Overview
The STM32H745XIH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H7 series. It is based on the dual-core architecture of the Arm® Cortex®-M7 and Cortex®-M4 32-bit RISC cores. The Cortex®-M7 core operates at up to 480 MHz, while the Cortex®-M4 core operates at up to 240 MHz. Both cores feature a floating-point unit (FPU) and support Arm® single- and double-precision operations, along with a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
This microcontroller is designed to offer high-speed embedded memories, including up to 2 Mbytes of flash memory with read-while-write support and 1 Mbyte of RAM. The device also includes an extensive range of enhanced I/Os and peripherals connected to various buses, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Device Core | Dual 32-bit Arm® Cortex®-M7 and Cortex®-M4 |
| CPU Speed | Up to 480 MHz (Cortex®-M7), up to 240 MHz (Cortex®-M4) |
| Program Memory | Up to 2 Mbytes of flash memory with read-while-write support |
| RAM | 1 Mbyte: 192 Kbytes of TCM RAM, 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM |
| Interfaces | CAN, Ethernet, I2C, I2S, IrDA, LIN, LPUART, MAC, OTG, PMBus, SAI, SDIO, SMBus, SPI, UART, USART, USB |
| ADC Channels | 3 ADCs with 16-bit max. resolution (up to 36 channels, up to 3.6 MSPS) |
| DAC Converters | 2 × 12-bit D/A converters (1 MHz) |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 1.62V to 3.6V |
| Package | TFBGA-265 |
| I/O Ports | Up to 168 I/O ports with interrupt capability |
Key Features
- Dual-core architecture with Arm® Cortex®-M7 and Cortex®-M4 cores, each with an FPU.
- High-speed embedded memories: up to 2 Mbytes of flash memory and 1 Mbyte of RAM.
- Dual mode Quad-SPI memory interface running up to 133 MHz.
- Flexible external memory controller supporting SRAM, PSRAM, SDRAM/LPSDR SDRAM, and NOR/NAND flash memory.
- Extensive range of enhanced I/Os and peripherals, including three ADCs, two DACs, two ultra-low power comparators, and operational amplifiers.
- Advanced communication interfaces: CAN, Ethernet, I2C, I2S, IrDA, LIN, LPUART, MAC, OTG, PMBus, SAI, SDIO, SMBus, SPI, UART, USART, USB.
- Security features: ROP, PC-ROP, active tamper, and a true random number generator (RNG).
- Low power modes: 2.95 µA in Standby mode (Backup SRAM OFF, RTC/LSE ON).
- Internal and external oscillators, including 64 MHz HSI, 48 MHz HSI48, 4 MHz CSI, and 32 kHz LSI.
Applications
The STM32H745XIH6 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring high performance and low power consumption.
- Aerospace and defense systems where reliability and security are critical.
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment.
- IoT devices that require advanced processing capabilities and multiple interfaces.
- Consumer electronics, such as smart home devices and high-end appliances.
Q & A
- What are the core specifications of the STM32H745XIH6?
The STM32H745XIH6 features dual 32-bit Arm® Cortex®-M7 and Cortex®-M4 cores, with the Cortex®-M7 core operating at up to 480 MHz and the Cortex®-M4 core at up to 240 MHz.
- How much memory does the STM32H745XIH6 have?
The device has up to 2 Mbytes of flash memory and 1 Mbyte of RAM, including 192 Kbytes of TCM RAM and 864 Kbytes of user SRAM.
- What are the key interfaces supported by the STM32H745XIH6?
The device supports a wide range of interfaces, including CAN, Ethernet, I2C, I2S, IrDA, LIN, LPUART, MAC, OTG, PMBus, SAI, SDIO, SMBus, SPI, UART, USART, and USB.
- What are the power consumption characteristics of the STM32H745XIH6?
The device has low power modes, with a standby current of 2.95 µA (Backup SRAM OFF, RTC/LSE ON).
- What security features does the STM32H745XIH6 offer?
The device includes security features such as ROP, PC-ROP, active tamper, and a true random number generator (RNG).
- What is the operating temperature range of the STM32H745XIH6?
The operating temperature range is from -40°C to 85°C.
- What is the supply voltage range for the STM32H745XIH6?
The supply voltage range is from 1.62V to 3.6V.
- What package type is the STM32H745XIH6 available in?
The device is available in a TFBGA-265 package.
- How many I/O ports does the STM32H745XIH6 have?
The device has up to 168 I/O ports with interrupt capability.
- What are some typical applications for the STM32H745XIH6?
Typical applications include industrial automation, medical devices, aerospace and defense systems, automotive systems, IoT devices, and consumer electronics.
