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STM32F405 - core won't run

Question asked by Vinci on Dec 7, 2014
Latest reply on Dec 7, 2014 by Vinci

I've recently developed my first little STM32F4 board which I just successfully connected to. The chip can be programmed, erased, red from and what not but no matter what I do, my own code won't run. So far I've used ST Utility to program the chip and afterwards I've tried to do a core and system reset from the menu.

Both resets result in a "Lockup" of the Core state?
Is this normal?
I've no idea what to try next...?

A high-res circuit diagram can be found here: