xiuos/Ubiquitous/XiUOS/board/stm32f407zgt6/third_party_driver/extmem/Kconfig

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if BSP_USING_EXTMEM
config EXTSRAM_MAX_NUM
int
default 4
config BSP_USING_FSMC_BANK1_NORSRAM3
bool "config fsmc bank1 sram3"
default n
if BSP_USING_FSMC_BANK1_NORSRAM3
config BANK1_NORSRAM3_SIZE
hex "config sram3 chip size"
default 0x100000
config BANK1_NORSRAM3_DATA_WIDTH
int "config sram3 chip data width"
default 16
endif
endif