HD6432345 Datasheet, PDF (104/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

Mode 1
(normal expanded mode
with on-chip ROM disabled)
Mode 2
(normal expanded mode
with on-chip ROM enabled)
Mode 3
(normal single-chip mode)
H'0000
H'0000
H'0000
External address
space
On-chip ROM
On-chip ROM
H'EC00
On-chip RAM*
H'FC00 External address
space
H'FE40 _{Internal I/O registers}
H'FF08 External address
space
H'FF28
H'FFFF
Internal I/O registers
H'DFFF
H'E000 _{External address}
space
H'EC00
On-chip RAM*
H'FC00 External address
space
H'FE40 _{Internal I/O registers}
H'FF08 External address
space
H'FF28
H'FFFF
Internal I/O registers
H'DFFF
H'EC00
H'FBFF
On-chip RAM
H'FE40 _{Internal I/O registers}
H'FF07
H'FF28
H'FFFF
Internal I/O registers
Note: * External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
Figure 3.2 Memory Map in Each Operating Mode in the H8S/2344
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