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251 Physical interfaces A device can consist of a single or two identical CFI compliant flash interfaces with a 16-bit interface. The most common is a CFI compliant NOR flash chip with a 16-bit interface. D0...D15 NOR flash Address bus CPU Beside this solution, µC/FS supports two CFI compliant NOR flash chip with a 16 bit interface which are connected to the same data bus. D0...D15 NOR flash Address bus CPU NOR flash D16...D31 The µC/FS NOR flash driver supports both options. User's & reference manual for μC/FS © 2004-2007 Micrium