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JTAG Connector Signal Assignment
SIGNAL PIN ROW* SIGNAL
A B
VCC 2 1 VTref
GND 4 3 /TRST
GND 6 5 TDI
GND 8 7 TMS
GND 10 9 TCK
GND 12 11 RTCK
GND 14 13 TDO
GND 16 15 /RESET
GND 18 17 NC
GND 20 19 NC
SIGNAL PIN ROW SIGNAL
A B
VCC 2 1 VTref
GND 4 3 /TRST
GND 6 5 TDI
GND 8 7 TMS
GND 10 9 TCK
GND 12 11 RTCK
GND 14 13 TDO
GND 16 15 /RESET
GND 18 17 NC
GND 20 19 NC
RTCK
TMS
/TRST
TDO
TCK
TDI
Standard 20-Pin JTAG Connector
VTref - 1 2 - Vsupply
nTRST - 3 4 - GND
TDI - 5 6 - GND
TMS - 7 8 - GND
TCK - 9 10 - GND
RTCK - 11 12 - GND
TDO - 13 14 - GND
nSRST - 15 16 - GND
DBGRQ - 17 18 - GND
DBGACK - 19 20 - GND
http://www.voti.nl/winkel/catalog.html?CON-LCONTRA-17x2