HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 105

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Notes:
H'FFEC00
H'FFFC00
H'FFFE40
H'FFFF08
H'FFFF28
H'FFFFFF
H'000000
(advanced expanded modes
with on-chip ROM disabled)
1.
2.
3.
4.
When the EAE bit in BCRL is set to 1, this area is external address space.
When the EAE bit is cleared to 0, it is on-chip ROM.
When the EAE bit in BCRL is set to 1, this area is external address space.
When the EAE bit is cleared to 0, it is a reserved area.
This area is reserved when the EAE bit in BCRL is set to 1, and on-chip ROM when the EAE
bit is cleared to 0.
External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
Figure 3.2 Memory Map in Each Operating Mode in the H8S/2344 (cont)
Modes 4 and 5
Internal I/O registers
Internal I/O registers
External address
On-chip RAM*
External address
External address
space
space
space
4
H'00FFFF
H'010000
H'017FFF
H'018000
H'020000
H'FFEC00
H'FFFC00
H'FFFE40
H'FFFF08
H'FFFF28
H'FFFFFF
H'000000
(advanced expanded mode
with on-chip ROM enabled)
Internal I/O registers
Internal I/O registers
external address
external address
External address
space
Reserved area/
External address
External address
On-chip RAM
On-chip ROM/
On-chip ROM
Mode 6
space
space
space
space
*1
*2
*4
H'01FFFF
H'FFEC00
H'FFFBFF
H'FFFE40
H'FFFF07
H'FFFF28
H'FFFFFF
H'00FFFF
H'010000
H'017FFF
H'018000
H'000000
(advanced single-chip mode)
Internal I/O registers
Internal I/O registers
On-chip ROM/
reserved area
Reserved area
On-chip ROM
On-chip RAM
Mode 7
*3
85