Input Indicator - Segger J-Link User Manual

5.2.2

Input indicator

Some newer J-Links such as the J-Link Pro/Ultra come with additional input/output
indicators. The input indicator is used to give the user some information about the
status of the target hardware.
5.2.2.1 Bi-color input indicator
Indicator status
GREEN
ORANGE
RED
Table 5.3: J-Link bi-color input indicator
5.2.3 Output indicator
Some newer J-Links such as the J-Link Pro/Ultra come with additional input/output
indicators. The output indicator is used to give the user some information about the
emulator-to-target connection.
5.2.3.1 Bi-color output indicator
Indicator status
OFF
GREEN
ORANGE
RED
Table 5.4: J-Link bi-color output indicator
J-Link / J-Trace (UM08001)
Target voltage could be measured. Target is connected.
Target voltage could be measured. RESET is pulled low
(active) on target side.
RESET is pulled low (active) on target side. If no target is
connected, reset will also be active on target side.
Target power supply via Pin 19 is not active.
Target power supply via Pin 19 is active.
Target power supply via Pin 19 is active. Emulator pulls
RESET low (active).
Emulator pulls RESET low (active).
© 2004-2017 SEGGER Microcontroller GmbH & Co. KG
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Meaning
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