UPD78361A Datasheet, PDF (14/88 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78361A, 78362A
2. CPU ARCHITECTURE
2.1 MEMORY SPACE
The µPD78362A can access a memory space of 64K bytes. Figure 2-1 and 2-2 show the memory map.
Figure 2-1. Memory Map (µPD78361A)
FFFFH
FF00H
FEFFH
FF00H
Data memoryFDFFH
Memory space
(64 K × 8)
F700H
F6FFH
MODE = L
Special function register
(SFR)
(256 × 8)
Main RAM
(256 × 8)
Peripheral RAM
(1792 × 8)
Cannot be used
8000H
7FFFH
Program memory
Data memory
Internal ROM
(32768 × 8)
0000H
FEFFH General-purpose
FE80H register (128 × 8)
FE25H
FE06H
Macro service
control (32 × 8)
F700H
Data area
(768 × 8)
7FFFH
Program area
1000H
0FFFH _{CALLF instruction entry area}
0800H
(2048 × 8)
07FFH
Program area
0080H
007FH
CALLT instruction table area
(64 × 8)
0040H
003FH
0000H
Vector table area
(64 × 8)
Caution For word access (including stack operations) to the main RAM area (FE00H-FEFFH), the
address that specifies the operand must be an even value.
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