Overview
The STM32H747XGH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H7 series. It is built around dual 32-bit Arm® Cortex®-M7 and Cortex®-M4 cores, providing a robust platform for demanding applications. The device is designed to offer a comprehensive set of peripherals and features, making it suitable for a wide range of applications, including industrial, automotive, and consumer electronics.
Key Specifications
| Specification | Details |
|---|---|
| Cores | 32-bit Arm® Cortex®-M7 core (up to 480 MHz) and 32-bit Arm® Cortex®-M4 core (up to 240 MHz) |
| Flash Memory | Up to 2 Mbytes with read-while-write capability |
| RAM | 1 Mbyte (864 Kbytes of user SRAM, 4 Kbytes of SRAM in the backup domain, and 192 Kbytes of TCM RAM) |
| Cache | 16 Kbytes of data and 16 Kbytes of instruction cache for Cortex®-M7 core |
| DMIPS | 1027 DMIPS for Cortex®-M7 core and 300 DMIPS for Cortex®-M4 core |
| Internal Oscillators | 64 MHz HSI, 48 MHz HSI48, 4 MHz CSI, 32 kHz LSI |
| External Oscillators | 4-48 MHz HSE, 32.768 kHz LSE |
| Communication Peripherals | Up to 35 communication peripherals including I2Cs, USARTs/UARTs, SPIs, and more |
| Power Domains | 3 separate power domains (D1, D2, D3) which can be independently clock-gated or switched off |
Key Features
- Dual-Core Architecture: Combines a 32-bit Arm® Cortex®-M7 core with a 32-bit Arm® Cortex®-M4 core, offering high performance and flexibility.
- High-Performance Cores: Cortex®-M7 core with double-precision FPU and L1 cache, operating up to 480 MHz, and Cortex®-M4 core with FPU and ART Accelerator, operating up to 240 MHz.
- Memory and Cache: Up to 2 Mbytes of Flash memory with read-while-write capability, 1 Mbyte of RAM, and 16 Kbytes of data and instruction cache for the Cortex®-M7 core.
- Peripherals and Interfaces: Includes USB OTG HS, Ethernet, microSD card, SAI audio DAC, MEMS digital microphone, SDRAM, quad-SPI flash, DCMI connector, MIPI® DSI interface, and more.
- Power Management: Features 3 separate power domains that can be independently clock-gated or switched off.
- Security Features: Includes ROP, PC-ROP, active tamper, and a memory protection unit (MPU) for enhanced security.
- Communication Interfaces: Supports up to 35 communication peripherals including I2Cs, USARTs/UARTs, SPIs, and more.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication protocols.
- Automotive Systems: Used in advanced driver-assistance systems (ADAS), infotainment systems, and vehicle control units.
- Consumer Electronics: Ideal for smart home devices, wearables, and other consumer electronics requiring high performance and low power consumption.
- Medical Devices: Can be used in medical diagnostic equipment, patient monitoring systems, and other medical applications.
- Aerospace and Defense: Suitable for various aerospace and defense applications due to its high reliability and security features.
Q & A
- What are the core specifications of the STM32H747XGH6?
The STM32H747XGH6 features a 32-bit Arm® Cortex®-M7 core operating up to 480 MHz and a 32-bit Arm® Cortex®-M4 core operating up to 240 MHz.
- How much Flash and RAM does the STM32H747XGH6 have?
The device has up to 2 Mbytes of Flash memory and 1 Mbyte of RAM.
- What are the key peripherals and interfaces available on the STM32H747XGH6?
The device includes USB OTG HS, Ethernet, microSD card, SAI audio DAC, MEMS digital microphone, SDRAM, quad-SPI flash, DCMI connector, MIPI® DSI interface, and more.
- What are the power management features of the STM32H747XGH6?
The device features 3 separate power domains that can be independently clock-gated or switched off.
- What security features does the STM32H747XGH6 offer?
The device includes ROP, PC-ROP, active tamper, and a memory protection unit (MPU) for enhanced security.
- What are some typical applications of the STM32H747XGH6?
The device is suitable for industrial automation, automotive systems, consumer electronics, medical devices, and aerospace and defense applications.
- How many communication peripherals does the STM32H747XGH6 support?
The device supports up to 35 communication peripherals.
- What is the maximum frequency of the internal oscillators?
The internal oscillators include a 64 MHz HSI, 48 MHz HSI48, 4 MHz CSI, and 32 kHz LSI.
- Does the STM32H747XGH6 support external memory interfaces?
Yes, it supports flexible external memory interfaces including SRAM, PSRAM, SDRAM/LPSDR SDRAM, and NOR/NAND Flash memory.
- What is the purpose of the ART Accelerator in the STM32H747XGH6?
The ART Accelerator is used for internal Flash memory and external memories, enhancing real-time performance.
- How does the STM32H747XGH6 support development and debugging?
The device can be used with the STLINK-V3E for embedded in-circuit debugging and programming, and it includes connectors for expansion shields or daughterboards.
