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怎么给没用的FLASH写FFFF?

UL认证的人说要给没有使用的FLASH写FFFF,TI烧入程序时,擦FLASH时,不就是给FLASH填FFFF吗?

还有请教一下,怎么给固定的Flash地址写值?

比如我要给FLASH地址0x3F6005,写10,怎么办?

  • 在CMD文件中就可以填充0xFFFF:

    MEMORY
    {
    PAGE 0 :
       FLASHE    : origin  = 0x3E800, length = 0x004000, fill = 0xFFFF

      FLASH D   : origin  = 0x3EC00, length = 0x004000, fill = 0xFFFF

    }