Datasheet

Section 3 MCU Operating Modes
Rev.7.00 Feb. 14, 2007 page 84 of 1108
REJ09B0089-0700
Mode 1 User Boot Mode
(advanced single-chip
mode)
Mode 2 Boot Mode
(advanced expanded mode
with on-chip ROM enabled)
Mode 3 Boot Mode
(advanced single-chip
mode)
On-chip ROM/
reserved
area
*2 *4
On-chip ROM
Reserved area
*4
On-chip RAM
*3
Reserved area
*4
Reserved area
*4
On-chip RAM
*3
Reserved area
*4
Reserved area
*4
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 areas.
On-chip ROM
On-chip ROM/
reserved
area
*2 *4
External address
space
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'100000
H'080000
H'FF7400H'FF7400
H'0FFFFF
H'080000
H'FFFBFF
H'FFBC00
H'FFFFFF
H'FFFE50
H'FFFF07
H'FFFF28
H'FF7400
H'FFFBFF
H'FFBC00
H'FFFFFF
H'FFFE50
H'FFFF07
H'FFFF28
On-chip ROM
On-chip ROM/
external address
space
*1
H'010000
H'010000
H'0FFFFF
H'080000
H'FFFC00
H'FFBC00
H'FFFFFF
H'FFFF08
H'FFFF28
H'FFFE50
On-chip RAM
*3
Reserved area
*4
Internal
I/O registers
Internal
I/O registers
Figure 3.2 (a) H8S/2319C F-ZTAT Memory Map in Each Operating Mode