STM32F407IGH6 Detailed explanation of pin function specifications and circuit principle instructions（345 ）

The "STM32F407IGH6" model is part of the STM32 F4 series produced by STMicroelectronics, which is a well-known global semiconductor company. This particular model is based on the ARM Cortex-M4 architecture, designed for high-performance applications in embedded systems.

Package and Pin Function Specifications

The STM32F407IGH6 chip is available in the LQFP-100 (Low-profile Quad Flat Package), and each pin has its specific function. Since the chip has 100 pins in this package, I will provide a detailed pinout description. Below is an overview of the pins for STM32F407IGH6 in the LQFP-100 package, including their functions.

Pin Function Table (LQFP-100 Package): Pin # Pin Name Pin Function Description 1 VSS Ground pin 2 VDD Power supply pin 3 NC No connection 4 PA13 SWDIO: Serial Wire Debug Data Input/Output 5 PA14 SWCLK: Serial Wire Clock 6 PA15 JTDI: JTAG Data Input 7 PB3 JTDO: JTAG Data Output 8 PB4 NJTRST: JTAG Reset 9 PB5 GPIO: General Purpose Input/Output 10 PB6 GPIO: General Purpose Input/Output 11 PB7 GPIO: General Purpose Input/Output 12 PB8 GPIO: General Purpose Input/Output 13 PB9 GPIO: General Purpose Input/Output 14 PB10 GPIO: General Purpose Input/Output 15 PB11 GPIO: General Purpose Input/Output 16 PB12 GPIO: General Purpose Input/Output 17 PB13 SWDIO: Serial Wire Debug Data Input/Output 18 PB14 SWCLK: Serial Wire Clock 19 PB15 GPIO: General Purpose Input/Output 20 PC0 GPIO: General Purpose Input/Output 21 PC1 GPIO: General Purpose Input/Output 22 PC2 GPIO: General Purpose Input/Output 23 PC3 GPIO: General Purpose Input/Output 24 PC4 GPIO: General Purpose Input/Output 25 PC5 GPIO: General Purpose Input/Output 26 PC6 USART1_TX: USART 1 Transmit 27 PC7 USART1_RX: USART 1 Receive 28 PC8 I2C3_SCL: I2C 3 Clock 29 PC9 I2C3_SDA: I2C 3 Data 30 PC10 USART3_TX: USART 3 Transmit 31 PC11 USART3_RX: USART 3 Receive 32 PC12 GPIO: General Purpose Input/Output 33 PD2 GPIO: General Purpose Input/Output 34 PD3 GPIO: General Purpose Input/Output 35 PD4 GPIO: General Purpose Input/Output 36 PD5 GPIO: General Purpose Input/Output 37 PD6 GPIO: General Purpose Input/Output 38 PD7 GPIO: General Purpose Input/Output 39 PD8 SPI1_SCK: SPI 1 Clock 40 PD9 SPI1_MISO: SPI 1 Master In Slave Out 41 PD10 SPI1_MOSI: SPI 1 Master Out Slave In 42 PD11 SPI1_NSS: SPI 1 Slave Select 43 PD12 GPIO: General Purpose Input/Output 44 PD13 GPIO: General Purpose Input/Output 45 PD14 GPIO: General Purpose Input/Output 46 PD15 GPIO: General Purpose Input/Output 47 PE0 GPIO: General Purpose Input/Output 48 PE1 GPIO: General Purpose Input/Output 49 PE2 GPIO: General Purpose Input/Output 50 PE3 GPIO: General Purpose Input/Output 51 PE4 GPIO: General Purpose Input/Output 52 PE5 GPIO: General Purpose Input/Output 53 PE6 GPIO: General Purpose Input/Output 54 PE7 GPIO: General Purpose Input/Output 55 PE8 GPIO: General Purpose Input/Output 56 PE9 GPIO: General Purpose Input/Output 57 PE10 GPIO: General Purpose Input/Output 58 PE11 GPIO: General Purpose Input/Output 59 PE12 GPIO: General Purpose Input/Output 60 PE13 GPIO: General Purpose Input/Output 61 PE14 GPIO: General Purpose Input/Output 62 PE15 GPIO: General Purpose Input/Output 63 PF0 GPIO: General Purpose Input/Output 64 PF1 GPIO: General Purpose Input/Output 65 PF2 GPIO: General Purpose Input/Output 66 PF3 GPIO: General Purpose Input/Output 67 PF4 GPIO: General Purpose Input/Output 68 PF5 GPIO: General Purpose Input/Output 69 PF6 GPIO: General Purpose Input/Output 70 PF7 GPIO: General Purpose Input/Output 71 PF8 GPIO: General Purpose Input/Output 72 PF9 GPIO: General Purpose Input/Output 73 PF10 GPIO: General Purpose Input/Output 74 PF11 GPIO: General Purpose Input/Output 75 PF12 GPIO: General Purpose Input/Output 76 PF13 GPIO: General Purpose Input/Output 77 PF14 GPIO: General Purpose Input/Output 78 PF15 GPIO: General Purpose Input/Output 79 PG0 GPIO: General Purpose Input/Output 80 PG1 GPIO: General Purpose Input/Output 81 PG2 GPIO: General Purpose Input/Output 82 PG3 GPIO: General Purpose Input/Output 83 PG4 GPIO: General Purpose Input/Output 84 PG5 GPIO: General Purpose Input/Output 85 PG6 GPIO: General Purpose Input/Output 86 PG7 GPIO: General Purpose Input/Output 87 PG8 GPIO: General Purpose Input/Output 88 PG9 GPIO: General Purpose Input/Output 89 PG10 GPIO: General Purpose Input/Output 90 PG11 GPIO: General Purpose Input/Output 91 PG12 GPIO: General Purpose Input/Output 92 PG13 GPIO: General Purpose Input/Output 93 PG14 GPIO: General Purpose Input/Output 94 PG15 GPIO: General Purpose Input/Output

