h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 114

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 3 MCU Operating Modes
3.4
Figures 3.1 and 3.2 show the address map in each operating mode.
Rev. 3.00 Jan 25, 2006 page 62 of 872
REJ09B0286-0300
Address Map in Each Operating Mode
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
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
overlapped in the area from H'00000 to H'3FFFF.
ROM: 256 kbytes, RAM: 10 kbytes
Mode 2 (EXPE = 1)
Advanced mode
Extended mode with
on-chip ROM
CP/CF expansion
External address
External address
External address
External address
External address
Reserved area
expansion area
Reserved area
Reserved area
On-chip ROM
On-chip RAM
(6,144 bytes)
On-chip RAM
On-chip RAM
(3,968 bytes)
Figure 3.1 Address Map (Mode 2)
Internal I/O
Internal I/O
(128 bytes)
Internal I/O
256-kbyte
registers 3
registers 2
registers 1
space
space
space
space
space
area
*
*
*
*
1
*
1
1
*
1
*
*
*
2
*
2
2
*
*
*
2
2
2
2
2
2
H'000000
H'03FFFF
H'FF0000
H'FF07FF
H'FF0800
H'FF1FFF
H'FF2000
H'FF7FFF
H'FFE080
H'FFEFFF
H'FFF800
H'FFFE3F
H'FFFE40
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
H'07FFFF
ROM: 256 kbytes, RAM: 10 kbytes
Mode 2 (EXPE = 0)
Advanced mode
Single-chip mode
Reserved area
Reserved area
Reserved area
On-chip ROM
On-chip RAM
On-chip RAM
On-chip RAM
(6,144 bytes)
(3,968 bytes)
Internal I/O
Internal I/O
(128 bytes)
Internal I/O
registers 3
registers 2
registers 1