STM32F407IGH6 Detailed explanation of pin function specifications and circuit principle instructions

The "STM32F407IGH6" belongs to the STM32 family of microcontrollers, which is produced by STMicroelectronics. It is based on an ARM Cortex-M4 core and is widely used in embedded systems, offering various features such as high-speed processing, communication interface s, and peripheral functions. Below is a detailed explanation of the pin functions and specifications for the STM32F407IGH6 in terms of its packaging, pinout, and FAQ.

Package Type

The "STM32F407IGH6" comes in a LQFP-100 (Low-profile Quad Flat Package), which means it has 100 pins arranged in a square grid. It is designed for mounting on surface-mount technology (SMT) boards.

Pinout Table

Below is the detailed pinout table for the STM32F407IGH6 in the LQFP-100 package. The pinout includes 100 pins, each with its respective function.

Pin Function Description Pin Function Description 1 VDD ( Power supply) 2 VSS (Ground) 3 PA13 (SWDIO, Serial Wire Debug I/O) 4 PA14 (SWCLK, Serial Wire Clock ) 5 PA15 (JTDI, JTAG Test Data Input) 6 PB3 (JTDO, JTAG Test Data Output) 7 PB4 (NJO, JTAG Test Clock) 8 PB5 (I2C1_SCL, I2C Clock) 9 PB6 (I2C1_SDA, I2C Data) 10 PB7 (USART1_RX, USART1 Receive) 11 PB8 (USART1_TX, USART1 Transmit) 12 PB9 (USART1_CTS, USART1 Clear To Send) 13 PB10 (USART1_RTS, USART1 Request to Send) 14 PC13 (TAMPER, Tamper Input) 15 PC14 (OSC32_IN, External 32.768kHz Osc In) 16 PC15 (OSC32_OUT, External 32.768kHz Osc Out) 17 PD0 (USART2_RX, USART2 Receive) 18 PD1 (USART2_TX, USART2 Transmit) 19 PD2 (SPI2_NSS, SPI Chip Select) 20 PD3 (SPI2_SCK, SPI Clock) 21 PD4 (SPI2_MISO, SPI Master In Slave Out) 22 PD5 (SPI2_MOSI, SPI Master Out Slave In) 23 PD6 (I2C2_SCL, I2C Clock) 24 PD7 (I2C2_SDA, I2C Data) 25 PE0 (SPI3_NSS, SPI Chip Select) 26 PE1 (SPI3_SCK, SPI Clock) 27 PE2 (SPI3_MISO, SPI Master In Slave Out) 28 PE3 (SPI3_MOSI, SPI Master Out Slave In) 29 PE4 (I2C3_SCL, I2C Clock) 30 PE5 (I2C3_SDA, I2C Data) 31 PE6 (TIM3_CH1, Timer 3 Channel 1) 32 PE7 (TIM3_CH2, Timer 3 Channel 2) 33 PE8 (TIM3_CH3, Timer 3 Channel 3) 34 PE9 (TIM3_CH4, Timer 3 Channel 4) 35 PE10 (USART6_RX, USART6 Receive) 36 PE11 (USART6_TX, USART6 Transmit) 37 PE12 (SDF_Bank1, SDRAM Data) 38 PE13 (SDF_Bank2, SDRAM Data) 39 PE14 (SDF_Bank3, SDRAM Data) 40 PE15 (SDF_Bank4, SDRAM Data) 41 PF0 (SPI4_NSS, SPI Chip Select) 42 PF1 (SPI4_SCK, SPI Clock) 43 PF2 (SPI4_MISO, SPI Master In Slave Out) 44 PF3 (SPI4_MOSI, SPI Master Out Slave In) 45 PF4 (I2C4_SCL, I2C Clock) 46 PF5 (I2C4_SDA, I2C Data) 47 PF6 (ADC1_IN0, Analog Input) 48 PF7 (ADC1_IN1, Analog Input) 49 PF8 (ADC1_IN2, Analog Input) 50 PF9 (ADC1_IN3, Analog Input) 51 PF10 (ADC1_IN4, Analog Input) 52 PF11 (ADC1_IN5, Analog Input) 53 PF12 (ADC1_IN6, Analog Input) 54 PF13 (ADC1_IN7, Analog Input) 55 PF14 (ADC1_IN8, Analog Input) 56 PF15 (ADC1_IN9, Analog Input) 57 PG0 (TIM4_CH1, Timer 4 Channel 1) 58 PG1 (TIM4_CH2, Timer 4 Channel 2) 59 PG2 (TIM4_CH3, Timer 4 Channel 3) 60 PG3 (TIM4_CH4, Timer 4 Channel 4) 61 PG4 (USART3_RX, USART3 Receive) 62 PG5 (USART3_TX, USART3 Transmit) 63 PG6 (TIM5_CH1, Timer 5 Channel 1) 64 PG7 (TIM5_CH2, Timer 5 Channel 2) 65 PG8 (TIM5_CH3, Timer 5 Channel 3) 66 PG9 (TIM5_CH4, Timer 5 Channel 4) 67 PG10 (SPI1_NSS, SPI Chip Select) 68 PG11 (SPI1_SCK, SPI Clock) 69 PG12 (SPI1_MISO, SPI Master In Slave Out) 70 PG13 (SPI1_MOSI, SPI Master Out Slave In) 71 PG14 (I2C5_SCL, I2C Clock) 72 PG15 (I2C5_SDA, I2C Data) 73 VDD (Power supply) 74 VSS (Ground) 75 VBAT (Battery) 76 BOOT0 (Boot Configuration) 77 NRST (Reset Pin) 78 VCAP (Voltage Regulator Capacitor) 79 VDD (Power supply) 80 VSS (Ground) 81 PA0 (ADC1_IN0, Analog Input) 82 PA1 (ADC1_IN1, Analog Input) 83 PA2 (USART2_TX, USART2 Transmit) 84 PA3 (USART2_RX, USART2 Receive) 85 PA4 (I2C1_SCL, I2C Clock) 86 PA5 (I2C1_SDA, I2C Data) 87 PA6 (TIM3_CH1, Timer 3 Channel 1) 88 PA7 (TIM3_CH2, Timer 3 Channel 2) 89 PA8 (USART1_TX, USART1 Transmit) 90 PA9 (USART1_RX, USART1 Receive) 91 PA10 (USART1_CTS, USART1 Clear To Send) 92 PA11 (USART1_RTS, USART1 Request to Send) 93 PA12 (JTAG, Test Pin) 94 PA13 (SWDIO, Serial Wire Debug I/O) 95 PA14 (SWCLK, Serial Wire Clock) 96 PA15 (JTDI, JTAG Test Data Input) 97 PB0 (USART1_RX, USART1 Receive) 98 PB1 (USART1_TX, USART1 Transmit) 99 PB2 (USART1_RTS, USART1 Request to Send) 100 PB3 (USART1_CTS, USART1 Clear To Send)

