Hitachi H8S/2678 Series Reference Manual page 60

Mode 12 User program mode
(expanded mode
with on-chip ROM enabled)
H'000000
On-chip ROM
H'060000
External
address space
H'FFA000
On-chip RAM
H'FFC000
External address space
H'FFFC00
Internal I/O registers
H'FFFF00
External address space
H'FFFF20
Internal I/O registers
H'FFFFFF
Notes: 1. When EXPE = 1, external address space; when EXPE = 0, reserved area.
2. On-chip RAM is used for flash memory programming. Do not clear the RAME bit in SYSCR to 0.
Figure 2.4 H8S/2677 Memory Map in Each Operating Mode (4)
(external ROM activation
with on-chip ROM enabled)
H'000000
H'100000
H'160000
H'FFA000
*2
H'FFC000
External address space
H'FFFC00
H'FFFF00
External address space
H'FFFF20
H'FFFFFF
[F-ZTAT™ Version Only]
Modes 13 and 14
expanded modes
External
address space
On-chip ROM
External
address space
*2
On-chip RAM
Internal I/O registers
Internal I/O registers
Mode 15 User program mode
(single-chip activation
expanded mode
with on-chip ROM enabled)
H'000000
On-chip ROM
H'060000
External address
space/reserved area
H'FFA000
On-chip RAM
H'FFC000 External address
space/reserved area
H'FFFC00
Internal I/O registers
H'FFFF00
External address
space/reserved area
H'FFFF20
Internal I/O registers
H'FFFFFF
*1
*2
*1
*1
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