HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 152

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 3 MCU Operating Modes
Rev.7.00 Mar. 18, 2009 page 84 of 1136
REJ09B0109-0700
Notes: 1. This area is specified as the external address space by clearing the RAME bit in SYSCR to 0.
2. When EXPE = 1, external address space; when EXPE = 0, reserved area.
3. On-chip RAM is used for flash memory programming. The RAME bit in SYSCR should not be cleared to 0.
4. A reserved area should not be accessed.
H'FFFC00
H'FFFF00
H'FFFF20
H'FFFFFF
H'FF4000
H'FFC000
H'FFD000
H'000000
Figure 3.7 Memory Map for H8S/2374 and H8S/2374R (1)
on-chip ROM disabled)
(Expanded mode with
External address space
External address space
Internal I/O registers
Internal I/O registers
External address
external address
RAM: 32 kbytes
Reserved area *
Modes 1 and 2
On-chip RAM/
space *
space
1
4
H'FFD000
H'FFFC00
H'FF4000
H'FFC000
H'FFFF00
H'FFFF20
H'FFFFFF
H'000000
H'060000
H'080000
Internal I/O registers
Internal I/O registers
External address space/
External address space/
ROM: 384 kbytes
reserved area*
RAM: 32 kbytes
Reserved area *
External address
On-chip RAM *
Reserved area *
reserved area
reserved area
On-chip ROM
(Boot mode)
Mode 3
space/
*
*
2
2
*
*
2
3
4
4
*
4
4
4