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Bricked Nucleo-F411?

I wrote a very simple SysTick routine in C but I gave it a very small LOAD value of 6400 and now I'm not able to program the device.

int main(void)

    ... some stuff
	SysTick->LOAD = 6400;
	SysTick->VAL = 0;
	SysTick->CTRL = 5;
		if (SysTick->CTRL & 0x10000)
			GPIOA->ODR = 0x00000020;
			GPIOA->ODR = 0;

I downloaded the STM32 Flash Loader Demonstrator and tried using it to flash using RS232 but no luck.

Is there anything I can do to save the board?


For those that might run into this program, I resolved by downloading the;  STMCubeProgrammer  and putting a jumper from BOOT1 pin to VDD.


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