STM32F777NIH6 Detailed explanation of pin function specifications and circuit principle instructions
The part you mentioned, "STM32F777NIH6," belongs to the STM32 family of microcontrollers by STMicroelectronics. STM32 microcontrollers are based on ARM Cortex-M cores and are widely used for embedded systems in various applications, including automotive, industrial, and consumer electronics.
Package and Pin Details
The STM32F777NIH6 model specifically uses a LQFP-100 package (Low-Profile Quad Flat Package), which has 100 pins.
Below is a comprehensive table for the pinout of this microcontroller, detailing each pin's function.
STM32F777NIH6 Pinout Table (LQFP-100 Package) Pin Number Pin Name Pin Function Description 1 VSS Ground 2 VDD Power supply 3 PA0 GPIO, ADC1_IN0 4 PA1 GPIO, ADC1_IN1 5 PA2 GPIO, USART2_TX 6 PA3 GPIO, USART2_RX 7 PA4 GPIO, SPI1_NSS 8 PA5 GPIO, SPI1_SCK 9 PA6 GPIO, SPI1_MISO 10 PA7 GPIO, SPI1_MOSI 11 PA8 GPIO, MCO1 12 PA9 GPIO, USART1_TX 13 PA10 GPIO, USART1_RX 14 PA11 GPIO, CAN1_RX 15 PA12 GPIO, CAN1_TX 16 PA13 GPIO, SWDIO 17 PA14 GPIO, SWCLK 18 PA15 GPIO, JTDI 19 PB0 GPIO, JTDO 20 PB1 GPIO, JTRST 21 PB2 GPIO, I2C1_SCL 22 PB3 GPIO, I2C1_SDA 23 PB4 GPIO, SPI2_NSS 24 PB5 GPIO, SPI2_SCK 25 PB6 GPIO, SPI2_MISO 26 PB7 GPIO, SPI2_MOSI 27 PB8 GPIO, USART3_TX 28 PB9 GPIO, USART3_RX 29 PB10 GPIO, I2C2_SCL 30 PB11 GPIO, I2C2_SDA 31 PB12 GPIO, USART3_CK 32 PB13 GPIO, SWDIO 33 PB14 GPIO, SWCLK 34 PB15 GPIO, CAN2_RX 35 PC0 GPIO, CAN2_TX 36 PC1 GPIO, I2C3_SCL 37 PC2 GPIO, I2C3_SDA 38 PC3 GPIO, USART3_RTS 39 PC4 GPIO, USART3_CTS 40 PC5 GPIO, ADC1_IN4 41 PC6 GPIO, SPI3_NSS 42 PC7 GPIO, SPI3_SCK 43 PC8 GPIO, SPI3_MISO 44 PC9 GPIO, SPI3_MOSI 45 PC10 GPIO, USART3_TX 46 PC11 GPIO, USART3_RX 47 PC12 GPIO, USART3_CK 48 PD0 GPIO, USART2_TX 49 PD1 GPIO, USART2_RX 50 PD2 GPIO, SPI1_NSS 51 PD3 GPIO, SPI1_SCK 52 PD4 GPIO, SPI1_MISO 53 PD5 GPIO, SPI1_MOSI 54 PD6 GPIO, MCO2 55 PD7 GPIO, USART2_RTS 56 PD8 GPIO, USART2_CTS 57 PD9 GPIO, I2S_CK 58 PD10 GPIO, I2S_WS 59 PD11 GPIO, I2S_SD 60 PD12 GPIO, I2S_MCK 61 PD13 GPIO, JTDI 62 PD14 GPIO, JTDO 63 PD15 GPIO, JTRST 64 PE0 GPIO, SPI2_NSS 65 PE1 GPIO, SPI2_SCK 66 PE2 GPIO, SPI2_MISO 67 PE3 GPIO, SPI2_MOSI 68 PE4 GPIO, I2C3_SCL 69 PE5 GPIO, I2C3_SDA 70 PE6 GPIO, USART2_CK 71 PE7 GPIO, USART2_RTS 72 PE8 GPIO, USART2_CTS 73 PE9 GPIO, ADC1_IN9 74 PE10 GPIO, ADC1_IN8 75 PE11 GPIO, SPI1_SCK 76 PE12 GPIO, SPI1_MISO 77 PE13 GPIO, SPI1_MOSI 78 PE14 GPIO, CAN2_TX 79 PE15 GPIO, CAN2_RX 80 PF0 GPIO, USART1_TX 81 PF1 GPIO, USART1_RX 82 PF2 GPIO, SPI1_MOSI 83 PF3 GPIO, SPI1_MISO 84 PF4 GPIO, SPI1_SCK 85 PF5 GPIO, SPI1_NSS 86 PF6 GPIO, I2S_MCK 87 PF7 GPIO, I2S_WS 88 PF8 GPIO, I2S_SD 89 PF9 GPIO, SPI2_MISO 90 PF10 GPIO, SPI2_MOSI 91 PF11 GPIO, SPI2_SCK 92 PF12 GPIO, SPI2_NSS 93 PF13 GPIO, USART1_CK 94 PF14 GPIO, USART1_RTS 95 PF15 GPIO, USART1_CTS 96 PG0 GPIO, I2C2_SCL 97 PG1 GPIO, I2C2_SDA 98 PG2 GPIO, I2C1_SCL 99 PG3 GPIO, I2C1_SDA 100 VSS GroundFAQs on the STM32F777NIH6 Pin Functions
