HD6473228P10V Datasheet, PDF (32/301 Pages) Renesas Technology Corp – Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp

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,
16 Kbytes
H'3FFF
H'4000
H'3FFF
Mode 3
Single-chip mode
Vector table
On-chip ROM,
16 Kbytes
External address
space
External address
space
H'FD7F
H'FD80
On-chip RAM*,
512 bytes
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'FD7F
H'FD80
H'FF7F
H'FF80
H'FF8F
H'FF90
H'FF9F
H'FFA0
H'FFAF
H'FFB0
H'FFFF
On-chip RAM*,
512 bytes
External address space
On-chip register field
External address space
On-chip register field
H'FD80
H'FF7F
H'FF90
H'FF9F
H'FFB0
H'FFFF
On-chip RAM,
512 bytes
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 2-5. H8/323 Address Space Map
Fig. 2-5
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