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    请帮忙解释一下这段话他想说明什么?
    [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]
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      [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] [/P][P]直译如下:[/P][P]当flash正在被编程时,对它的读或者写操作是被禁止的;[/P][P]如果在读或者擦除flash期间有CPU的操作请求,那么相应的代码必须要放到RAM中去执行;[/P][P]对flash的升级动作可以从flash或者RAM中启动[/P][P] [/P]
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