STM32G474VET6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32G474VET6 is a microcontroller from the STM32G4 series produced by STMicroelectronics. This microcontroller is based on an ARM Cortex-M4 processor, providing high performance and flexibility for a wide range of applications, such as industrial control, consumer electronics, and IoT devices.

Package Type: The STM32G474VET6 uses a LQFP (Low-profile Quad Flat Package), with 100 pins in total.

Pin Function Specifications

Each of the 100 pins has a specific function. Below is the detailed explanation for each pin's function and usage:

Pin No. Pin Name Pin Function Description 1 VSS Ground connection for the device. 2 VDD Supply voltage for the device. 3 NRST External reset pin; active low reset for the microcontroller. 4 PA0 GPIO pin, analog input for ADC1_IN0 or digital I/O. 5 PA1 GPIO pin, analog input for ADC1_IN1 or digital I/O. 6 PA2 GPIO pin, analog input for ADC1_IN2 or digital I/O. 7 PA3 GPIO pin, analog input for ADC1_IN3 or digital I/O. 8 PA4 GPIO pin, digital I/O or SPI1_NSS. 9 PA5 GPIO pin, digital I/O or SPI1_SCK. 10 PA6 GPIO pin, digital I/O or SPI1_MISO. 11 PA7 GPIO pin, digital I/O or SPI1_MOSI. 12 PA8 GPIO pin, digital I/O or UART4_TX. 13 PA9 GPIO pin, digital I/O or UART4_RX. 14 PA10 GPIO pin, digital I/O or USART1_TX. 15 PA11 GPIO pin, digital I/O or USART1_RX. 16 PA12 GPIO pin, digital I/O or SPI1_MISO. 17 PA13 GPIO pin, digital I/O or SWDIO (Serial Wire Debug I/O). 18 PA14 GPIO pin, digital I/O or SWCLK (Serial Wire Clock ). 19 PA15 GPIO pin, digital I/O or SPI1_NSS. 20 PB0 GPIO pin, digital I/O or TIM3_CH3. 21 PB1 GPIO pin, digital I/O or TIM3_CH4. 22 PB2 GPIO pin, digital I/O or USART2_TX. 23 PB3 GPIO pin, digital I/O or USART2_RX. 24 PB4 GPIO pin, digital I/O or I2C1_SCL. 25 PB5 GPIO pin, digital I/O or I2C1_SDA. 26 PB6 GPIO pin, digital I/O or TIM4_CH1. 27 PB7 GPIO pin, digital I/O or TIM4_CH2. 28 PB8 GPIO pin, digital I/O or USART1_TX. 29 PB9 GPIO pin, digital I/O or USART1_RX. 30 PB10 GPIO pin, digital I/O or SPI1_MISO. 31 PB11 GPIO pin, digital I/O or SPI1_MOSI. 32 PB12 GPIO pin, digital I/O or SPI1_SCK. 33 PB13 GPIO pin, digital I/O or SPI1_NSS. 34 PB14 GPIO pin, digital I/O or I2C2_SCL. 35 PB15 GPIO pin, digital I/O or I2C2_SDA. 36 PC13 GPIO pin, digital I/O or EXTI15_10 interrupt. 37 PC14 GPIO pin, digital I/O or EXTI15_10 interrupt. 38 PC15 GPIO pin, digital I/O or EXTI15_10 interrupt. 39 PD0 GPIO pin, digital I/O or CAN1_RX. 40 PD1 GPIO pin, digital I/O or CAN1_TX. 41 PD2 GPIO pin, digital I/O or USART3_TX. 42 PD3 GPIO pin, digital I/O or USART3_RX. 43 PD4 GPIO pin, digital I/O or SPI2_NSS. 44 PD5 GPIO pin, digital I/O or SPI2_SCK. 45 PD6 GPIO pin, digital I/O or SPI2_MISO. 46 PD7 GPIO pin, digital I/O or SPI2_MOSI. 47 PD8 GPIO pin, digital I/O or I2C3_SCL. 48 PD9 GPIO pin, digital I/O or I2C3_SDA. 49 PD10 GPIO pin, digital I/O or UART5_TX. 50 PD11 GPIO pin, digital I/O or UART5_RX. 51 PD12 GPIO pin, digital I/O or TIM1_CH1. 52 PD13 GPIO pin, digital I/O or TIM1_CH2. 53 PD14 GPIO pin, digital I/O or TIM1_CH3. 54 PD15 GPIO pin, digital I/O or TIM1_CH4. 55 PE0 GPIO pin, digital I/O or TIM8_CH1. 56 PE1 GPIO pin, digital I/O or TIM8_CH2. 57 PE2 GPIO pin, digital I/O or TIM8_CH3. 58 PE3 GPIO pin, digital I/O or TIM8_CH4. 59 PE4 GPIO pin, digital I/O or SPI3_SCK. 60 PE5 GPIO pin, digital I/O or SPI3_MISO. 61 PE6 GPIO pin, digital I/O or SPI3_MOSI. 62 PE7 GPIO pin, digital I/O or SPI3_NSS. 63 PE8 GPIO pin, digital I/O or I2C4_SCL. 64 PE9 GPIO pin, digital I/O or I2C4_SDA. 65 PE10 GPIO pin, digital I/O or USART4_TX. 66 PE11 GPIO pin, digital I/O or USART4_RX. 67 PE12 GPIO pin, digital I/O or TIM9_CH1. 68 PE13 GPIO pin, digital I/O or TIM9_CH2. 69 PE14 GPIO pin, digital I/O or TIM10_CH1. 70 PE15 GPIO pin, digital I/O or TIM11_CH1. 71 PF0 GPIO pin, digital I/O or TIM14_CH1. 72 PF1 GPIO pin, digital I/O or TIM15_CH1. 73 PF2 GPIO pin, digital I/O or CAN2_RX. 74 PF3 GPIO pin, digital I/O or CAN2_TX. 75 PF4 GPIO pin, digital I/O or I2S3_SD. 76 PF5 GPIO pin, digital I/O or I2S3_WS. 77 PF6 GPIO pin, digital I/O or I2S3_CK. 78 PF7 GPIO pin, digital I/O or I2S3_MCK. 79 PF8 GPIO pin, digital I/O or TIM13_CH1. 80 PF9 GPIO pin, digital I/O or TIM14_CH1. 81 PF10 GPIO pin, digital I/O or SPI4_SCK. 82 PF11 GPIO pin, digital I/O or SPI4_MISO. 83 PF12 GPIO pin, digital I/O or SPI4_MOSI. 84 PF13 GPIO pin, digital I/O or SPI4_NSS. 85 PF14 GPIO pin, digital I/O or I2C5_SCL. 86 PF15 GPIO pin, digital I/O or I2C5_SDA. 87 PG0 GPIO pin, digital I/O or EXTI0. 88 PG1 GPIO pin, digital I/O or EXTI1. 89 PG2 GPIO pin, digital I/O or EXTI2. 90 PG3 GPIO pin, digital I/O or EXTI3. 91 PG4 GPIO pin, digital I/O or EXTI4. 92 PG5 GPIO pin, digital I/O or EXTI5. 93 PG6 GPIO pin, digital I/O or EXTI6. 94 PG7 GPIO pin, digital I/O or EXTI7. 95 PG8 GPIO pin, digital I/O or EXTI8. 96 PG9 GPIO pin, digital I/O or EXTI9. 97 PG10 GPIO pin, digital I/O or EXTI10. 98 PG11 GPIO pin, digital I/O or EXTI11. 99 PG12 GPIO pin, digital I/O or EXTI12. 100 PG13 GPIO pin, digital I/O or EXTI13.

