Address Map In Each Operating Mode; Figure 3.1 Address Map (Mode 2) - Renesas H8S/2158 User Manual

Section 3 MCU Operating Modes
3.4

Address Map in Each Operating Mode

Figures 3.1 and 3.2 show the address map in each operating mode.
H'000000
H'03FFFF
H'07FFFF
H'080000
H'F7FFFF
H'F80000
H'FBFFFF
H'FC0000
H'FEFFFF
H'FF0000
H'FF07FF
H'FF0800
H'FF1FFF
H'FF2000
H'FF7FFF
H'FF8000
H'FFBFFF
H'FFC000
H'FFDFFF
H'FFE000
H'FFE07F
H'FFE080
H'FFEFFF
H'FFF000
H'FFF7FF
H'FFF800
H'FFFE3F
H'FFFE40
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
Notes: 1. These areas can be used as an external address space by clearing bit RAME in SYSCR to 0.
2. Since this LSI has 18 address output pins (max), the address space to be accessed is
overlapped in the area from H'00000 to H'3FFFF.
Rev. 3.00 Jan 25, 2006 page 62 of 872
REJ09B0286-0300
ROM: 256 kbytes, RAM: 10 kbytes
Mode 2 (EXPE = 1)
Advanced mode
Extended mode with
on-chip ROM
On-chip ROM
Reserved area
* 2
External address
space
256-kbyte
expansion area
* 2
External address
space
Reserved area
* 1 * 2
On-chip RAM
(6,144 bytes)
* 1 * 2
Reserved area
* 2
External address
space
CP/CF expansion
area
2
*
External address
space
* 1 * 2
On-chip RAM
(3,968 bytes)
* 2
External address
space
Internal I/O
registers 3
Internal I/O
registers 2
* 1 * 2
On-chip RAM
(128 bytes)
Internal I/O
registers 1

Figure 3.1 Address Map (Mode 2)

ROM: 256 kbytes, RAM: 10 kbytes
Mode 2 (EXPE = 0)
Advanced mode
Single-chip mode
H'000000
On-chip ROM
H'03FFFF
Reserved area
H'07FFFF
H'FF0000
Reserved area
H'FF07FF
H'FF0800
On-chip RAM
(6,144 bytes)
H'FF1FFF
H'FF2000
Reserved area
H'FF7FFF
H'FFE080
On-chip RAM
(3,968 bytes)
H'FFEFFF
H'FFF800
Internal I/O
registers 3
H'FFFE3F
H'FFFE40 Internal I/O
registers 2
H'FFFEFF
On-chip RAM
H'FFFF00
(128 bytes)
H'FFFF7F
Internal I/O
H'FFFF80
registers 1
H'FFFFFF