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(4) External memory area
256 MB are available for external memory area. The lower 64 MB can be used as program/data area and the
higher 192 MB as data area.
• When in single-chip mode 0:
• When in single-chip mode 1:
• When in ROMless modes 0 and 1: x0000000H to xFFFBFFFH
Access to the external memory area uses the chip-select signal assigned to each memory block (which is
carried out in the CS unit set by chip area selection control registers 0 and 1 (CSC0, CSC1)).
Note that, the internal ROM, internal RAM, on-chip peripheral I/O, and programmable peripheral I/O areas
cannot be accessed as external memory areas.
CHAPTER 3 CPU FUNCTION
x0100000H to xFFFBFFFH
x0000000H to x00FFFFFH, x0200000H to xFFFBFFFH
User's Manual U14492EJ3V0UD
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