STM32H745ZIT6 STM32H745ZIT3 LQFP-144 MCU Chip

STM32H745ZIT6 / STM32H745ZIT3 LQFP-144 Microcontroller (MCU) Chip

The STM32H745ZIT6 / STM32H745ZIT3 is a high-performance dual-core ARM Cortex-M7 + Cortex-M4 microcontroller from the STM32H7 series, housed in a compact LQFP-144 package. Designed for demanding embedded applications, this MCU delivers exceptional processing power, generous memory, and a rich set of peripherals — making it an excellent choice for engineers, hobbyists, and electronics developers alike.

Made in Mainland China.

Key Features

• Dual-Core Architecture: ARM Cortex-M7 (up to 480 MHz) + ARM Cortex-M4 (up to 240 MHz) for parallel processing
• Package: LQFP-144 — industry-standard footprint for straightforward PCB integration
• Model Numbers: STM32H745ZIT6 & STM32H745ZIT3 (same die, different temperature grades)
• General Purpose Use: Suitable for a wide range of embedded control, signal processing, and connectivity applications
• International Standard Compliance: Meets global quality and protection standards
• High Peripheral Count: Includes ADCs, DACs, timers, UART, SPI, I2C, USB, Ethernet, and more
• Customizable: Available for custom configurations and procurement
• No High-Concern Chemicals: Compliant with hazardous substance restrictions

Specifications

What Can This MCU Be Used For?

The STM32H745 is a versatile workhorse suited for a broad spectrum of applications, including:

• Industrial automation and motor control
• Robotics and drone flight controllers
• Audio and digital signal processing (DSP)
• IoT gateway and connectivity hubs
• Medical-grade instrumentation and data acquisition
• Human-Machine Interface (HMI) displays
• High-speed data logging systems

Why Choose the STM32H745ZIT6 / ZIT3?

With its dual-core design, developers can assign real-time tasks to the Cortex-M4 core while running complex algorithms or OS-based tasks on the Cortex-M7 — all within a single chip. The standard LQFP-144 footprint means it's easy to prototype or integrate into existing PCB designs without major layout changes.

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Frequently Asked Questions

Q: What is the difference between the STM32H745ZIT6 and STM32H745ZIT3?

A: The STM32H745ZIT6 and STM32H745ZIT3 are essentially the same silicon die in the same LQFP-144 package. The difference lies in their operating temperature range: the ZIT6 is rated for the industrial temperature range (–40°C to +85°C), while the ZIT3 covers a standard commercial range. Both offer identical core features, peripherals, and pin-out.

Q: Is this STM32H745ZIT6 LQFP-144 chip compatible with STM32 development boards and IDEs?

A: Yes. The STM32H745ZIT6 / ZIT3 is fully supported by STMicroelectronics' official STM32CubeIDE, STM32CubeMX, and the HAL/LL driver libraries. It is also compatible with popular third-party toolchains such as Keil MDK, IAR EWARM, and open-source environments based on GCC. Standard JTAG/SWD debug interfaces are supported.

Q: What package type is this MCU, and how many pins does it have?

A: This microcontroller chip is housed in an LQFP-144 (Low-Profile Quad Flat Package) with 144 pins. This is a widely used industry-standard surface-mount package that is compatible with most professional and hobbyist PCB designs targeting high pin-count MCUs.

Q: Is the STM32H745ZIT6 suitable for real-time operating systems (RTOS)?

A: Absolutely. Its dual-core architecture makes the STM32H745 an excellent platform for RTOS deployments. The Cortex-M7 can run an RTOS such as FreeRTOS or Azure RTOS, while the Cortex-M4 handles dedicated real-time or signal-processing tasks simultaneously, providing efficient resource management and deterministic response times.