Target Power Supply - Segger J-Link User Manual

PIN SIGNAL
TRACE-
16
DATA[1]
TRACE-
18
DATA[2]
TRACE-
20
DATA[3]
Table 16.10: 19-pin JTAG/SWD and Trace pinout
Pins 3, 5, 15, 17, 19 are GND pins connected to GND in J-Trace CM3. They should
also be connected to GND in the target system.

16.3.1 Target power supply

Pins 11 and 13 of the connector can be used to supply power to the target hardware.
Supply voltage is 5V, max. current is 300mA. The output current is monitored and
protected against overload and short-circuit.
Power can be controlled via the J-Link commander. The following commands are
available to control power:
Command
power on
power off
power on perm
power off perm
Table 16.11: Command List
J-Link / J-Trace (UM08001)
TYPE
Input Input Trace data pin 0.
Input Input Trace data pin 0.
Input Input Trace data pin 0.
Switch target power on
Switch target power off
Set target power supply default to "on"
Set target power supply default to "off"
Description
Explanation
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