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STMicroelectronics NUCLEO-H7A3ZI-Q

Name: NUCLEO-H7A3ZI-Q
Brand: STMicroelectronics
SKU: NUCLEO-H7A3ZI-Q
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NUCLEO-H7A3ZI-Q

Manufacturer:: STMicroelectronics

Category:: Embedded MCU, DSP Evaluation Boards

Package:

Datasheet:: NUCLEO-H7A3ZI-Q.pdf

Description:: NUCLEO-144 STM32H7A3ZI EVAL BRD

Quantity:: RFQ Add To RFQ list

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Shipping:

Inventory:2,995

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Product details

Overview

NUCLEO-H7A3ZI-Q from STMicroelectronics is an STM32 Nucleo-144 development board built around the STM32H7A3ZIT6Q microcontroller - a dual-core Arm® Cortex®-M7/M4 MCU with 2 MB Flash, 1 MB RAM, LQFP144 package, and integrated SMPS for ultra-low-power operation. It supports USB OTG Full Speed via Micro-AB connector, features ST Zio and ARDUINO® Uno V3 expansion headers, and includes on-board ST-LINK/V3E debugger/programmer.

For engineers reviewing the NUCLEO-H7A3ZI-Q datasheet, NUCLEO-H7A3ZI-Q pinout, NUCLEO-H7A3ZI-Q application, or NUCLEO-H7A3ZI-Q equivalent, this board serves as a production-ready prototyping platform for high-performance embedded applications requiring real-time processing, secure boot, and efficient power management in industrial control, motor drives, and edge AI inference.

Technical Context

The NUCLEO-H7A3ZI-Q implements the STM32H7A3ZIT6Q - a dual-core 480 MHz Cortex-M7 + 240 MHz Cortex-M4 SoC with hardware crypto acceleration (AES-128/256, SHA-256, PKA), TCM tightly coupled memory, and dual-bank Flash for seamless firmware updates. Its internal SMPS replaces external DC-DC converters to reduce BOM count and improve efficiency in Run and Stop modes.

Board-level integration includes a 32.768 kHz crystal oscillator for RTC accuracy, three user LEDs, two push-buttons (user + reset), SWD debug interface, and flexible power options via ST-LINK USB VBUS, external supply, or USB Micro-AB. No external probe is required due to the embedded ST-LINK/V3E with mass storage, Virtual COM port, and debug capabilities.

Key Specifications

Parameter	Value and Actual Design Meaning
Target MCU	STM32H7A3ZIT6Q: dual-core Arm Cortex-M7/M4, 480/240 MHz, 2 MB Flash, 1 MB RAM
Package	LQFP144: standard 144-pin quad flat pack enabling easy soldering, debugging, and PCB routing
Power Architecture	Integrated SMPS: eliminates need for external DC-DC converter, reduces thermal load and board area
USB Interface	USB OTG Full Speed via Micro-AB connector: supports device/host roles and firmware flashing without additional hardware
Expansion Connectors	ST Zio + ARDUINO® Uno V3: provides full GPIO, ADC, PWM, SPI/I2C/UART access for shield compatibility
On-board Debugger	ST-LINK/V3E: enables programming, real-time debugging, and virtual COM port over single USB cable
Crypto Acceleration	Hardware AES-128/256, SHA-256, PKA: offloads encryption tasks from CPU, enabling secure OTA updates and TLS stack efficiency

Availability

NUCLEO-H7A3ZI-Q is available at Aetrix Electronics and suitable for industrial automation, motor control, and edge AI inference applications requiring stable component supply, rapid prototyping validation, and long-term design-in support.

Supply support for NUCLEO-H7A3ZI-Q includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, analog ICs, power management devices, and sensors for industrial, automotive, and consumer markets.

The STM32 Nucleo-144 series - including NUCLEO-H7A3ZI-Q - is engineered to accelerate evaluation and development of high-performance Arm Cortex-M microcontrollers, emphasizing out-of-box usability, IDE interoperability, and scalable hardware architecture for production-grade prototypes.

FAQ

Does NUCLEO-H7A3ZI-Q support Ethernet connectivity?

No. Unlike NUCLEO-H743ZI or NUCLEO-H755ZI-Q, the NUCLEO-H7A3ZI-Q does not include an Ethernet PHY or RJ45 connector. Its differentiating features focus on internal SMPS, USB OTG FS, and dual-core real-time performance - not wired LAN. For Ethernet-enabled H7 variants, refer to NUCLEO-H745ZI-Q or NUCLEO-H755ZI-Q.

What is the role of the internal SMPS on NUCLEO-H7A3ZI-Q?

The internal SMPS (Switched-Mode Power Supply) replaces external DC-DC converters by generating the core logic voltage (Vcore) directly from the 5 V USB input. This reduces external component count, improves power conversion efficiency in Run mode (down to 2.6 mA/MHz), and simplifies PCB layout for low-noise, high-efficiency designs.

Can NUCLEO-H7A3ZI-Q be used for secure firmware updates?

Yes. The onboard STM32H7A3ZIT6Q includes dedicated hardware accelerators for AES-128/256 encryption, SHA-256 hashing, and Public Key Acceleration (PKA). These enable authenticated, encrypted OTA updates with minimal CPU overhead and deterministic timing - critical for industrial and medical firmware integrity.

Is ST-LINK/V3E on NUCLEO-H7A3ZI-Q compatible with STM32CubeIDE and IAR Embedded Workbench?

Yes. ST-LINK/V3E is fully supported by STM32CubeIDE (native), IAR Embedded Workbench for Arm (v9.30+), and Keil MDK-ARM (v5.37+). It delivers JTAG/SWD debugging, flash programming, and Virtual COM port functionality without driver installation on Windows 10/11, macOS 12+, or Linux kernel 5.4+.

NUCLEO-H7A3ZI-Q Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STM32H7

Packaging:: Bulk

Product Status:: Active

Type:: MCU 32-Bit

Core Processor:: ARM® Cortex®-M7

Platform:: Nucleo-144

Utilized IC / Part:: STM32H7A3

Mounting Type:: Fixed

Contents:: Board(s)

NUCLEO-H7A3ZI-Q FAQ

1.How can I place an order for NUCLEO-H7A3ZI-Q through Aetrix?

Please submit a Request for Quotation (RFQ) for NUCLEO-H7A3ZI-Q on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for NUCLEO-H7A3ZI-Q reliable?

The price and inventory of NUCLEO-H7A3ZI-Q are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NUCLEO-H7A3ZI-Q is usually 5 days.

3.What payment methods are accepted for NUCLEO-H7A3ZI-Q?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NUCLEO-H7A3ZI-Q transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NUCLEO-H7A3ZI-Q?

NUCLEO-H7A3ZI-Q orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NUCLEO-H7A3ZI-Q order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for NUCLEO-H7A3ZI-Q?

For technical support, including NUCLEO-H7A3ZI-Q datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NUCLEO-H7A3ZI-Q requirements.

6.How does Aetrix verify that NUCLEO-H7A3ZI-Q is sourced from the original manufacturer or authorized distributors?

All NUCLEO-H7A3ZI-Q products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that NUCLEO-H7A3ZI-Q meets industry standards.

7.What is the process for return or replacement of NUCLEO-H7A3ZI-Q?

All NUCLEO-H7A3ZI-Q units undergo pre-shipment inspection (PSI). If there is an issue with NUCLEO-H7A3ZI-Q, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The NUCLEO-H7A3ZI-Q part is unused and in its original packaging.

Return procedure for NUCLEO-H7A3ZI-Q:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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