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