HD6432621 Hitachi, HD6432621 Datasheet - Page 124

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

80
Note: * External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
H'000000
H'FFB000
H'FFC000
H'FFEFC0
H'FFF800
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFFFFF
(advanced expanded modes
with on-chip ROM disabled)
Figure 3-1 Memory Map in Each Operating Mode in the H8S/2623 and H8S/2626
Modes 4 and 5
Internal I/O registers
Internal I/O registers
External address
Reserved area
On-chip RAM *
On-chip RAM *
External area
External area
space
H'000000
H'040000
H'FFB000
H'FFC000
H'FFEFC0
H'FFF800
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFFFFF
(advanced expanded mode
with on-chip ROM enabled)
Internal I/O registers
Internal I/O registers
Mode 6
External address
Reserved area
On-chip RAM *
On-chip RAM *
On-chip ROM
External area
External area
space
H'000000
H'03FFFF
H'FFC000
H'FFEFBF
H'FFF800
H'FFFF3F
H'FFFF60
H'FFFFC0
H'FFFFFF
(advanced single-chip mode)
Internal I/O registers
Internal I/O registers
Mode 7
On-chip ROM
On-chip RAM
On-chip RAM