I am currently using the STM32F103VGT6 MCU controller, which has an internal flash 1MB divided into two banks, each with a size of 512KB. I have written a code that is 600KB in size. After writing to the entirety of Bank 1, I attempted to write to Ba...

i'm getting -nan(0xfffffe0000000) value while reading from flash. why i'm getting this value and what is it?

I declared some test variable like,unsigned short *testvar= (unsigned short *)0x20020074;unsigned char *testvar1[4] = {(unsigned char *)0x20020076,(unsigned char *)0x20020077,                                                  (unsigned char *)0x200200...