CHAPTER 3 CPU ARCHITECTURE
Figure 3-5. Memory Map (µPD789446, 789456)
FFFFH
Special function registers
256 × 8 bits
FF00H
FEFFH
Internal high-speed RAM
512 × 8 bits
FD00H
FCFFH
Reserved
FA0FH
FA0EH
LCD display RAM
15 × 4 bits
Data
FA00H
F9FFH
memory space
3FFFH
Reserved
4000H
3FFFH
Program area
0080H
007FH
Internal ROM
Program
memory space
16384 × 8 bits
CALLT table area
Program area
0040H
003FH
0022H
0021H
Vector table area
0000H
0000H
User’s Manual U15075EJ1V0UM00
51