Overview
The STM32H745XIH3 is a high-performance 32-bit microcontroller from STMicroelectronics, part of the STM32H7 series. This device is based on the dual-core architecture of the Arm Cortex-M7 and Cortex-M4 cores, offering a robust and efficient solution for a wide range of applications. The Cortex-M7 core operates at up to 480 MHz, while the Cortex-M4 core operates at up to 240 MHz, both featuring floating-point units (FPUs) and memory protection units (MPUs) to enhance application security and performance.
The microcontroller includes extensive memory resources, such as up to 2 Mbytes of flash memory and 1 Mbyte of RAM, along with a dual-bank flash memory and various types of SRAM. It also features a rich set of peripherals and interfaces, making it suitable for complex and demanding applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM Cortex-M7/M4 |
| Program Memory Type | Flash |
| Flash Size | 2 MB |
| RAM Size | 1060 kB |
| Speed | Up to 480 MHz (Cortex-M7), Up to 240 MHz (Cortex-M4) |
| No of I/O Lines | 168 |
| Interface/Connectivity | CAN, I2C, I2S, SPI, UART, USART, USB |
| Peripherals | Brownout Reset, Brown-out Detect, DMA, I2S, LCD, POR, PWM |
| Number Of Timers | 18 (including 12 general-purpose 16-bit timers and 2 PWM timers) |
| Supply Voltage | 1.62V to 3.6V |
| Operating Temperature | -40°C to +125°C |
| On-Chip ADC | 36-ch x 16-bit |
| On-Chip DAC | 2-ch x 12-bit |
| Package Style | TFBGA-265 |
Key Features
- Dual-Core Architecture: Features both Arm Cortex-M7 and Cortex-M4 cores, providing high performance and efficiency.
- High-Speed Processing: Cortex-M7 core operates at up to 480 MHz and Cortex-M4 core at up to 240 MHz.
- Extensive Memory: Up to 2 Mbytes of flash memory and 1 Mbyte of RAM, including TCM RAM, user SRAM, and backup SRAM.
- Advanced Peripherals: Includes multiple ADCs, DACs, ultra-low power comparators, low-power RTC, high-resolution timer, and various communication interfaces.
- Power Management: Three separate power domains, low-power modes (Sleep, Stop, Standby), and a high power-efficiency SMPS step-down converter regulator.
- Security Features: ROP, PC-ROP, active tamper, and memory protection units (MPUs) for enhanced security.
- Communication Interfaces: Supports CAN, I2C, I2S, SPI, UART, USART, USB, Ethernet, and more.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication.
- Medical Devices: Can be used in medical equipment requiring high precision and reliability.
- Aerospace and Defense: Applicable in various aerospace and defense applications due to its robust and secure features.
- Consumer Electronics: Ideal for high-performance consumer electronics such as smart home devices and wearables.
- Automotive Systems: Used in advanced driver-assistance systems (ADAS), infotainment systems, and other automotive applications.
Q & A
- What is the core architecture of the STM32H745XIH3?
The STM32H745XIH3 features a dual-core architecture with an Arm Cortex-M7 core and an Arm Cortex-M4 core.
- What is the maximum operating frequency of the Cortex-M7 core?
The Cortex-M7 core operates at up to 480 MHz.
- How much flash memory and RAM does the STM32H745XIH3 have?
The device includes up to 2 Mbytes of flash memory and 1 Mbyte of RAM.
- What are the key peripherals and interfaces available on the STM32H745XIH3?
The device features multiple ADCs, DACs, ultra-low power comparators, various communication interfaces (CAN, I2C, I2S, SPI, UART, USART, USB), and more.
- What are the power management features of the STM32H745XIH3?
The device includes three separate power domains, low-power modes (Sleep, Stop, Standby), and a high power-efficiency SMPS step-down converter regulator.
- What is the operating temperature range of the STM32H745XIH3?
The operating temperature range is -40°C to +125°C.
- Does the STM32H745XIH3 support Ethernet communication?
Yes, it supports Ethernet MAC interface with DMA controller.
- What is the package style of the STM32H745XIH3?
The package style is TFBGA-265.
- What security features does the STM32H745XIH3 offer?
The device includes ROP, PC-ROP, active tamper, and memory protection units (MPUs) for enhanced security.
- What are some typical applications of the STM32H745XIH3?
It is suitable for industrial automation, medical devices, aerospace and defense, consumer electronics, and automotive systems.
- Is the STM32H745XIH3 RoHS compliant?
Yes, the STM32H745XIH3 is RoHS compliant with an Ecopack2 grade.
