Part of the code is lost in the program storage area of flash

[Leon_yang]

When the program runs, it will enter the hardware fault，because part of the code is lost in the program storage area of flash.

As shown in the figure, the left part is normal and the right part is abnormal,I don't know why.

thank you for help.

[Håkon Alseth]

Hi,

 

It looks like the flash is corrupted in the middle of a flash page. Was the chip content verified when initially programming the chip?

What is supposed to be present on those addresses, according to your specific firmware?

 

Kind regards,

Håkon