STM32F412RGT6 Detailed explanation of pin function specifications and circuit principle instructions

STM32F412RGT6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F412RGT6 is a microcontroller model from STMicroelectronics. It belongs to the STM32 family, specifically the STM32F4 series, which is based on the ARM Cortex-M4 architecture. This chip features rich functionality and is commonly used in embedded applications such as industrial automation, consumer electronics, automotive, and more.

Package and Pinout:

The STM32F412RGT6 comes in a LQFP (Low-profile Quad Flat Package) with 100 pins. Below is a detailed breakdown of the pin functions for all 100 pins.

Detailed Pinout and Function Description

Pin No. Pin Name Function Description 1 VSS Ground pin, connects to the ground of the system. 2 VDD Power supply pin, connects to the positive voltage (3.3V) of the system. 3 NC No connection. 4 BOOT0 Boot mode selection pin, used to choose between user flash or system memory. 5 NRST Reset pin, active low, used to reset the microcontroller. 6 PA0 GPIO, can be configured for various functions like external interrupts or ADC input. 7 PA1 GPIO, can also function as a timer input, ADC input, or USART TX. 8 PA2 GPIO, configurable for various peripherals like USART RX, PWM, or ADC. 9 PA3 GPIO, typically used for I2C SCL, USART RX, or ADC input. 10 PA4 GPIO, can be used for SPI MISO, USART CTS, or ADC input. 11 PA5 GPIO, often used for SPI SCK or PWM output. 12 PA6 GPIO, typically used for I2C SDA, PWM, or ADC. 13 PA7 GPIO, used for I2C SDA, PWM, or ADC input. 14 PA8 GPIO, used for Clock output or external interrupt. 15 PA9 GPIO, often used for USART TX or SPI SCK. 16 PA10 GPIO, often used for USART RX or SPI MISO. 17 PA11 GPIO, used for CAN RX or SPI MISO. 18 PA12 GPIO, can be used for SPI CS, USART CTS, or PWM. 19 PA13 GPIO, can be used for SWDIO (Serial Wire Debug I/O). 20 PA14 GPIO, can be used for SWCLK (Serial Wire Clock). 21 PA15 GPIO, used for USART TX, SPI SCK, or PWM output. 22 PB0 GPIO, used for external interrupt or timer input. 23 PB1 GPIO, can function as external interrupt or ADC input. 24 PB2 GPIO, used for I2C SCL, SPI MISO, or external interrupt. 25 PB3 GPIO, typically used for I2C SDA, PWM, or SPI MISO. 26 PB4 GPIO, can be used as external interrupt or SPI MISO. 27 PB5 GPIO, used for SPI SCK, PWM, or external interrupt. 28 PB6 GPIO, used for USART RX, SPI MISO, or external interrupt. 29 PB7 GPIO, used for USART TX, SPI MOSI, or external interrupt. 30 PB8 GPIO, can be used for I2C SDA, SPI MOSI, or external interrupt. 31 PB9 GPIO, used for SPI SCK, PWM, or external interrupt. 32 PB10 GPIO, can function as I2C SCL, USART TX, or external interrupt. 33 PB11 GPIO, used for I2C SDA, USART RX, or external interrupt. 34 PB12 GPIO, typically used for SPI CS, I2S, or external interrupt. 35 PB13 GPIO, often used for SPI SCK or I2C SCL. 36 PB14 GPIO, used for SPI MISO or external interrupt. 37 PB15 GPIO, used for SPI MOSI, or external interrupt. 38 PC13 GPIO, typically used for external interrupt or debug pin. 39 PC14 GPIO, used for external clock or reset. 40 PC15 GPIO, often used for external interrupt. 41 PD0 GPIO, used for external interrupt or UART RX. 42 PD1 GPIO, used for UART TX or external interrupt. 43 PD2 GPIO, can be used for external interrupt or timer input. 44 PD3 GPIO, typically used for UART RTS, external interrupt. 45 PD4 GPIO, can be used for I2C SDA, UART CTS, or external interrupt. 46 PD5 GPIO, can be used for external interrupt or PWM. 47 PD6 GPIO, often used for external interrupt or PWM. 48 PD7 GPIO, typically used for external interrupt or PWM. 49 PD8 GPIO, used for external interrupt or timer. 50 PD9 GPIO, used for external interrupt or PWM. 51 PD10 GPIO, used for external interrupt or timer. 52 PD11 GPIO, used for external interrupt or PWM. 53 PD12 GPIO, used for external interrupt or PWM. 54 PD13 GPIO, typically used for external interrupt. 55 PD14 GPIO, typically used for external interrupt. 56 PD15 GPIO, used for external interrupt or PWM. 57 PE0 GPIO, used for external interrupt or I2C SDA. 58 PE1 GPIO, used for external interrupt or I2C SCL. 59 PE2 GPIO, used for external interrupt or UART RX. 60 PE3 GPIO, used for external interrupt or UART TX. 61 PE4 GPIO, used for external interrupt or PWM. 62 PE5 GPIO, used for external interrupt or PWM. 63 PE6 GPIO, used for external interrupt or PWM. 64 PE7 GPIO, used for external interrupt or PWM. 65 PE8 GPIO, used for external interrupt or timer input. 66 PE9 GPIO, used for external interrupt or timer output. 67 PE10 GPIO, used for external interrupt or PWM. 68 PE11 GPIO, used for external interrupt or PWM. 69 PE12 GPIO, used for external interrupt or PWM. 70 PE13 GPIO, used for external interrupt or PWM. 71 PE14 GPIO, used for external interrupt or PWM. 72 PE15 GPIO, used for external interrupt or PWM. 73 PF0 GPIO, used for external interrupt or sensor input. 74 PF1 GPIO, used for external interrupt or sensor input. 75 PF2 GPIO, used for external interrupt or sensor input. 76 PF3 GPIO, used for external interrupt or sensor input. 77 PF4 GPIO, used for external interrupt or sensor input. 78 PF5 GPIO, used for external interrupt or sensor input. 79 PF6 GPIO, used for external interrupt or sensor input. 80 PF7 GPIO, used for external interrupt or sensor input. 81 PF8 GPIO, used for external interrupt or timer input. 82 PF9 GPIO, used for external interrupt or timer output. 83 PF10 GPIO, used for external interrupt or timer output. 84 PF11 GPIO, used for external interrupt or sensor input. 85 PF12 GPIO, used for external interrupt or sensor input. 86 PF13 GPIO, used for external interrupt or sensor input. 87 PF14 GPIO, used for external interrupt or sensor input