HD6432646 Hitachi, HD6432646 Datasheet - Page 120

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Note:
86
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFFFFF
H'000000
H'FFAFFF
H'FFB000
H'FFDFFF
H'FFE000
H'FFEFC0
H'FFF800
Figure 3-1 (1) Address Map in Each Operating Mode in the H8S/2646, H8S/2646R,
* External addresses can be accessed by clearing th RAME bit in SYSCR to 0.
(advanced expanded modes
with on-chip ROM disabled)
Internal I/O registers
Internal I/O registers
External address
External address
External address
Modes 4 and 5
Reserved area
On-chip RAM*
On-chip RAM*
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H'000000
H'01FFFF
H'020000
H'FFAFFF
H'FFB000
H'FFDFFF
H'FFE000
H'FFEFC0
H'FFF800
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFFFFF
H8S/2648, and H8S/2648R
(advanced expanded mode
with on-chip ROM enabled)
Internal I/O registers
Internal I/O registers
External address
External address
External address
Reserved area
On-chip RAM*
On-chip RAM*
On-chip ROM
Mode 6
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H'000000
H'01FFFF
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
On-chip RAM
On-chip RAM
On-chip ROM
Mode 7