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STM32H743ZI

STM32H743ZI

STMicroelectronics
Higher-memory/performance sibling in the H7 family commonly used for demanding real-time applications.
Active2,809 in stock
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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

Industrial Gateways
Utilizes integrated Ethernet, CANbus, and high-speed UARTs to bridge fieldbus protocols with enterprise networks.
High-Resolution Human Machine Interfaces (HMI)
Drives complex graphical displays using the dedicated LCD controller and large internal RAM for frame buffering.
Digital Signal Processing
Leverages the Cortex-M7 FPU and DSP instructions for real-time audio processing and sensor fusion via the SAI and SPDIF interfaces.
Motor Control and Power Conversion
Employs high-speed 16-bit ADCs and advanced PWM timers for precision control of complex power electronics.

Key Specifications

Speed 480MHz
RAM Size 1M x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG
Mounting Type Surface Mount
Number of I/O 114
Core Processor ARM Cortex-M7
Package / Case 144-LQFP
Data Converters A/D 36x16b; D/A 2x12b
Oscillator Type Internal
Program Memory Size 2MB (2M x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 144-LQFP (20x20)
Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.6V

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.

NUCLEO-H7A3ZI-Q STMicroelectronics
STM32H7A3 Nucleo-144 STM32H7 ARM® Cortex®-M7 MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 605 in stock
The Arduino GIGA R1 WiFi combines the STM32H7 dual-core microcontroller with onboard Wi-Fi® and Bluetooth® 5.x connectiv
Digi-Key 597 in stock
STM32H7B3I-EVAL STMicroelectronics
STM32H7B3LI STM32H7 ARM® Cortex®-M7 MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 11 in stock
STM32H735G-DK STMicroelectronics
STM32H735IG Discovery STM32H7 ARM® Cortex®-M7 MCU 32-Bit Embedded Evaluation Board
Digi-Key 488 in stock
NUCLEO-H755ZI-Q STMicroelectronics
STM32H755ZI Nucleo-144 STM32H7 ARM® Cortex®-M4, Cortex®-M7 MCU 32-Bit Embedded Evaluation Board
Part of STM32 family » STM32H743

STM32H743 Family

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

Part Number I/O Pins Core Processor Package ADC/DAC Stock
STM32H743ZI (this part) 114 ARM Cortex-M7 LQFP-144 A/D 36x16b; D/A 2x.. 2,809
STM32H743IIT6 140 ARM Cortex-M7 LQFP-176 A/D 36x16b; D/A 2x.. 2,038
STM32H743BIT6 168 ARM Cortex-M7 LQFP-208 A/D 36x16b; D/A 2x.. 2,212
STM32H743ZIT6TR Tape & Reel 114 ARM Cortex-M7F LQFP-144 A/D 28x16b; D/A 2x.. 235
STM32H743I-EVAL2 — ARM Cortex-M7 — — 1
STM32H743XIH6 168 ARM Cortex-M7 TFBGA-265 A/D 36x16b; D/A 2x.. 5
Also available as: STM32H743VIT6TR, STM32H743VIT6

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.

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