Datasheet
Section 2 CPU 
Rev. 3.00 Mar. 15, 2006 Page 10 of 526 
REJ09B0060-0300   
•  Power-down state 
Transition to power-down state by SLEEP instruction 
2.1  Address Space and Memory Map 
The address space of this LSI is 16 Mbytes, which includes the program area and data area. 
Figure 2.1 shows the memory map. 
Interrupt vector  Interrupt vector 
On-chip ROM
 (96 kbytes)
On-chip ROM
 (96 kbytes)
Not used
(1-kbyte work area
 for flash memory
 programming)
Internal I/O register
HD64F36049
HD64F36049G
(Flash memory version)
Internal I/O register
Not used
On-chip RAM
 (1 kbyte)
Internal I/O register
On-chip RAM
 (1 kbyte)
Internal I/O register
On-chip RAM
 (2 kbytes)
(1-kbyte user area)
On-chip RAM
 (2 kbytes)
Interrupt vector 
On-chip ROM
 (80 kbytes)
Not used
HD64336048
HD64336048G
(Masked ROM version)
Internal I/O register
Not used
On-chip RAM
 (2 kbytes)
Interrupt vector 
On-chip ROM
 (64 kbytes)
Not used
H'000000
H'00008B
H'00008C
H'00FFFF
H'FFFF7F
H'FFFF80
H'FFFB80
H'FFF77F
H'FFF600
H'FFEFFF
H'FFE800
H'FFFFFF
H'000000
H'00008B
H'00008C
H'013FFF
H'FFFF7F
H'FFFF80
H'FFFB80
H'FFF77F
H'FFF600
H'FFEFFF
H'FFE800
H'FFFFFF
H'000000
H'00008B
H'00008C
H'017FFF
H'FFFF7F
H'FFFF80
H'FFFB80
H'FFF77F
H'FFF600
H'FFEFFF
H'FFE800
H'FFFFFF
H'000000
H'00008B
H'00008C
H'017FFF
H'FFFF7F
H'FFFF80
H'FFFB80
H'FFFB7F
H'FFF77F
H'FFF780
H'FFF600
H'FFEFFF
H'FFE800
H'FFFFFF
HD64336047
HD64336047G
(Masked ROM version)
Internal I/O register
Not used
Not used
Not used
On-chip RAM
 (2 kbytes)
HD64336049
HD64336049G
(Masked ROM version)
Not used
Not used
Not used
On-chip RAM
 (1 kbyte)
Internal I/O register
On-chip RAM
 (2 kbytes)
Internal I/O register
Figure 2.1 Memory Map 










