HD6473258CP10 Datasheet, PDF (31/301 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
Vector table
H'0000
H'002F
Vector table
H'0000
H'002F
H'0030
H'0030
H'0030
On-chip ROM,
24 Kbytes
External address
space
H'5FFF
H'6000
H'7FFF
H'8000
Reserved ^*2
H'5FFF
Mode 3
Single-chip mode
Vector table
On-chip ROM,
24 Kbytes
External address
space
H'FB7F
H'FB80
On-chip RAM, ^*1
1 Kbyte
H'FB7F
H'FB80
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
On-chip RAM,^*1
1 Kbyte
H'FB80
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 RAM,
1 Kbyte
On-chip register field
On-chip register field
*1 This area can be used as external address space when the RAME bit of SYSCR is 0.
*2 Data read or write is not permitted in these modes.
Figure 2-4. H8/324 Address Space Map
Fig. 2-4
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