Overview
The STM32H743AII6 is a high-performance microcontroller from STMicroelectronics, based on the Arm Cortex-M7 32-bit RISC core. This MCU operates at up to 480 MHz and features a double-precision floating point unit (FPU), supporting Arm double-precision and single-precision data-processing instructions. It is designed for applications requiring high computational power, advanced security features, and a wide range of peripherals and interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 32-bit Arm Cortex-M7 with double-precision FPU and L1 cache |
| Frequency | Up to 480 MHz |
| Flash Memory | Up to 2 Mbytes with read-while-write support |
| RAM | Up to 1 Mbyte (192 Kbytes of TCM RAM, up to 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| External Memory Interface | Dual mode Quad-SPI memory interface up to 133 MHz, flexible external memory controller with up to 32-bit data bus |
| Power Supply | 1.62 to 3.6 V application supply and I/Os |
| Power Domains | 3 separate power domains (D1, D2, D3) which can be independently clock-gated or switched off |
| Low-Power Modes | Sleep, Stop, Standby, and VBAT supporting battery charging |
| I/Os | Up to 168 I/O ports with interrupt capability |
| Communication Interfaces | Multiple interfaces including USB OTG, Ethernet MAC, CAN, SPI, I2C, USART, etc. |
| Analog Peripherals | 3 ADCs, 2 DACs, 2 ultra-low power comparators, 2 operational amplifiers, etc. |
| Timers | 22 timers and watchdogs including high-resolution timer, motor control timers, and low-power timers |
| Package | UFBGA 169 7x7x0.6 P 0.5 mm |
Key Features
- High-Performance Core: 32-bit Arm Cortex-M7 core with double-precision FPU and L1 cache, operating at up to 480 MHz.
- Advanced Security: Memory protection unit (MPU), ROP, PC-ROP, and active tamper detection.
- Extensive Memory: Up to 2 Mbytes of flash memory and up to 1 Mbyte of RAM.
- Flexible External Memory Interface: Dual mode Quad-SPI memory interface and flexible external memory controller.
- Low-Power Modes: Sleep, Stop, Standby, and VBAT modes with battery charging capability.
- Rich Peripherals: Multiple communication interfaces, analog peripherals, and timers.
- Graphics and Audio: LCD-TFT controller, Chrom-ART graphical hardware accelerator, and hardware JPEG codec.
- Debug and Trace: SWD & JTAG interfaces, 4-Kbyte embedded trace buffer, and true random number generators.
Applications
- Industrial Automation: High-performance control systems, motor control, and industrial communication.
- Medical Devices: Advanced medical equipment requiring high computational power and precision.
- Aerospace and Defense: Secure and high-reliability applications in aerospace and defense sectors.
- Consumer Electronics: High-end consumer devices such as smart home appliances and multimedia systems.
- Automotive Systems: Advanced driver-assistance systems (ADAS), infotainment, and vehicle control systems.
Q & A
- What is the core architecture of the STM32H743AII6?
The STM32H743AII6 is based on the 32-bit Arm Cortex-M7 core with a double-precision floating point unit (FPU) and L1 cache.
- What is the maximum clock frequency of the STM32H743AII6?
The maximum clock frequency is up to 480 MHz.
- How much flash memory and RAM does the STM32H743AII6 have?
It has up to 2 Mbytes of flash memory and up to 1 Mbyte of RAM.
- What are the power supply and voltage ranges for the STM32H743AII6?
The application supply and I/Os range from 1.62 to 3.6 V.
- What are the low-power modes supported by the STM32H743AII6?
The device supports Sleep, Stop, Standby, and VBAT modes with battery charging capability.
- What types of communication interfaces are available on the STM32H743AII6?
Multiple interfaces including USB OTG, Ethernet MAC, CAN, SPI, I2C, USART, etc.
- What analog peripherals are included in the STM32H743AII6?
3 ADCs, 2 DACs, 2 ultra-low power comparators, 2 operational amplifiers, etc.
- How many timers and watchdogs does the STM32H743AII6 have?
22 timers and watchdogs including high-resolution timer, motor control timers, and low-power timers.
- What is the package type of the STM32H743AII6?
The package type is UFBGA 169 7x7x0.6 P 0.5 mm.
- What are some typical applications for the STM32H743AII6?
Industrial automation, medical devices, aerospace and defense, consumer electronics, and automotive systems.
- Does the STM32H743AII6 support debug and trace features?
Yes, it supports SWD & JTAG interfaces, a 4-Kbyte embedded trace buffer, and true random number generators.
