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Trace Synchronization Error on NUCLEO Board

JoBackMonkey
Associate III

I am currently using NUCLEO-WL55JC board. However, I could not initialize the logic analyzer.

The watch tab works well, but the analyzer window seems not working. And, I have an error at the bottom showing "Trace: No Synchronization". I set the core frequency (4 MHz) as the same as board's frequency (4 MHz) as you see in the watch tab.

I checked SWO pin, it is connected.

0693W00000LyFetQAF.png 

What is your advice?

1 ACCEPTED SOLUTION

Accepted Solutions
JoBackMonkey
Associate III

Solved! Inattention. "Solder Bridge 8" is labeled as "SB8", but I thought it was "Jumper 8".

"SB8" is located at the side of the CPU, I just soldered it. The trace works now!

View solution in original post

3 REPLIES 3
JoBackMonkey
Associate III

Any advice?

JoBackMonkey
Associate III

I used an external ST-LINK debugger, but still, I could not manage to get synchronization. Anyone help?

JoBackMonkey
Associate III

Solved! Inattention. "Solder Bridge 8" is labeled as "SB8", but I thought it was "Jumper 8".

"SB8" is located at the side of the CPU, I just soldered it. The trace works now!