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Chapter 3 CPU Function
3
Fig. 3-2 Memory Map of
ยต
PD78212 (EA Pin Driven Low)
Notes 1. Accessed in 1M-byte expansion mode.
2. External SFR area
Remark The shaded areas indicate internal memory.
FFFFFH
10000H
0FFFFH
0FFDFH
0FFD0H
0FF00H
0FEFFH
0FD80H
0FD7FH
00000H
Data memory
Expansion address
Data
memory
Memory space (1M byte)
External memory Note 1
(960K bytes)
Special function registers (SFR)
(256 bytes)
Note 2
Internal RAM
(384 bytes)
External memory
(64896 bytes)
0FEC2H
0FEFFH
0FEE0H
0FEDFH
0FD80H
00800H
007FFH
00000H
General registers
(32 bytes)
Data area
(512 bytes)
Macro service control
words (30 bytes)
CALLF entry area
(2K bytes)
Program area
(1920 bytes)
CALLTtable area
(64 bytes)
Vector table area
(64 bytes)
00FFFH
00080H
0007FH
00040H
0003FH
Program memory/data memory
Ordinary address (64K bytes)