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CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U16035EJ1V0UM
Figure 3-3. Memory Map (
µ
PD780023AS, 780033AS)
0000H
Data memory
space
General-purpose
registers
32
×
8 bits
Internal ROM
24576
×
8 bits
5FFFH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
CALLF entry area
CALLT table area
Vector table area
Program area
Program area
Program
memory
space
6000H
5FFFH
FEE0H
FEDFH
FF00H
FEFFH
FFFFH
Internal high-speed RAM
1024
×
8 bits
Special function
registers (SFRs)
256
×
8 bits
Reserved
FB00H
FAFFH