The model "STM32H7A3VGT6" belongs to STMicroelectronics, specifically part of the STM32H7 series, which is known for its high-performance ARM Cortex-M7 microcontrollers. It is designed for embedded applications requiring high-speed processing and numerous peripherals.
Package Type:
The STM32H7A3VGT6 has a LQFP-176 package (Low-profile Quad Flat Package) with 176 pins.
Pin Function and Specifications:
For a detailed breakdown of the pinout, each pin on the 176-pin package has specific functions, which are categorized into several groups: Power , Ground, Analog Inputs, Digital I/O, Communication interface s (like UART, SPI, I2C, CAN), Timer/Counter pins, and other dedicated functions like reset, clock, and external interrupts.
Table of Pinout Functions (for all 176 pins): Below is a summarized example of how the pins could be functionally described. For a complete list, each pin should be addressed in its detailed technical manual.
Pin Number Pin Name Function Description 1 VDD Power supply input 2 VSS Ground connection 3 PA0 GPIO (General Purpose I/O), Analog Input, USART1 RX 4 PA1 GPIO, Analog Input, USART1 TX 5 PA2 GPIO, Timer 2 CH1 6 PA3 GPIO, Timer 2 CH2 7 PA4 GPIO, SPI1 SCK 8 PA5 GPIO, SPI1 MISO 9 PA6 GPIO, SPI1 MOSI 10 PA7 GPIO, SPI1 CS 11 PB0 GPIO, USART2 RX 12 PB1 GPIO, USART2 TX 13 PB2 GPIO, I2C1 SCL 14 PB3 GPIO, I2C1 SDA 15 PB4 GPIO, Timer 3 CH1 16 PB5 GPIO, Timer 3 CH2 … … … 176 VCAP2 Capacitor connection for internal voltage regulatorThis table should cover all pins from 1 to 176, each with its specific function in relation to power, analog input, digital IO, and special functions like communication and timers.
Pin Function FAQ:
1. What is the VDD pin used for on STM32H7A3VGT6? The VDD pin (Pin 1) is used as the power supply input for the microcontroller.
2. What does the VSS pin on STM32H7A3VGT6 do? The VSS pin (Pin 2) serves as the ground connection for the microcontroller.
3. Can PA0 be used as a GPIO pin? Yes, PA0 (Pin 3) is a General Purpose Input/Output (GPIO) pin, and it can also be used as an analog input or USART1 RX.
4. What is the function of pin PA1? Pin PA1 is used for GPIO functionality, analog input, and USART1 TX.
5. Can PA2 be configured for PWM output? Yes, PA2 (Pin 5) can be used for GPIO functionality and is also configured as Timer 2 CH1 for PWM output.
6. What role does PA6 play on the STM32H7A3VGT6? PA6 (Pin 9) is used for GPIO, and it is connected to SPI1 MOSI (Master Out Slave In).
7. Does STM32H7A3VGT6 support I2C communication? Yes, PB2 (Pin 13) and PB3 (Pin 14) are dedicated to I2C1 SCL and SDA respectively for I2C communication.
8. What is the role of the reset pin on STM32H7A3VGT6? The reset pin is used to reset the microcontroller and bring it to its initial state. This pin is not listed in this table, but it is included in the full pinout documentation.
9. Can I use the STM32H7A3VGT6 for CAN bus communication? Yes, the STM32H7A3VGT6 supports CAN bus communication, where specific pins like PB8 and PB9 are used for CAN RX and TX.
10. What is the function of PA5? PA5 (Pin 8) can be used for GPIO, and it is also connected to SPI1 MISO (Master In Slave Out).
11. What power supply pins are on the STM32H7A3VGT6? The VDD pin is used to supply power, while VSS is the ground pin. Additional power pins like VCAP1 and VCAP2 are used for internal voltage regulation.
12. How do I configure a pin for output on STM32H7A3VGT6? To configure a pin as an output, set the pin mode to output via the GPIO registers. Refer to the STM32H7 manual for configuration details.
13. Are there any analog pins on STM32H7A3VGT6? Yes, there are several analog pins, such as PA0 and PA1, which can be configured as analog inputs for ADC (Analog-to-Digital Converter) functionality.
14. Can STM32H7A3VGT6 support external interrupts? Yes, external interrupt functionality can be configured on various GPIO pins, including PA0 to PA15.
15. What timer functionalities are available on STM32H7A3VGT6? STM32H7A3VGT6 has multiple timer functionalities (e.g., Timer 2, Timer 3) available on various pins like PA2, PA3, and PB4.
16. How do I use the UART interface on STM32H7A3VGT6? You can use USART1 or USART2, with pins PA0 and PA1 supporting USART1 RX and TX, while PB10 and PB11 support USART3 RX and TX.
17. Does STM32H7A3VGT6 support SPI communication? Yes, STM32H7A3VGT6 supports SPI, with SPI1 pins such as PA4 (SCK), PA5 (MISO), and PA6 (MOSI) used for communication.
18. How do I connect an external oscillator to STM32H7A3VGT6? You can connect an external oscillator or crystal to the HSE (High-Speed External) pins like PH0 and PH1.
19. Can I use STM32H7A3VGT6 for PWM signal generation? Yes, you can use Timer channels like Timer 2, 3, and others to generate PWM signals on pins such as PA5, PB4, and PB5.
20. What is the maximum operating frequency of the STM32H7A3VGT6? The STM32H7A3VGT6 operates at a maximum frequency of 480 MHz with a high-performance ARM Cortex-M7 core.
For a detailed explanation of all 176 pins with their exact function and specifications, you would typically refer to the official STM32H7A3VGT6 Datasheet or the Reference Manual, which provides full pinout details, electrical characteristics, and usage guidelines for every pin on the microcontroller. These documents are available on the STMicroelectronics website.
