Quelltext der Seite 5822 – ST-LINK – V2 (CN)/en

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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
The ST-LINK/V2 (CN) is a USB-based in-circuit debugger and programmer that communicates with STM8 and STM32 microcontrollers via the SWIM and JTAG/SWD interfaces. It is supplied as an original ST product; no CD-ROM is included, as drivers and software must be downloaded online.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/5822 5822 – ST-LINK/V2 (CN), STM Programmers &amp; Debuggers]
* [https://shop.jw-tech.eu/p/WSAL5822 WSAL5822 – ST-LINK/V2 (CN), STM Programmers &amp; Debuggers]

== Technical overview ==
* Supported interfaces: SWIM and JTAG/SWD
* Brand: ST; Product type: Programmers &amp; Debuggers
* No CD-ROM included; drivers and STVP software are downloaded online
* When designing a download circuit, at least one of the two pins must be powered from an external 3.3 V input
* For STM8 without external target-board power, the downloader can supply power by shorting two points (caution: risk of damage and warranty loss)
* Missing target-board detection is often caused by missing power or poor USB contact
* Keil version must be at least 5.25 to avoid download errors
* Firmware issues can cause USB communication errors; upgrade via the ST-Link upgrade utility

== Notes and version constraints ==
* Shorting method for target power may damage the downloader and target board and void the ST warranty – use with caution.
* No official firmware upgrade tool name or exact commands present in source text; precise steps require human confirmation.
* Version sensitivity: Keil must be at least version 5.25; older versions cause errors.
* USB recognition issues often depend on cable, port, or firmware; multiple possible causes.

== Source and revision record ==
* [https://www.waveshare.com/wiki/ST-LINK/V2_(CN) ST-LINK/V2 (CN) - Waveshare Wiki]
* Source revision: 67963
* Captured: 2026-08-29T08:47:12+00:00
* SHA-256: <code>db88deefa2f466bf52bf94ba4f2a6b5fd44128ae972ab5c489a409c44a7895a7</code>