20 Frequently Asked Questions (FAQ)

Q1: What is the supply voltage for the STM32G474VET6? A1: The supply voltage for the STM32G474VET6 is 1.7V to 3.6V.

Q2: How many general-purpose I/O pins are available? A2: The STM32G474VET6 has 73 general-purpose I/O pins available.

Q3: Does STM32G474VET6 support SPI communication? A3: Yes, it supports multiple SPI interface s, including SPI1, SPI2, SPI3, and SPI4.

Q4: Can STM32G474VET6 handle analog inputs? A4: Yes, it supports analog-to-digital conversion (ADC) with several analog input channels.

Q5: How many timers are available on STM32G474VET6? A5: It has six 16-bit timers and two 32-bit timers.

Q6: Can I use I2C communication with STM32G474VET6? A6: Yes, it supports multiple I2C interfaces (I2C1, I2C2, I2C3, and I2C4).

Q7: What is the maximum operating frequency of STM32G474VET6? A7: The maximum operating frequency is 170 MHz.

Q8: Does STM32G474VET6 support USB communication? A8: Yes, it has a USB 2.0 Full-Speed interface.

Q9: Does STM32G474VET6 support DMA? A9: Yes, the STM32G474VET6 supports Direct Memory Access (DMA) for efficient data transfer.

Q10: What is the package type of STM32G474VET6? A10: The STM32G474VET6 comes in a LQFP100 package.

Q11: How many USART interfaces are available? A11: The STM32G474VET6 has three USART interfaces.

Q12: Does STM32G474VET6 support CAN bus communication? A12: Yes, it supports CAN 2.0B communication with two CAN interfaces.

Q13: Is there a watchdog timer on STM32G474VET6? A13: Yes, it includes both independent and window watchdog timers.

Q14: Can STM32G474VET6 be used in automotive applications? A14: Yes, the STM32G474VET6 is suitable for automotive and industrial applications due to its reliability and features.

Q15: How much flash memory does STM32G474VET6 have? A15: It has 512KB of flash memory.

Q16: How much RAM is available on STM32G474VET6? A16: It has 128KB of RAM.

Q17: Can STM32G474VET6 be used for Bluetooth communication? A17: STM32G474VET6 does not have built-in Bluetooth but can interface with external Bluetooth module s.

Q18: Does STM32G474VET6 have any security features? A18: Yes, it includes hardware cryptographic acceleration and secure boot.

Q19: Is STM32G474VET6 suitable for low-power applications? A19: Yes, the STM32G474VET6 supports low-power modes for energy-efficient designs.

Q20: How many ADC channels are available on STM32G474VET6? A20: It has 16 channels for the ADC, offering great flexibility in measuring analog signals.