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6 years, 7 months ago.
frdm k64f in bootloader mode
my frdm k64f is always entering the bootloader mode whether or not i press the reset button , whenever i connect it with my laptop it enters the bootloading mode.
Could it be that the RESET pin high? Perhaps due to a shield that you plug on top of the K64F? Try connecting RESET to GND and see if the problem persists. If so, maybe a problem with the RESET button on the board... Try cutting the trace that goes from the button to the RESET pin.
posted by Jan Jongboom 26 Jul 2017