基地址 (0X60000000 + (0X4000000 * (SRAM_FSMC_NEX - 1)))

 

SRAM_FSMC_NEX  = 3
(0X60000000 + (0X4000000 * (SRAM_FSMC_NEX - 1))) 
= (0X60000000 + (0X4000000 * (3- 1))) 
=(0X60000000 + (0X4000000 * 2))
=(0X60000000 + (0X8000000))=0x68000000