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tms470mf04207 Bootloader Flash擦除不成功

4207只能使用 F035API么? 

执行代码为

Erase_flag = Flash_Erase_Sector_B((UINT32*)START_ADDRESS,4,FLASH_CORE0,FLASH_SECT4,40,(FLASH_ARRAY_ST)FLASH_CONTROL_REGISTER_ADDRESS);

START_ADDRESS = 0x20000 

要擦除bank0 的Sector4 ,大小随便写的 

FLASH_CONTROL_REGISTER_ADDRESS = 0xFFF87000

执行这行代码后flash内存就全部刷成乱码了 如图

代码如下 ,能否看看是哪出现问题?

BlackBox_Bootloader_v0.1.rar