HD6473258CP10 Datasheet, PDF (30/301 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Mode 1
Expand mode without on-chip ROM
Mode 2
Expand mode with on-chip ROM
H'0000
H'002F
H'0030
Vector table
H'0000
H'002F
H'0030
Vector table
H'0000
H'002F
H'0030
Mode 3
Single-chip mode
Vector table
External address
space
H'7FFF
H'8000
H'FB7F
H'FB80
H'FB7F
H'FB80
On-chip ROM,
32 Kbytes
H'7FFF
External address
space
H'FB80
On-chip ROM,
32 Kbytes
On-chip RAM*,
1 Kbyte
On-chip RAM*,
1 Kbyte
On-chip RAM,
1 Kbyte
H'FF7F
H'FF80
H'FF8F
H'FF90
H'FF9F
H'FFA0
H'FFAF
H'FFB0
H'FFFF
External address space
On-chip register field
External address space
On-chip register field
H'FF7F
H'FF80
H'FF8F
H'FF90
H'FF9F
H'FFA0
H'FFAF
H'FFB0
H'FFFF
External address space
H'FF7F
On-chip register field
External address space
H'FF90
H'FF9F
H'FFB0
On-chip register field
H'FFFF
On-chip register field
On-chip register field
* External memory can be accessed at these addresses when the RAME bit in the system control
register (SYSCR) is cleared to 0.
Figure 2-3. H8/325 Address Space Map
Fig. 2-3
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