« Reply #1 on: October 19, 2010, 07:25:43 pm »
You could look for the data sheet for a particular device and look for the connections to the following pins
# TDI (Test Data In)
# TDO (Test Data Out)
# TCK (Test Clock)
# TMS (Test Mode Select)
This should give you a good start.
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David
Hertfordshire,UK
University Electronics Technician, London PIC,CCS C,Arduino,Kicad, Altium Designer,LPKF S103,S62 Operator, Electronics instructor. Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime. Credited Kicad French to English translator.