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Hi Alex, Thanks for the prompt reply. Is it possible to at least check whether the half-sync pattern is being detected on the non-Pro J-Trace? I am using a Freescale Kinetis K21F. A simple TWR board example worked, but our custom PCB only works at 48MHz. Thanks! Best, Charles
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I'm trying to use a J-Trace to view the instruction trace on a program. It appears to show the trace properly when stepping through code or very short runs between breakpoints. However, if I run and then halt the program, the instruction trace has no data. Is it necessary to use a J-Trace PRO? I had thought that the J-Trace would drop some instructions but still show the most recent instructions. Thanks for your help!
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Hi, I am using the JLINK_ARM_ETM_IsPresent() function from the SDK with a J-Trace on a K21F tower board. K21F supports ETM, but the function keeps returning 0, indicating that there is no ETM unit present. The Trace LED on the J-Trace is not on, even though Power, USB, and Target Power are on. Do I need to do additional setup on the device side? I am largely following mcuoneclipse.com/2016/11/05/tu…p-kinetis-arm-cortex-m4f/ as an example. I am using SEGGER J-Link Commander V6.00b and Firmware: J…