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NUCLEO-U3C5ZI-Q

NUCLEO-U3C5ZI-Q

STMicroelectronics
Development Boards & Kits - ARM STM32 Nucleo-144 development board with STM32U3C5ZI MCU, SMPS, supports Arduino and ST morpho connectivity
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Overview

The NUCLEO-U3C5ZI-Q is an STMicroelectronics Nucleo-144 development board built around the STM32U3C5ZI microcontroller. It is intended for evaluating the MCU, prototyping firmware, and bringing up designs with access to Arduino Uno R3 and ST morpho expansion connectors. The board also includes an on-board ST-LINK debugger/programmer, which makes it practical for standalone development without extra hardware.

Why Choose This Part

This board gives engineers a ready-to-use STM32U3 platform with convenient debug access and broad connector support. The Nucleo-144 form factor makes it easier to integrate with shields and custom expansion hardware than smaller boards. For early firmware work, it reduces setup time because the programmer/debugger is already on the board.

Applications

Low-power embedded control
Evaluate the STM32U3 family for battery-powered or energy-conscious embedded designs.
Firmware bring-up and debug
Use the on-board debugger to flash, step through code, and validate peripherals quickly.
Arduino shield prototyping
Prototype with Arduino-compatible shields and libraries while still accessing STM32 features.
Expansion through ST morpho headers
Connect custom daughter cards and access a wider set of MCU signals for hardware bring-up.
Lab evaluation of MCU peripherals
Test GPIO, timers, ADCs, serial interfaces, and other on-chip peripherals before committing to a custom PCB.

Getting Started

Start with ST's STM32CubeIDE and STM32CubeMX, which are the most direct tools for configuring the MCU and generating a first project. The on-board ST-LINK interface lets you program and debug over USB without an external probe. For hardware expansion, use the Arduino headers for quick shield-based prototyping or the ST morpho headers when you need more direct MCU pin access.

Also Consider

NUCLEO-L552ZE-Q STMicroelectronics - A Nucleo-144 board for low-power STM32 evaluation with the same general expansion and debug convenience.
NUCLEO-F767ZI STMicroelectronics - A widely used Nucleo-144 board when you need a proven STM32 development platform with ample connectivity and ecosystem support.
NUCLEO-U575ZI-Q STMicroelectronics - Another STM32U5-based Nucleo-144 option if you want to compare a related low-power MCU platform in the same board family.