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Genesys ZU-3EG JTAG chain access - inserting a debugger into the USB JTAG chain, or using DAP


Mark Samarin

Question

We have a Genesys ZU-3EG test system connected with the USB JTAG port to a host PC that we run Python test scripts using XSCT commands.  The scripts program the R5, A53, and PL then do standard breakpoint and peek type operations.

1) I would like to insert a debugger such as the XILINX Platform cable USB into the JTAG chain and debug R5/A53 code interactively with the test scripts.   If I connect my debugger either to the J28 JTAG port or insert it on the FMC module (which is then connected to J28) will I be able to debug simultaneously to the XSCT commands coming in via USB? 

2) Or, could I connect to the DAP instead?  (I am not sure of how to connect to the DAP though)

Thanks and Regards,

Mark

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