Datasheet

Section 3 MCU Operating Modes
Rev.7.00 Feb. 14, 2007 page 87 of 1108
REJ09B0089-0700
Mode 10 Boot Mode
(advanced expanded mode
with on-chip ROM enabled)
Mode 11 Boot Mode
(advanced single-chip
mode)
On-chip ROM On-chip ROM
External address
space
On-chip RAM
*3
On-chip RAM
*3
On-chip ROM/
reserved
area
*2 *4
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'040000
H'03FFFF
H'FFDC00
H'FFFBFF
H'FFFFFF
H'FFFE50
H'FFFF07
H'FFFF28
On-chip ROM/
external address
space
*1
H'010000 H'010000
H'FFDC00
H'FFFC00
H'FFFE50
H'FFFFFF
H'FFFF08
H'FFFF28
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. On-chip RAM is used for flash memory programming. Do not clear the RAME bit in
SYSCR to 0.
4. Do not access the reserved area.
Figure 3.3 (b) H8S/2318 Memory Map in Each Operating Mode
(F-ZTAT Version Only)