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External Memory

In addition to the Flash and RAM internal to the STM32F207IG (or STM32F407IG) MCU, the MCBSTM32F200/400 board contains the following external memory:

  • 2 MB External SRAM located at IC13. Note: If jumpers J10, J11 and J12 are configured for ETM Trace, only 1 MB of this SRAM is accessible.
  • 8 MB External NOR Flash located at IC16. Note: If jumpers J10, J11 and J12 are configured for ETM Trace, only 1 MB of this Flash is accessible.
  • 512 MB External NAND Flash located at IC14 (on the back side of the board).
  • 8 KB EEPROM with NFC (wireless near field communication) interface located at IC15. The NFC antenna is located at L10.

MCBSTM32F200 Board External Memory

Chip Select and Addressing for External Memory and LCD

The table below identifies the chip select, pin and address area for the external memory and LCD devices on the MCBSTM32F200 board.

Device Chip Select / Pin Address Area
NOR-Flash FSMC_NE1 / PD7 0x60000000 - 0x607FFFFF
NAND-Flash FSMC_NCE3 / PG9 Not directly mapped to a memory area.
SRAM FSMC_NE3 / PG10 0x68000000 - 0x681FFFFF
LCD FSMC_NE4 / PG12 0x6C000000 - 0x6C000003
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