Bus Blaster v4

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Bus Blaster v4 is an experimental, high-speed JTAG debugger from Dangerous Prototypes.

Thanks to a reprogrammable buffer, a simple update over USB makes Bus Blaster 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 1.8volt 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)

• Bus Blaster Manual

• Bus Blaster design overview

• Bus Blaster forum

• CPLD buffer logic overview

• V4 uses a larger CPLD than previous versions. It can now support the SWV feature of Cortex microcontroller for advance debugging when software support is available

• ŸSWV is little used and not currently supported in software, most users will be better off with Bus Blaster v3 available here

• Fitted in a DP9056 (90×56 mm) standard PCB

• Added series resistors to input and output pins to protect against damage and noise

Updates in v4:

Each unit is tested before it ships.

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.

Techsupport

This product is designed by Dangerous, If you encounter any problems when using this product, please request technical support in the forum.