UPD78323 NEC, UPD78323 Datasheet - Page 18
UPD78323
Manufacturer Part Number
UPD78323
Description
16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
Datasheet
1.UPD78323.pdf
(86 pages)
- Current page: 18 of 86
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Memory Space
(64K
8)
Program Memory
Program Memory
Data Memory
Data Memory
Data Memory
Note Accessed in external memory expansion mode.
Caution For word access (including stack operations) to the main RAM area (FE00H-FEFFH), the address that
FEFFH
FDFFH
FAFFH
FFFFH
FE00H
FB00H
7FFFH
FF00H
8000H
0000H
specifies the operand must be an even value.
Special Function Register
External Memory
Peripheral RAM
Internal ROM
( PD78324)
(31488
(32768
Main RAM
(256
(768
(256
EA = H
(SFR)
8)
8)
8)
8)
8)
Note
Figure 2-1. Memory Map
FEFFH
FE2BH
FE80H
FE06H
FB00H
7FFFH
0FFFH
07FFH
007FH
003FH
1000H
0800H
0080H
0040H
0000H
Macro Service Control
CALLF Instruction Table Area
CALLF Instruction Entry Area
General Register
Vector Table Area
(128
(36
Program Area
Program Area
Data Area
(1024
(2048
(64
(64
8)
8)
8)
8)
8)
8)
0FFFH
0000H
•
•
PD78323
PD78324 ROM-Less Mode
External Memory
(64256
EA = L
8)
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