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Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex

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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 Waveshare USB Blaster V2 is a download cable for programming ALTERA FPGAs, CPLDs and Active Serial configuration devices. It connects the PC via USB 2.0 and the target device via JTAG, AS or PS interfaces.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/5989 5989 – Waveshare USB Blaster V2 Download Cable, compatible with ALTERA USB Blaster FPGA/CPLD programmer, high-speed FT245+CPLD solution]
* [https://shop.jw-tech.eu/p/WSAL5989 WSAL5989 – Waveshare USB Blaster V2 Download Cable, compatible with ALTERA USB Blaster FPGA/CPLD programmer, high-speed FT245+CPLD solution]

== Technical overview ==
* The cable is designed for ALTERA FPGA, CPLD and Active Serial configuration devices.
* It uses an FT245 + CPLD architecture (Option 1), which is closest to the original design.
* With a 24 MHz CPLD clock, the download speed matches the original performance.
* This solution is positioned as a high-speed alternative to cheaper options such as CY7C68013A or C8051F320/1.
* USB Blaster V2 differs from the original USB Blaster only in slightly larger dimensions and a slightly different PCB layout; functionality is identical.
* On Windows, a driver is required and is provided with the Quartus software.
* Linux support is available; refer to the user manual for driver installation details.
* To troubleshoot programming failures: check the connection between the downloader and the target board, re-plug the connector, then power on and retry writing.
* To generate a .pof file in Quartus: go to Assignments → Device → Device and Pin Options, select the Configuration tab, enable “Use Configuration Device” and choose the configuration chip.
* Select “Active Serial” as the configuration scheme.

'''Commands and examples – verify before use:'''
<syntaxhighlight lang="text">
Quartus: Assignments → Device → Device and Pin Options → Configuration tab → Use Configuration Device → select configuration chip → Configuration scheme: Active Serial
</syntaxhighlight>

== Notes and version constraints ==
* The exact Quartus version that is guaranteed to work is not explicitly stated; per the FAQ, using Quartus 11 resolves certain errors seen with older versions like Quartus 9.
* Manual driver installation on Windows requires action in Device Manager; exact steps are not detailed in the source text.
* Some error messages (e.g., "can't place multiple pins assigned to pin location Pin_101") reference external forum posts whose content is not available here.
* The full list of supported chipset compatibility is not enumerated in the source.
* Version-sensitive driver installation steps may require human confirmation depending on OS version.

== Source and revision record ==
* [https://www.waveshare.com/wiki/USB_Blaster_V2 USB Blaster V2 - Waveshare Wiki]
* Source revision: 73619
* Captured: 2026-08-29T08:50:43+00:00
* SHA-256: <code>18336115374d6928772bdbc2af7f87aa7e99dfee520d94eca6df4a5f64b931fa</code>

5989 – USB Blaster V2/en - Versionsgeschichte

JWTechPublisher: Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex