Bus Blaster v2 is an experimental, high-speed JTAG debugger from Dangerous Prototypes. Thanks to a reprogrammable buffer, a simple update over USB makes Bus Blaster v2 compatible with many different JTAG debugger types in the most popular open source software.

• Based on FT2232H with high-speed USB 2.0
• Buffered interface works with 3.3volt to 1.2volt targets
• Reprogrammable buffer is compatible with multiple debugger types
• Compatible with 'jtagkey', 'KT-link' programmer settings in OpenOCD,
• urJTAG, and more
• ships with JTAGkey compatible buffer image pre-programmed
• Should support Serial Wire Debug when available
• Mini-CPLD development board: self programmable, extra CPLD pins to header
• Open source (CC-BY-SA)

Each unit is tested with a real JTAG target before it ships.

• Bus Blaster Manual
• Bus Blaster v2 design overview
• Bus Blaster v2 forum
• CPLD buffer logic overview

This open source hardware and software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

If you encounter any problems when using this product, here is the forum from which you can get the technical support.