Datasheet

Section 2 CPU
Rev. 6.00 Mar. 24, 2006 Page 14 of 412
REJ09B0142-0600
2.1 Address Space and Memory Map
The address space of this LSI is 64 kbytes, which includes the program area and the data area.
Figures 2.1 show the memory map.
Interrupt vector
On-chip ROM
(32 kbytes)
Not used
(1-kbyte work area
for flash memory
programming)
Internal I/O register
H'0000
H'0033
H'0034
H'7FFF
H'F780
H'FB7F
H'FF7F
H'FF80
H'FB80
H'FFFF
HD64F3664
(Flash memory version)
HD6433660
(Mask ROM version)
HD6433661
(Mask ROM version)
Interrupt vector
On-chip ROM
(8 kbytes)
Not used
On-chip RAM
(512 bytes)
Internal I/O register
H'0000
H'0033
H'0034
H'FD80
H'FF7F
H'FF80
H'FFFF
H'1FFF
Interrupt vector
On-chip ROM
(12 kbytes)
Not used
On-chip RAM
(512 bytes)
Internal I/O register
H'0000
H'0033
H'0034
H'FD80
H'FF7F
H'FF80
H'FFFF
H'2FFF
(1-kbyte user area)
On-chip RAM
(2 kbytes)
Figure 2.1 Memory Map (1)