HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 156

• 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 88 of 1136
REJ09B0109-0700
H'FFFC00
H'FFFF00
H'FFFF20
H'FFFFFF
H'FF4000
H'FFC000
H'FFD000
H'000000
H'040000
H'080000
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. When EXPE = 1, external address space with RAME = 0, on-chip RAM with RAME = 1.
4. A reserved area should not be accessed.
5. The on-chip RAM is used to program the flash memory. The RAME bit in SYSCR should not be cleared to 0.
When EXPE = 0, on-chip RAM.
on-chip ROM enabled)
(Expanded mode with
External address space
External address space
Internal I/O registers
Internal I/O registers
ROM: 256 kbytes
RAM: 32 kbytes
Reserved area*
External address
external address
Reserved area *
On-chip ROM
On-chip RAM/
Figure 3.11 Memory Map for H8S/2372 and H8S/2372R (2)
Mode 4
space *
space
1
4
4
H'000000
H'040000
H'080000
H'FFFC00
H'FF4000
H'FFC000
H'FFD000
H'FFFF00
H'FFFF20
H'FFFFFF
Internal I/O registers
Internal I/O registers
External address space/
External address space/
ROM: 256 kbytes
(User boot mode)
reserved area*
RAM: 32 kbytes
Reserved area*
External address
Reserved area *
reserved area
reserved area
On-chip RAM
On-chip ROM
Mode 5
space/
*
*
2
2
*
*
2
*
4
4
*
4
5
4
4
H'000000
H'040000
H'080000
H'FFFC00
H'FF4000
H'FFC000
H'FFD000
H'FFFF00
H'FFFF20
H'FFFFFF
with on-chip ROM enabled)
(Single-chip activation
Internal I/O registers
Internal I/O registers
External address space/
External address space/
ROM: 256 kbytes
reserved area*
expanded mode,
RAM: 32 kbytes
Reserved area*
External address
external address
Reserved area *
reserved area
reserved area
On-chip RAM/
On-chip ROM
Mode 5
space/
space
*
*
*
3
2
2
*
*
2
4
*
4
4
4
4