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AN4660 데이터시트(PDF) 13 Page - STMicroelectronics

부품명 AN4660
상세설명  Designers of STM32 microcontroller applications must have the possibility
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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AN4660 데이터시트(HTML) 13 Page - STMicroelectronics

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DocID027558 Rev 2
13/27
AN4660
Peripheral migration
26
2.5
Flexible memory controller (FMC)
Table 9 presents the FMC differences between STM32F42xxx/F43xxx and
STM32F74xxx/F75xxx.
Table 9. FMC differences between STM32F42xxx/F43xxx and STM32F74xxx/F75xxx
FMC
STM32F42xxx/F43xxx
STM32F74xxx/F75xxx
External memory interfaces
–SRAM
– NOR/NAND memories
– PSRAM
– Two banks of NAND Flash
memory with ECC hardware
– 16-bit PC Card compatible
devices
–SRAM
– NOR/NAND memories
– PSRAM
– NAND Flash memory with
ECC hardware
Data bus width
8-,16- or 32-bit
FMC Bank
memory mapping
Bank1
4×64MB
NOR/PSRAM/SRAM
NOR/PSRAM/SRAM
Bank2
4×64MB
NAND Flash memory
Reserved
Bank3
4×64MB
NAND Flash memory
Bank4
4×64MB
PC Card
Reserved
SDRAM bank1
4×64MB
SDRAM
SDRAM
SDRAM bank2
4×64MB
Memory mapping swap:
(SYSCFG_MEMRMP)
Bits 11:10 SWP_FMC[1:0] = 01b
NOR/PSRAM/SRAM
256MB
SDRAM bank1
256MB
NAND bank1
256MB
SDRAM bank2
256MB
SDRAM bank1
256MB
NAND bank3
256MB
SDRAM bank2
256MB
Reserved
Reserved
Reserved
NAND bank2
256MB
NOR/PSRAM/SRAM
256MB
PC card
256MB
Reserved



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