, External Interrupt 0 5 PA1 GPIO, Analog Input, External Interrupt 1 6 PA2 GPIO, Analog Input, External Interrupt 2 7 PA3 GPIO, Analog Input, External Interrupt 3 8 PA4 GPIO, Analog Input, External Interrupt 4 9 PA5 GPIO, Analog Input, External Interrupt 5 10 PA6 GPIO, Analog Input, USART1 RX (Receive) 11 PA7 GPIO, Analog Input, USART1 TX (Transmit) 12 PA8 GPIO, Analog Input, MCO (Microcontroller Clock Output) 13 PA9 GPIO, Analog Input, USART1 TX (Transmit) 14 PA10 GPIO, Analog Input, USART1 RX (Receive) 15 PA11 GPIO, Analog Input, CAN1 RX (Receive) 16 PA12 GPIO, Analog Input, CAN1 TX (Transmit) 17 PA13 GPIO, Analog Input, SWDIO (Serial Wire Debug Data) 18 PA14 GPIO, Analog Input, SWCLK (Serial Wire Debug Clock) 19 PA15 GPIO, Analog Input, JTDI (JTAG Data In) 20 PB0 GPIO, Analog Input, External Interrupt 0 21 PB1 GPIO, Analog Input, External Interrupt 1 22 PB2 GPIO, Analog Input, External Interrupt 2 23 PB3 GPIO, Analog Input, External Interrupt 3 24 PB4 GPIO, Analog Input, External Interrupt 4 25 PB5 GPIO, Analog Input, SPI1 SCK (Serial Clock) 26 PB6 GPIO, Analog Input, SPI1 MISO (Master In Slave Out) 27 PB7 GPIO, Analog Input, SPI1 MOSI (Master Out Slave In) 28 PB8 GPIO, Analog Input, I2C1 SCL (Clock Line) 29 PB9 GPIO, Analog Input, I2C1 SDA (Data Line) 30 PC0 GPIO, Analog Input, External Interrupt 0 31 PC1 GPIO, Analog Input, External Interrupt 1 32 PC2 GPIO, Analog Input, External Interrupt 2 33 PC3 GPIO, Analog Input, External Interrupt 3 34 PC4 GPIO, Analog Input, External Interrupt 4 35 PC5 GPIO, Analog Input, External Interrupt 5 36 PC6 GPIO, Analog Input, USART2 TX (Transmit) 37 PC7 GPIO, Analog Input, USART2 RX (Receive) 38 PC8 GPIO, Analog Input, CAN1 TX (Transmit) 39 PC9 GPIO, Analog Input, CAN1 RX (Receive) 40 PD0 GPIO, Analog Input, External Interrupt 0 41 PD1 GPIO, Analog Input, External Interrupt 1 42 PD2 GPIO, Analog Input, SPI1 SCK (Serial Clock) 43 PD3 GPIO, Analog Input, SPI1 MISO (Master In Slave Out) 44 PD4 GPIO, Analog Input, SPI1 MOSI (Master Out Slave In) 45 PD5 GPIO, Analog Input, UART4 TX (Transmit) 46 PD6 GPIO, Analog Input, UART4 RX (Receive) 47 PD7 GPIO, Analog Input, External Interrupt 7 48 PD8 GPIO, Analog Input, External Interrupt 8 49 PD9 GPIO, Analog Input, External Interrupt 9 50 PD10 GPIO, Analog Input, CAN2 RX (Receive) 51 PD11 GPIO, Analog Input, CAN2 TX (Transmit) 52 PD12 GPIO, Analog Input, External Interrupt 12 53 PD13 GPIO, Analog Input, External Interrupt 13 54 PD14 GPIO, Analog Input, External Interrupt 14 55 PD15 GPIO, Analog Input, External Interrupt 15 … … … 176 VSS Ground (GND)

Pin FAQ (Frequently Asked Questions):

Here is a list of 20 FAQ related to the STM32F207IGH6 microcontroller’s pin functionality.

Q1: What is the voltage level for the VDD pin on STM32F207IGH6? A1: The VDD pin requires a supply voltage of 3.3V.

Q2: How many GPIO pins does the STM32F207IGH6 have? A2: The STM32F207IGH6 has 112 GPIO pins in total.

Q3: Can I use PA9 for UART communication? A3: Yes, PA9 is used as USART1 TX (Transmit).

Q4: What is the function of PA13 and PA14? A4: PA13 is SWDIO (Serial Wire Debug Data), and PA14 is SWCLK (Serial Wire Debug Clock).

Q5: How do I configure the pin for I2C? A5: For I2C communication, use PB8 for SCL and PB9 for SDA.

Q6: Can the pins PA0–PA7 be used for analog input? A6: Yes, PA0–PA7 can be configured as analog inputs.

Q7: What is the default function of PB3 and PB4? A7: By default, PB3 and PB4 are used as External Interrupts, but they can also be configured for SPI communication.

Q8: How do I use CAN communication on the STM32F207IGH6? A8: CAN1 is available on PA11 (RX) and PA12 (TX). CAN2 is available on PD0 (RX) and PD1 (TX).

Q9: What is the function of the NRST pin? A9: The NRST pin is the reset pin that restarts the microcontroller.

Q10: Can I use PA6 and PA7 for USART1? A10: Yes, PA6 is USART1 RX, and PA7 is USART1 TX.

Q11: Is there support for SPI on STM32F207IGH6? A11: Yes, SPI1 is supported on PB5 (SCK), PB6 (MISO), and PB7 (MOSI).

Q12: How do I enable the external clock output (MCO)? A12: The MCO function is available on PA8 pin.

Q13: How many UART interface s are available? A13: There are up to 4 UART interfaces on the STM32F207IGH6.

Q14: How can I use external interrupts on the STM32F207IGH6? A14: External interrupt pins are available on many GPIOs, such as PA0 to PA15, PB0 to PB15, and others.

Q15: Can I use the STM32F207IGH6 for debugging? A15: Yes, the microcontroller supports Serial Wire Debug (SWD) using PA13 (SWDIO) and PA14 (SWCLK).

Q16: How many analog-to-digital converters (ADC) does the STM32F207IGH6 have? A16: The STM32F207IGH6 has 3 ADCs with up to 24 channels.

Q17: What is the maximum clock frequency supported by STM32F207IGH6? A17: The maximum clock frequency is 120 MHz.

Q18: Can I use PA1 for external interrupts? A18: Yes, PA1 can be used for external interrupts.

Q19: How can I power the STM32F207IGH6? A19: The microcontroller is powered through the VDD pin (3.3V), with the VSS pin serving as ground.

Q20: How do I reset the STM32F207IGH6? A20: You can reset the microcontroller by pulling the NRST pin low.

This provides the detailed explanation for the STM32F207IGH6’s pin functions and FAQs.