HD6432621 Hitachi, HD6432621 Datasheet - Page 126
![no-image](/images/manufacturer_photos/0/3/301/hitachi_sml.jpg)
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 126 of 1069
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82
Note: * External addresses can be accessed by clearing the RAME bit in SYSCR to 0.
H'000000
H'FFB000
H'FFE000
H'FFEFC0
H'FFF800
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFFFFF
(advanced expanded modes
with on-chip ROM disabled)
Figure 3-3 Memory Map in Each Operating Mode in the H8S/2621 and H8S/2624
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'010000
H'040000
H'FFB000
H'FFE000
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
Reserved area
On-chip RAM *
On-chip RAM *
On-chip ROM
External area
External area
space
H'000000
H'00FFFF
H'FFE000
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
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