Datasheet

Section 3 MCU Operating Modes
Rev.6.00 Sep. 27, 2007 Page 88 of 1268
REJ09B0220-0600
Modes 4 and 5
(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. Access to the reserved areas H'060000 to H'07FFFF and H'FF7400 to H'FF7BFF is prohibited.
5. Do not access a reserved area.
Internal
I/O registers
On-chip ROM
On-chip ROM/
reserved area
*2 *5
External address
space
External address
space
External address
space
Internal
I/O registers
External address
space
Reseved area
*4
Reseved area
*4
Reseved area
*4
Reseved area
*4
Reseved area
*4
Reseved area
*4
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'FFFC00
H'FFFFFF
H'FF7400
H'FFFBFF
H'FF7C00
H'FF7400
H'FF7C00
H'FF7400
H'FF7C00
H'FFFFFF
H'FFFF08
H'FFFE50
H'FFFF07
H'FFFF28
H'FFFF28
On-chip ROM/
external address
space
*1
H'FFFE50
H'010000 H'010000
H'07FFFF
H'060000H'060000H'060000
H'080000 H'080000
H'FFFC00
H'FFFFFF
H'FFFF08
H'FFFF28
H'FFFE50
Figure 3.1 (b) H8S/2329B Memory Map in Each Operating Mode