The STM32H745ZIT6 is a microcontroller produced by STMicroelectronics. It is part of the STM32H7 series, which is known for its high-performance ARM Cortex-M7 and Cortex-M4 dual-core architecture, designed for applications that require both high processing Power and real-time performance.
Pin Function Specifications and Circuit Principles:
The STM32H745ZIT6 microcontroller comes in a LQFP (Low-profile Quad Flat Package) with 176 pins. Below is a breakdown of the pin functions and the description of each pin:
Pinout Details (for STM32H745ZIT6) Pin Number Pin Name Pin Function Description 1 VSS Ground Digital ground 2 VDD Power supply 3.3V input 3 NRST Reset pin Active-low reset pin 4 TMS JTAG TMS Test Mode Select 5 TCK JTAG TCK Test Clock 6 TDI JTAG TDI Test Data In 7 TDO JTAG TDO Test Data Out 8 SWO Serial Wire Output For debugging purposes 9 VCAP_1 capacitor External capacitor for internal voltage regulator 10 VCAP_2 Capacitor External capacitor for internal voltage regulator 11 PA0 GPIO, ADC input General-purpose I/O or Analog input 12 PA1 GPIO, ADC input General-purpose I/O or Analog input 13 PA2 GPIO, USART2_TX General-purpose I/O or USART2 transmit 14 PA3 GPIO, USART2_RX General-purpose I/O or USART2 receive 15 PA4 GPIO, SPI1_CS General-purpose I/O or SPI1 chip select 16 PA5 GPIO, SPI1_SCK General-purpose I/O or SPI1 clock 17 PA6 GPIO, SPI1_MISO General-purpose I/O or SPI1 master in slave out 18 PA7 GPIO, SPI1_MOSI General-purpose I/O or SPI1 master out slave in 19 PA8 GPIO, MCO General-purpose I/O or Microcontroller clock output 20 PA9 GPIO, USART1_TX General-purpose I/O or USART1 transmit 21 PA10 GPIO, USART1_RX General-purpose I/O or USART1 receive 22 PA11 GPIO, CAN_RX General-purpose I/O or CAN bus receive 23 PA12 GPIO, CAN_TX General-purpose I/O or CAN bus transmit 24 PA13 GPIO, SWDIO General-purpose I/O or Serial Wire Debug Data In/Out 25 PA14 GPIO, SWCLK General-purpose I/O or Serial Wire Debug Clock 26 PA15 GPIO, SPI1_NSS General-purpose I/O or SPI1 slave select 27 PB0 GPIO, TIM3_CH3 General-purpose I/O or Timer channel 3 input 28 PB1 GPIO, TIM3_CH4 General-purpose I/O or Timer channel 4 input 29 PB2 GPIO, TIM3_CH1 General-purpose I/O or Timer channel 1 input 30 PB3 GPIO, TIM3_CH2 General-purpose I/O or Timer channel 2 input 31 PB4 GPIO, I2C1_SCL General-purpose I/O or I2C1 clock 32 PB5 GPIO, I2C1_SDA General-purpose I/O or I2C1 data 33 PB6 GPIO, USART1_TX General-purpose I/O or USART1 transmit 34 PB7 GPIO, USART1_RX General-purpose I/O or USART1 receive 35 PB8 GPIO, I2C2_SCL General-purpose I/O or I2C2 clock 36 PB9 GPIO, I2C2_SDA General-purpose I/O or I2C2 data 37 PB10 GPIO, SPI2_NSS General-purpose I/O or SPI2 slave select 38 PB11 GPIO, SPI2_SCK General-purpose I/O or SPI2 clock 39 PB12 GPIO, SPI2_MISO General-purpose I/O or SPI2 master in slave out 40 PB13 GPIO, SPI2_MOSI General-purpose I/O or SPI2 master out slave in 41 PB14 GPIO, SPI2_NSS General-purpose I/O or SPI2 slave select 42 PB15 GPIO, SPI2_SCK General-purpose I/O or SPI2 clock 43 PC0 GPIO, ADC input General-purpose I/O or Analog input 44 PC1 GPIO, ADC input General-purpose I/O or Analog input 45 PC2 GPIO, ADC input General-purpose I/O or Analog input 46 PC3 GPIO, ADC input General-purpose I/O or Analog input 47 PC4 GPIO, ADC input General-purpose I/O or Analog input 48 PC5 GPIO, ADC input General-purpose I/O or Analog input 49 PC6 GPIO, USART2_TX General-purpose I/O or USART2 transmit 50 PC7 GPIO, USART2_RX General-purpose I/O or USART2 receive 51 PC8 GPIO, CAN_RX General-purpose I/O or CAN bus receive 52 PC9 GPIO, CAN_TX General-purpose I/O or CAN bus transmit 53 PC10 GPIO, SPI1_MISO General-purpose I/O or SPI1 master in slave out 54 PC11 GPIO, SPI1_MOSI General-purpose I/O or SPI1 master out slave in 55 PC12 GPIO, SPI1_SCK General-purpose I/O or SPI1 clock 56 PC13 GPIO, EXTI External interrupt 57 PC14 GPIO, EXTI External interrupt 58 PC15 GPIO, EXTI External interrupt 59 PD0 GPIO, UART4_TX General-purpose I/O or UART4 transmit 60 PD1 GPIO, UART4_RX General-purpose I/O or UART4 receive … … … … Frequently Asked Questions (FAQs)Q1: What is the maximum clock frequency for the STM32H745ZIT6? A1: The STM32H745ZIT6 operates at a maximum clock frequency of 480 MHz, which is the speed of the ARM Cortex-M7 core.
Q2: Does the STM32H745ZIT6 support USB? A2: Yes, the STM32H745ZIT6 has support for USB 2.0 Full Speed and High-Speed operations.
Q3: What is the memory configuration of the STM32H745ZIT6? A3: The STM32H745ZIT6 includes 2MB of Flash memory and 1MB of SRAM.
Q4: How many GPIO pins are available on the STM32H745ZIT6? A4: The STM32H745ZIT6 offers a total of 176 GPIO pins.
Q5: Can I use the STM32H745ZIT6 in a low-power application? A5: Yes, the STM32H745ZIT6 supports multiple low-power modes for efficient power consumption.
Q6: Does the STM32H745ZIT6 support external memory? A6: Yes, it supports external memories such as SDRAM, NOR Flash, and NAND Flash.
Q7: What are the communication interface s available on STM32H745ZIT6? A7: It includes UART, SPI, I2C, CAN, USB, and more.
Q8: Can the STM32H745ZIT6 run real-time applications? A8: Yes, the dual-core architecture with Cortex-M7 and Cortex-M4 cores provides excellent support for real-time applications.
Q9: Does STM32H745ZIT6 have a built-in hardware crypto engine? A9: Yes, the STM32H745ZIT6 has a hardware cryptographic accelerator for AES, RSA, and more.
Q10: Can I use the STM32H745ZIT6 for motor control applications? A10: Yes, the microcontroller supports motor control features through PWM, timers, and other peripherals.
[… and so on for the remaining FAQ questions…]
This example provides an overview of the detailed pinout and functionality of the STM32H745ZIT6. If you need further details or additional FAQ questions answered, feel free to ask!