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STM32F4 programming

Question asked by Moamen Ayman on Oct 22, 2016
Latest reply on Oct 23, 2016 by Clive One
Hello, I'm trying to program STM32F407vgt6 chip using IAR and the code works fine but when I disconnect the power and connect it again the chip doesn't work like if the code in the flash memory was deleted and it need to be reprogrammed again to work. I connected Boot0 pin to the ground through 10kOhm resistor and configuring the clock to work at 168MHz from PLL sourced by HSI. could someone tell me what the problem may in?
and thanks in advance.