can I use 3.3V power supply for board CY8CKIT-043 and debugging with integrated debugger over USB with 5V power supply?
Power supply from debugger to board is disconnect.Can I destroy the board?
Welcome in the forum!
Can I destroy the board? Yes, easiest would be using a hammer. ;-)
For using 3.3V have a detailed look at the Prototyping Kit Guide chapter 4.2.3 regarding the removal of a diode.