Renesas H8S/2319 series Hardware Manual page 113

Modes 4 and 5
(advanced expanded modes
with on-chip ROM disabled)
H'000000
External address
space
H'FFDC00
On-chip RAM
External address
H'FFFC00
space
H'FFFE50
Internal
I/O registers
H'FFFF08
External address
space
H'FFFF28
Internal
I/O registers
H'FFFFFF
Notes: 1. Only modes 4 and 5 are provided in the ROMless version (H8S/2312S).
2. External addresses when EAE = 1 in BCRL; on-chip ROM when EAE = 0.
3. Reserved area when EAE = 1 in BCRL; on-chip ROM when EAE = 0.
4. External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
5. Do not access the reserved area.
Figure 3-3 (a) H8S/2318 and H8S/2312S Memory Map in Each Operating Mode
*1
(advanced expanded mode
with on-chip ROM enabled)
H'000000
H'010000
H'040000
H'FFDC00
*4
H'FFFC00
H'FFFE50
H'FFFF08
H'FFFF28
H'FFFFFF
Mode 6
On-chip ROM
On-chip ROM/
external address
*2
space
External address
space
*4
On-chip RAM
External address
space
Internal
I/O registers
External address
space
Internal
I/O registers
Rev. 5.00, 12/03, page 83 of 1088
Mode 7
(advanced single-chip
mode)
H'000000
On-chip ROM
H'010000
On-chip ROM/
reserved
*3 *5
area
H'03FFFF
H'FFDC00
On-chip RAM
H'FFFBFF
H'FFFE50
Internal
I/O registers
H'FFFF07
H'FFFF28
Internal
I/O registers
H'FFFFFF