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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

INVERTER, HEX SCHMITT

http://www.interfacebus.com/Design_Connector_JTAG_Bus.html
page 374 - user.manual.lpc3180.01.pdf
Table 418. Debug pins on LPC3180/01
Pin name        Description                 Alternate function      I/O type        Reset state         Pin detail
JTAG1_TCK       ARM Jtag clock              -                       I               Input                -[1]
JTAG1_RTCK      ARM Jtag return clock       -                       O               Low                  -
JTAG1_NTRST     ARM Jtag reset              -                       I               Input                pullup[2]
JTAG1_TMS       ARM Jtag mode select        -                       I               Input                pullup
JTAG1_TDI       ARM Jtag data in            -                       I               Input                pullup
JTAG1_TDO       ARM Jtag data out           -                       O               Low                  -
Total pins: 6
[1]   This pin has a pullup on the LPC3180.
[2]   This pin has a pulldown on the LPC3180.
[3]   General note: Inputs from JTAG emulators may have strong drivers. It is recommended to add termination resistors on the PCB.