Q: What is the VSS pin used for in STM32F777NIH6? A: The VSS pin is used as the ground reference for the device.
Q: What is the VDD pin used for in STM32F777NIH6? A: The VDD pin provides the power supply to the microcontroller.
Q: Can PA0 be used as a GPIO pin? A: Yes, PA0 can be configured as a GPIO pin or used as ADC1_IN0 for analog input.
Q: Can PA2 and PA3 be used for UART communication? A: Yes, PA2 is used as USART2TX and PA3 as USART2RX for transmitting and receiving data.
Q: What does PA5 serve as in STM32F777NIH6? A: PA5 serves as the SPI1_SCK pin for Clock signaling in SPI communication.
Q: What is the role of PB1 pin? A: PB1 is used for JTRST, the JTAG reset pin.
Q: How many I2C peripherals does STM32F777NIH6 support? A: STM32F777NIH6 supports up to 3 I2C peripherals, with I2C1 on PB6/PB7, I2C2 on PB10/PB11, and I2C3 on PC9/PC10.
Q: How is the MCO1 function used? A: PA8 is used for MCO1 (Microcontroller Clock Output) to output the system clock.
Q: Can the STM32F777NIH6 communicate via CAN? A: Yes, the STM32F777NIH6 supports CAN communication on PA11/PA12 and PB15/PC0.
Q: What is the function of PF4? A: PF4 serves as SPI1_SCK for serial clock signaling in SPI communication.
Q: What does PC6/PC7 serve for? A: PC6 and PC7 are used as SPI3NSS and SPI3SCK respectively for SPI3 communication.
Q: Can the STM32F777NIH6 operate in low-power mode? A: Yes, it has several low-power modes, including Sleep and Stop modes, which are useful in energy-sensitive applications.
Q: What is the significance of PB8 and PB9? A: PB8 and PB9 are used for USART3TX and USART3RX, respectively, for serial communication.
Q: What type of interface is supported for external Memory ? A: The STM32F777NIH6 supports external memory interfaces such as FSMC (Flexible Static Memory Controller) on PD0 to PD15.
Q: How many PWM channels does STM32F777NIH6 support? A: The STM32F777NIH6 has multiple PWM channels available on several pins such as PA0, PA1, PA8, and others.
Q: What is the maximum frequency of SPI communication? A: The SPI maximum clock frequency is up to 72 MHz, depending on the clock configuration.
Q: How is the ADC1 configured on the STM32F777NIH6? A: The ADC1 is available on multiple pins, such as PA0 to PA5, for analog-to-digital conversion.
Q: Does STM32F777NIH6 have a DAC? A: Yes, it includes a DAC (Digital-to-Analog Converter) on PA4 and PA5.
Q: Can the STM32F777NIH6 be used in motor control applications? A: Yes, with its PWM capabilities, ADC, and timers, the STM32F777NIH6 is suitable for motor control.
Q: Is there an external interrupt capability? A: Yes, the STM32F777NIH6 supports external interrupts on various GPIO pins.
I hope this comprehensive guide and FAQs help!