r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 118

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 3 MCU Operating Modes
Rev. 1.00 Sep. 19, 2008 Page 88 of 1342
REJ09B0467-0100
Notes: 1. This area is specified as the external address space by clearing the RAME bit in SYSCR to 0.
Figure 3.2 Memory Map in Each Operating Mode (ROM: 256-Kbyte Version):
H'000000
H'040000
H'080000
H'F00000
H'F02000
H'FE8000
H'FEC000
H'FF0000
H'FFC000
H'FFC800
H'FFFA00
H'FFFF00
H'FFFF20
H'FFFFFF
2. This area is specified as the external address space when EXPE = 1 and the reserved area when EXPE = 0.
3. While EXPE = 1, this area is specified as the external address space when RAME = 0 and the on-chip RAM area
4. A reserved area should not be accessed.
5. Area from H'FEC000 to H'FEFFFF in the H8S/24568, H8S/24568R, and H8S/24548 Groups is reserved and
6. 64-Kbyte version (H8S/24569, H8S/24569R, and H8S/24549) is under development.
7. Data flash is in planning.
when RAME = 1. While EXPE = 0, this area is specified as the on-chip RAM area.
should not be accessed.
RAM: 64 Kbytes*
On-chip RAM/External address space/
on-chip ROM enabled)
(Expanded mode with
External address space
External address space
External address space
H8S/24569, H8S/24569R, H8S/24549, and H8S/24548
Internal I/O registers
Internal I/O registers
ROM: 256 Kbytes
External address space*
Reserved area*4
External address
Reserved area *4
Reserved area *
Reserved area*
Reserved area *
On-chip ROM
On-chip RAM/
Mode 4
space
6
/ 48 Kbytes
1
*
5
4
4
1
H'000000
H'040000
H'080000
H'F00000
H'F02000
H'FE8000
H'FEC000
H'FF0000
H'FFC000
H'FFC800
H'FFFA00
H'FFFF00
H'FFFF20
H'FFFFFF
(Single-chip activation expanded mode
On-chip RAM/External address space/
RAM: 64 Kbytes*
with on-chip ROM enabled)
Data flash area 8 Kbytes *
External address space/
External address space/
External address space/
External address space/
External address space*
Internal I/O registers
Internal I/O registers
Reserved area *
Reserved area *
Reserved area *
Reserved area *
ROM: 256 Kbytes
Reserved area *
Reserved area *
Reserved area*
Reserved area*4
On-chip ROM
On-chip RAM/
Mode 7
6
/ 48 Kbytes
3
*
2
2
2
2
5
*
*
4
4
*
*
4
4
4
4
3
7