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Topic starter
27/06/2026 10:10 pm
When a target does not boot, the fastest way to get useful help is to attach the small set of facts that actually narrows the search space.
- Reset pin behavior and boot strap states
- Primary rail voltages during power-up
- Clock source present or absent
- Programmer output and flash result
- A small register snapshot if the core halts
A board that will not boot is rarely fixed by posting a full project zip with no measurements. Start with the electrical truth first.