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STLINK-V3MINI

STMicroelectronics
ST-Link V3 Mini — compact SWD debugger/programmer for STM32, USB-C, STDC14 connector.
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Overview

STLINK-V3MINI is STMicroelectronics compact SWD debugger/programmer for STM32 microcontrollers. It uses a USB-C host connection and provides an STDC14 target connector for hooking to development boards or custom targets. The module is intended for in-circuit programming and on-chip debugging of STM32-based designs.

Why Choose This Part

Official ST tool with direct support in ST development tools and drivers, ensuring straightforward integration with STM32 toolchains. Compact USB-C form factor and an STDC14 target connector make it easy to connect to Nucleo/Discovery boards and custom headers without bulky adapters. Being an ST-branded debugger/programmer reduces compatibility surprises compared with third-party dongles.

Applications

Flashing firmware
Program STM32 application firmware over the STDC14 interface from a host PC via USB-C.
On-chip debugging
Perform source-level debugging and break/watch analysis using the SWD connection to the target MCU.
Prototype and lab use
Small form factor makes it convenient for bench work, development boards, and classroom labs.
Production or field updates
Use as a compact programming tool for batch firmware updates or in-field service programming where an ST-Link interface is required.

Getting Started

Connect the STLINK-V3MINI to your host PC with a USB-C cable and to the target board using the STDC14 cable or adapter. Install ST's device drivers and use STM32CubeIDE or ST-LINK utilities for flashing and debugging; ST provides downloads and firmware updates on its website. Check your board pinout and wiring for the STDC14 connector before powering the target to avoid connection mistakes.

Part of ST-LINK family » STLINK-V3

STLINK-V3 Family

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

Part Number Contents Utilized IC / Part Stock
STLINK-V3MINI (this part) — — —
STLINK-V3MODS Board(s) STM32 3,948
STLINK-V3SET Board(s), Cable(s) STM8, STM32 134
STLINK-V3MINIE Board(s), Cable(s) STM32 729

Also Consider

STLINK-V3SET STMicroelectronics - Full-featured V3 set from ST with additional connectors and accessories for bench use.
ST-LINK/V2 STMicroelectronics - Widely used legacy ST-Link debugger/programmer for many STM32 development workflows.
J-Link EDU Mini SEGSEGGER - Low-cost J-Link alternative with broad IDE and toolchain support for debugging and programming.

Categories

Test & Debug Tools > JTAG/SWD Debuggers Microcontrollers > STMicroelectronics Education & Prototyping > Breadboard & Prototyping