HD64F2145 Datasheet, PDF (111/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

3.4 Address Map in Each Operating Mode
Figures 3.1 to 3.10 show the address map in each operating mode.
Mode 1
Normal mode
Extended mode with
on-chip ROM disabled
H'0000
Mode 2 (EXPE = 1)
Advanced mode
Extended mode with
on-chip ROM enabled
H'000000
Mode 2 (EXPE = 0)
Advanced mode
Single-chip mode
H'000000
External address
space
On-chip ROM
H'00FFFF
On-chip ROM
H'00FFFF
Reserved area
Reserved area
H'E080
On-chip RAM*
H'EFFF
H'F000
H'F7FF
H'F800
H'FE4F
H'FE50
H'FEFF
H'FF00
H'FF7F
H'FF80
H'FFFF
External address
space
Internal I/O
registers 3
Internal I/O
registers 2
On-chip RAM
(128 bytes)*
Internal I/O
registers 1
H'01FFFF
H'020000
H'FFE080
External address
space
On-chip RAM*
H'FFEFFF
H'FFF000
H'FFF7FF
H'FFF800
H'FFFE4F
H'FFFE50
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
External address
space
Internal I/O
registers 3
Internal I/O
registers 2
On-chip RAM
(128 bytes)*
Internal I/O
registers 1
H'01FFFF
H'FFE080
H'FFEFFF
On-chip RAM
H'FFF800
H'FFFE4F
H'FFFE50
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
Internal I/O
registers 3
Internal I/O
registers 2
On-chip RAM
(128 bytes)
Internal I/O
registers 1
Note: These areas can be used as an external address space by clearing bit RAME in SYSCR to 0.
Figure 3.1 Address Map for H8S/2140B and H8S/2160B (1)
Rev. 2.0, 08/02, page 71 of 788