Indicators

In this section:

I-jet Trace has four LED indicators on the top, marked TRC, TPWR, DBG, and USB. The following indicators and their statuses are described in detail::

Indicator status	Description
Off	No trace.
Green	Collecting trace data and trace clock is present.
Red	Trace data collection is enabled but the trace clock is not present.
Orange blinking	Collecting SWO trace data.

Table 18. TRC indicator statuses

Indicator status	Description
Off	Power to target is not provided by I-jet Trace.
Green	Power to target is provided by I-jet Trace.
Yellow	Warning. Power to target is close to the overcurrent limit.
Red	Error. Overcurrent limit detected and power to target was switched off for protection.

Table 19. TPWR indicator statuses

Indicator status	Description
Off	vTref on JTAG header is too low.
Green	vTref is at or above 1.2 V.
Green blinking	Indicates JTAG/SWD/cJTAG communication activity from the target.

Table 20. DBG indicator statuses

Indicator status	Description
Off	No USB power.
Green steady	Initial state or no transfer.
Green blinking	USB transfers to or from I-jet Trace.
Red blinking	USB enumeration.
Red steady	USB error, broken cable, or hardware defect. Inspect the cable and/or try a different USB port.

Table 21. USB indicator statuses

IAR Debug Probes