STM32H743ZI

Overview

The STM32H743ZI is a high-performance Arm Cortex-M7 microcontroller capable of reaching 480MHz, making it one of the fastest chips in the STM32 portfolio. It features a large 2MB Flash and 1MB RAM memory architecture with a rich set of peripherals including dual-mode Quad-SPI, Ethernet, and high-resolution analog converters. This device is designed for demanding real-time tasks that require significant computational throughput and extensive connectivity options.

Why Choose This Part

The STM32H743ZI provides an exceptional performance-to-power ratio by using three separate power domains and voltage scaling to optimize consumption. Its L1 cache and AXI interconnect minimize latency when accessing the 1024KB of RAM, while the 144-LQFP package provides 114 I/Os for complex system integration. The inclusion of 36 channels of 16-bit A/D converters makes it uniquely suited for high-precision instrumentation compared to standard MCUs.

Applications

Getting Started

The fastest way to evaluate this chip is with the NUCLEO-H743ZI2 development board, which includes an on-board ST-LINK debugger and provides access to all pins. Software development is supported by the STM32CubeH7 MCU Package, which includes the HAL, low-layer drivers, and extensive middleware for USB, Ethernet, and file systems. Engineers typically use STM32CubeIDE or Keil MDK for compilation and debugging via the SWD interface.

Dev Boards

Development boards and breakout modules featuring the STM32H743ZI or compatible chips — ready to use for prototyping.

Arduino GIGA R1 WiFi Arduino

The Arduino GIGA R1 WiFi combines the STM32H7 dual-core microcontroller with onboard Wi-Fi® and Bluetooth® 5.x connectiv

Digi-Key 939 in stock

STM32H743I-EVAL STMicroelectronics

A full-featured STM32H7 evaluation board for high-performance Cortex-M7 applications and rapid prototyping.

Digi-Key 7 in stock

STM32H743 Family

Comparing specs that differ across variants. The current part is highlighted.

Also Consider

STM32H743ZIT6 STMicroelectronics - This is the specific orderable 144-LQFP part number matching the provided datasheet and package specifications.

STM32F767ZIT6 STMicroelectronics - A pin-compatible Cortex-M7 alternative for applications that require lower power or do not need the full 480MHz performance of the H7 series.

NUCLEO-H743ZI2 STMicroelectronics - A ready-to-use development board containing the STM32H743ZI, ideal for rapid prototyping and firmware development.