HD6473228P10V Datasheet, PDF (28/301 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
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
H'F77F
H'F780
External address
space
H'EFFF
H'F000
H'F77F
H'F780
On-chip ROM,
60 Kbytes
External address
space
H'EFFF
H'F780
On-chip ROM,
60 Kbytes
On-chip RAM*,
2 Kbytes
On-chip RAM*,
2 Kbytes
On-chip RAM,
2 Kbytes
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 2-1. H8/3257 Address Space Map
Fig. 2-1
18