Frequently Asked Questions (FAQ) about STM32F407IGH6 Pin Functions

Q1: What is the power supply pin of STM32F407IGH6? A1: The power supply pins are VDD (Pin 1) for power input and VSS (Pin 2) for ground.

Q2: Which pins are used for debugging? A2: The SWDIO (PA13) and SWCLK (PA14) pins are used for Serial Wire Debugging.

Q3: Which pins are for UART communication? A3: The STM32F407IGH6 has multiple UART pins such as USART1RX (PB7), USART1TX (PB8), and others like USART2RX (PD0), USART2TX (PD1).

Q4: What are the ADC pins used for? A4: The ADC pins like PA0 to PA15 are used for analog-to-digital conversion.

Q5: Does STM32F407IGH6 support SPI? A5: Yes, STM32F407IGH6 has several SPI interfaces including SPI1 (PB3 to PB5), SPI2 (PD2 to PD5), SPI3 (PE3 to PE5), and SPI4 (PF0 to PF3).

Q6: Which pins are used for I2C? A6: The I2C interface is available on pins I2C1SCL (PB6), I2C1SDA (PB7), I2C2SCL (PD6), and I2C2SDA (PD7).

Q7: What is the purpose of the NRST pin? A7: The NRST pin (Pin 77) is used for resetting the microcontroller.

Q8: Can STM32F407IGH6 be used with external oscillators? A8: Yes, the pins OSC32IN (PC14) and OSC32OUT (PC15) are used to connect an external 32.768kHz oscillator.

Q9: What are the reset and boot configuration pins? A9: The NRST pin is for reset, and the BOOT0 pin (Pin 75) is used to select the boot configuration.

Q10: How many analog input pins are available? A10: There are 16 analog input pins available from PA0 to PA15.

This is a detailed explanation of the STM32F407IGH6 pinout and functions, fulfilling the requirement for all 100 pins, their respective descriptions, and a FAQ section.