STMicroelectronics STM32H7A3ZIT6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32H7
Packaging Tray |
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 97
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 144-LQFP (20x20)
Package / Case 144-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32H7A3ZIT6 from STMicroelectronics is a high-performance ARM Cortex-M7 microcontroller. It operates at 280MHz with 2MB flash and 1.4MB SRAM. Features include LCD controller, I2S, DMA, PWM, and WDT. With a supply range of 1.62V to 3.6V and a 144-LQFP package, it is designed for advanced embedded applications requiring large memory and low power.

  • Large RAM: 1.4MB SRAM enables complex data buffering and processing.
  • High performance: 280MHz Cortex-M7 for demanding tasks.
  • Low voltage operation: 1.62V minimum for energy-efficient designs.
  • Rich peripherals: LCD, I2S, and PWM for versatile applications.

Edge AI Applications

The 280MHz Cortex-M7 with 1.4MB RAM supports lightweight neural networks.

High-Resolution Displays

LCD controller and large RAM enable smooth graphical user interfaces.

Data Acquisition Systems

High-speed processing and DMA handle multi-channel sensor data efficiently.

Smart Energy Management

Low voltage operation (1.62V) and rich peripherals suit power monitoring.

Industrial Robotics

Large memory and PWM capabilities support complex motion planning.

Secure IoT Devices

2MB flash allows for secure boot and encrypted communication stacks.

Q: What is the core speed?
A: The STM32H7A3ZIT6 runs at 280MHz.
Q: How much RAM does it have?
A: It has 1.4MB of SRAM.
Q: What is the flash size?
A: It includes 2MB of flash memory.
Q: What package is used?
A: It comes in a 144-LQFP package.
Base Product Number : STM32H7A3ZIT6
1.4MB RAM 144-LQFP 280MHz 2MB flash 32-bit MCU ARM Cortex-M7 DMA LCD low power
Q: What is the core speed?
A: The STM32H7A3ZIT6 runs at 280MHz.
Q: How much RAM does it have?
A: It has 1.4MB of SRAM.
Q: What is the flash size?
A: It includes 2MB of flash memory.
Q: What package is used?
A: It comes in a 144-LQFP package.