Compact debug probe accelerates STM32 application development

25 July, 2019

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The STLINK-V3MINI probe combines the enhanced features of STLINK-V3SET with standalone simplicity for faster programming and ease of use, for an even more affordable price, at just $9.75.

The compact, portable probe can be used anywhere to upload and debug applications on STM32 microcontrollers. It leverages ST’s 14-pin STDC14 debug cable to support enhanced features including Virtual COM Port (VCP). VCP brings extra convenience and flexibility, such as easily observing runtime data on the host PC for faster, clearer debugging. Mass-storage support is another feature of STLINK-V3MINI that makes developers’ lives easier by enabling the uploading of files directly through the probe with a simple drag and drop to quickly trial new ideas or run various demo applications. Moreover, STLINK-V3MINI comes with reference files for 3D printing that let owners create their own customized casing for the probe. STLINK-V3MINI interacts smoothly with the STM32CubeProgrammer and is directly supported in popular commercial IDEs including Keil MDK-ARM, IAR EWARM, and GCC-based IDEs including free STM32CubeIDE from ST. In addition, ST provides free access to the probe’s low-level APIs to help integrate STLINK-V3MINI in custom test platforms.

Key Features

Stand-alone probe
Approximately 15 x 30 mm high-density integration PCB
Delivered with 1.27 mm pitch STDC14 debug connector and STDC14 to STDC14 flat cable
Self-powered through a USB connector (Micro-B)
USB 2.0 high-speed compatible interface
Direct firmware update support (DFU)

JTAG / serial wire debugging (SWD) specific features:
- 3 V to 3.6 V application voltage support and 5 V tolerant inputs
- JTAG communication support
- SWD and serial wire viewer (SWV) communication support
Virtual COM port (VCP) specific features:
- 3 V to 3.6 V application voltage support on the UART interface and 5 V tolerant inputs
- VCP frequency up to 15 MHz
Drag-and-drop Flash programming
Two color LEDs: communication, power
Includes STDC14 signals protection

STMicroelectronics – www.st.com

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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