STMicroelectronics STM32H7A3IIT6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $41.46 | $41.46 |
| 15+ | $9.53 | $142.95 |
| 25+ | $9.32 | $233.00 |
| 50+ | $8.81 | $440.50 |
| 100+ | $7.77 | $777.00 |
| N+ | $1.55 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32H7 |
| Packaging | Tray | NULL |
| Core Processor | ARM® Cortex®-M7 |
| Core Size | 32-Bit Single-Core |
| Speed | 280MHz |
| Connectivity | CANbus, EBI/EMI, HDMI-CEC, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT |
| Number of I/O | 119 |
| Program Memory Size | 2MB (2M x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 1.4M x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Data Converters | A/D 20x16b; D/A 3x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 176-LQFP (24x24) |
| Package / Case | 176-LQFP |
| ROHS |
The STM32H7A3IIT6 is a high-performance microcontroller from STMicroelectronics, built on the ARM Cortex-M7 core. It operates at up to 280MHz and provides 2MB of flash memory and 1.4MB of RAM. This device is designed for applications requiring intensive computation and rich connectivity, such as industrial control, advanced HMI, and audio processing. Its wide voltage range and comprehensive peripheral set make it a versatile choice for complex embedded systems.
- High-Speed Processing: The 280MHz Cortex-M7 core delivers exceptional computational throughput for real-time tasks.
- Large Memory Capacity: 2MB flash and 1.4MB RAM support complex applications and data buffering without external memory.
- Rich Peripheral Set: Includes LCD controller, I2S, DMA, and multiple timers, reducing the need for external components.
- Flexible Power Options: Operates from 1.62V to 3.6V, accommodating various power supply architectures.
Industrial Control Systems
With a 280MHz Cortex-M7 core and 2MB flash, it handles complex motor control algorithms and real-time industrial protocols with ease.
Advanced Human-Machine Interfaces (HMI)
The integrated LCD controller and rich DMA channels enable smooth graphical user interfaces on high-resolution displays.
Audio Processing
The I2S interface and high-speed processing power support multi-channel audio applications, including digital signal processing for effects and filtering.
IoT Gateways
Its large memory and low-power modes make it suitable for edge computing devices that aggregate sensor data and communicate with cloud services.
Medical Devices
The reliable operation and comprehensive feature set support portable medical monitoring equipment requiring high accuracy and data logging.
Robotics
Multiple PWM channels and DMA facilitate precise control of servo motors and actuators in autonomous systems.
- Q: What is the maximum operating frequency of the STM32H7A3IIT6?
- A: The core runs at 280MHz, providing high-performance processing for demanding applications.
- Q: What is the supply voltage range?
- A: It operates from 1.62V to 3.6V, offering flexibility for various power supply designs.
- Q: How much memory does this MCU have?
- A: It includes 2MB of program flash and 1.4MB of RAM, suitable for complex applications.
- Q: What package is available?
- A: It comes in a 176-LQFP package, ideal for space-constrained PCB layouts.
- Q: What is the maximum operating frequency of the STM32H7A3IIT6?
- A: The core runs at 280MHz, providing high-performance processing for demanding applications.
- Q: What is the supply voltage range?
- A: It operates from 1.62V to 3.6V, offering flexibility for various power supply designs.
- Q: How much memory does this MCU have?
- A: It includes 2MB of program flash and 1.4MB of RAM, suitable for complex applications.
- Q: What package is available?
- A: It comes in a 176-LQFP package, ideal for space-constrained PCB layouts.

STM32H7A3IIT6.pdf