OK for anyone else looking at this, this is the pin out I used on a 5x2 connector.

OK understand, and thanks for your detailed reply.

Alan

Hmmm,

OK more info here:

https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/jtag-debugging/#jtag-debugging-selecting-jtag-adapter

https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/jtag-debugging/configure-wrover.html

- but this raises some more questions:

(1 ...

Nice - is it possible to detail your tag-connect pinout - the graphic is a little hard to read. Any other tips re your working set-up?

TIA, Alan

I see this thread re tag-connect:

https://www.esp32.com/viewtopic.php?f=12&t=8764&p=37922&hilit=tag+connect#p37922

- but can anyone share an exact and tested pinout / set-up for J-Link Segger / tag-connect (pref TC2030) / 2x5 pin?

My objective is development debug with the J-Link / 2x5 pin and ...