Jtag 14 Pin Adapter - Segger J-Link User Manual

8.4.1.2 Connecting the isolator to target and emulator
The Emulator side of the Isolator is plugged directly into the Emulator. The target
side is connected to the target via a 20-pin flat cable. For more information about J-
Link JTAG isolator, please refer to UM08010 .
J-Link
J-Link
8.4.2

JTAG 14 pin adapter

An adapter is available to use J-Link / J-Trace with targets using this 14 pin 0.1" mat-
ing JTAG connector.
The following table shows the mapping between the 14 pin adapter and the standard
20 pin JTAG interface.
PIN
1 VTref
2 GND
3 nTRST
4 GND
5 TDI
6 GND
7 TMS
8 GND
9 TCK
10 GND
Table 8.10: Mapping between the JTAG 14 pin adapter and 20 pin JTAG interface
J-Link / J-Trace (UM08001)
Isolator
Flat cable
Signal
1
GND
3
GND
5
GND
7
GND
9
GND
© 2004-2009 SEGGER Microcontroller GmbH & Co. KG
Flat cable
Isolator
Target
Pin no. on 20 pin JTAG
161
Target
CPU
CPU