H8S-2633 Datasheet, PDF (171/1487 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

Section 3 MCU Operating Modes
Modes 4 and 5
(advanced expanded modes
with on-chip ROM disabled)
Mode 6
(advanced expanded mode
with on-chip ROM enabled)
Mode 7
(advanced single-chip mode)
H'000000
H'000000
H'000000
On-chip ROM
On-chip ROM
External address
space
H'020000
H'01FFFF
Reserved area
H'FFB000
H'FFD000
Reserved area
On-chip RAM*¹
H'FFEFC0 _{External address space}
H'FFF800
Internal I/O registers*²
H'FFFF40 _{External address space}
H'FFFF60 _{Internal I/O registers}
H'FFFFC0
H'FFFFFF
On-chip RAM*¹
H'040000
H'FFB000
H'FFD000
External address
space
Reserved area
On-chip RAM*¹
H'FFEFC0 _{External address space}
H'FFF800
Internal I/O registers*²
H'FFFF40 _{External address space}
H'FFFF60 _{Internal I/O registers}
H'FFFFC0
H'FFFFFF
On-chip RAM*¹
H'FFD000
H'FFEFBF
On-chip RAM
H'FFF800
Internal I/O registers*²
H'FFFF3F
H'FFFF60 _{Internal I/O registers}
H'FFFFC0
H'FFFFFF
On-chip RAM
Notes: 1. External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
2. Area H'FFF800 to H'FFFDAB is reserved, and must not be accessed.
Figure 3.3 Memory Map in Each Operating Mode in the H8S/2631
Rev. 5.00 Mar 28, 2005 page 109 of 1422
REJ09B0234-0500