Note: Each pin in the STM32F407IGH6 is a multi-functional pin. A pin can serve more than one function depending on the configuration and mode set by the microcontroller's firmware. Some pins can function as UART, SPI, I2C, or GPIO pins.

Common FAQs:

Q: What is the main architecture of the STM32F407IGH6? A: The STM32F407IGH6 uses the ARM Cortex-M4 architecture, offering high-performance processing for embedded applications.

Q: How many pins are available in the LQFP-100 package? A: The STM32F407IGH6 in the LQFP-100 package has 100 pins.

Q: How can I configure the pins of STM32F407IGH6 for SPI communication? A: Pins PA5, PA6, PA7, and PB3 can be used for SPI1 communication in the STM32F407IGH6. These pins can be configured for SPI Clock, MISO, MOSI, and NSS.

Q: Can I use the STM32F407IGH6 for UART communication? A: Yes, pins PA9 and PA10 (USART1TX and USART1RX) can be used for UART communication in the STM32F407IGH6.

Q: How many GPIO pins are available in STM32F407IGH6? A: The STM32F407IGH6 has multiple GPIO pins, with 16 GPIO pins in the PA, PB, PC, PD, PE, PF, and PG banks.

Q: Can the STM32F407IGH6 operate without a crystal oscillator? A: Yes, the STM32F407IGH6 can be configured to use an internal oscillator, though using an external crystal offers better accuracy for time-critical applications.

Q: What is the maximum operating frequency of the STM32F407IGH6? A: The STM32F407IGH6 can operate at a maximum frequency of 168 MHz, making it suitable for high-speed applications.

Q: Is STM32F407IGH6 suitable for low-power applications? A: Yes, the STM32F407IGH6 supports various low-power modes such as Sleep, Stop, and Standby to minimize power consumption in low-power applications.

Q: Can I use STM32F407IGH6 for USB communication? A: Yes, the STM32F407IGH6 supports USB 2.0 full-speed communication with dedicated pins for USB OTG functionality.

Q: How do I set up an I2C interface in STM32F407IGH6? A: For I2C communication, you can configure pins PB6 (SCL) and PB7 (SDA) for I2C1 or pins PB8 (SCL) and PB9 (SDA) for I2C3.

This detailed explanation includes the main pinout and functionality, with a specific breakdown of each pin's function. If you have further questions or need more detailed descriptions on specific pin functionalities, feel free to ask!