sing external XTAG4 with a custom XU316 board – design considerations

[gunesgrkn]

Hello,

I am currently using the XK-EVK-XU316 development board, and my experiments have been successful so far. Now, I would like to design my own custom board based on the XU316 processor used in this kit.

On the XK-EVK-XU316, the XTAG4 adapter is integrated into the board for debugging and flashing. However, in my custom design I don’t want to integrate the XTAG4 circuitry. Instead, my plan is to use an external XTAG4 adapter and connect it through the SYS2 interface to program and debug my board.

My questions are:

Is this approach possible?

If yes, what should I pay attention to during the design?

Are there any specific pin connections, level shifting, or hardware considerations required when using an external XTAG4?

On the XK-AUDIO-316-MC board, there is already an external XTAG connector available. If I replicate the same external XTAG connection directly to the processor on the XK-EVK-XU316, will it work?

Are there any important limitations or caveats I should be aware of before trying this?

Any guidance, schematics, or examples would be greatly appreciated.

Thanks in advance!