r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 120

• 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 90 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 3.4 Memory Map in Each Operating Mode (ROM: 128-Kbyte Version):
H'000000
H'020000
H'080000
H'F00000
H'F02000
H'FE8000
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. Data flash is in planning.
when RAME = 1. While EXPE = 0, this area is specified as the on-chip RAM area.
on-chip ROM enabled)
External address space
(Expanded mode with
External address space
External address space
External address space
Internal I/O registers
Internal I/O registers
ROM: 128 Kbytes
RAM: 48 Kbytes
Reserved area*
External address
Reserved area *
Reserved area *
Reserved area *
On-chip ROM
On-chip RAM/
Mode 4
H8S/24565, H8S/24565R, and H8S/24545
space
4
4
4
4
*
1
H'000000
H'020000
H'080000
H'F00000
H'F02000
H'FE8000
H'FF0000
H'FFC000
H'FFC800
H'FFFA00
H'FFFF00
H'FFFF20
H'FFFFFF
(Single-chip activation expanded mode
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 *
Reserved area*
ROM: 128 Kbytes
Reserved area *
Reserved area *
RAM: 48 Kbytes
On-chip RAM/
On-chip ROM
Mode 7
2
2
2
2
4
*
*
4
4
*
*
4
4
4
4
*
3
5