[P]Reading or writing to flash memory while it is being programmed or erased is[/P][P]prohibited. If CPU execution is required during the write or erase, the code to[/P][P]be executed must be in RAM. Any flash update can be initiated from within[/P][P]flash memory or RAM.[/P][P]这个是430手册上的一段话。完全没看懂，尤其后面。[/P]