its a funny old world
LINKS!!!1
https://blog.senr.io/blog/jtag-explained (this one is amazing, if you do nothing else, read this)
another walkthrough https://labs.portcullis.co.uk/blog/jtag-on-chip-debugging-extracting-passwords-from-memory/
https://github.com/mrjimenez/JTAG
https://github.com/sowbug/JTAGWhisperer
https://forum.arduino.cc/index.php?topic=440474.0
https://balau82.wordpress.com/2014/08/10/jtagduino-jtag-connection-using-arduino/
yeah, I just bought a buspirate :) Tuesday, 05. March 2019 08:24pm
bus pirate pins: