Is it possible to use Virtual JTAG and SignalTap at the same time? - Is it possible to use Virtual JTAG and SignalTap at the same time? I've added VJTAG to my project so I can send commands to my FPGA from the command line using a TCL script - commands such as "write to address x with value y" or "get value from address x". This is great but I need to be able to see what is happening inside with SignalTap. Is it possible to use SignalTap in conjunction with a TCL script and VJTAG? At the moment it seems as though I can only run one or the other. Replies: Re: Is it possible to use Virtual JTAG and SignalTap at the same time? @SyafieqS I would say "no", it is not possible. I managed to get around this by: 1) using quartus_stp.exe/TCL scripts to pre-load test parameters 2) stop quartus_stp.exe 3) connecting SignalTap 4) execute test by pressing a button 5) viewing SignalTap output upon triggering Replies: Re: Is it possible to use Virtual JTAG and SignalTap at the same time? Paul, May I know if there is any update? I would say it is not possible since both are On-Chip Debugging Tool and circumstance use is different from one to another