Datasheet

Rev.6.00 Oct.28.2004 page 63 of 1016
REJ09B0138-0600H
Modes 4 and 5*
4
(advanced expanded modes
with on-chip ROM disabled)
Mode 6
(advanced expanded mode
with on-chip ROM enabled)
Mode 7
(advanced single-chip
mode)
External address
space
On-chip ROM
On-chip RAM
*3
Notes: 1. External addresses when EAE = 1 in BCRL; on-chip ROM when EAE = 0.
2. Reserved area when EAE = 1 in BCRL; on-chip ROM when EAE = 0.
3. External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
4. Only modes 4 and 5 are provided in the H8S/2352.
Internal
I/O registers
On-chip ROM
On-chip ROM/
reserved area
*2
External address
space
External address
space
Internal
I/O registers
External address
space
On-chip RAM
*3
On-chip RAM
Internal
I/O registers
External address
space
Internal
I/O registers
Internal
I/O registers
Internal
I/O registers
External address
space
H'000000 H'000000 H'000000
H'020000
H'FFFC00
H'FFFFFF
H'FFDC00H'FFDC00H'FFDC00
H'FFFBFF
H'FFFFFF
H'FFFF08
H'FFFE40
H'FFFF07
H'FFFF28
H'FFFF28
On-chip ROM/
external address
space
*1
H'FFFE40
H'010000
H'00FFFF
H'010000
H'01FFFF
H'FFFC00
H'FFFFFF
H'FFFF08
H'FFFF28
H'FFFE40
Figure 3-1 Memory Map in Each Operating Mode (H8S/2357, H8S/2352) (1)