UPD77015GC NEC, UPD77015GC Datasheet - Page 21

• Manufacturer Part Number: UPD77015GC
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

2.4.2 Data Memory Outline
be add to X/Y memories.
be add to X/Y memories.
be add to X/Y memories.
PD77017 has interface with the external data memory, 16 K words
PD77017 has interface with the external data memory, 16 K words
PD77018 has interface with the external data memory, 16 K words
BFFFH
The PD77015 has two data memory areas (64K words
Each memory areas consists of 1K words
The PD77017 has two data memory areas (64K words
Each memory areas consists of 2K words
The PD77018 has two data memory areas (64K words
Each memory areas consists of 3K words
Each data memory area includes on-chip peripheral area which consists of 64 words.
When the external data memory area is accessed, instruction cycle can be 2 or more by wait function.
FFFFH
C000H
3FFFH
Caution
47FFH
37FFH
03FFH
4800H
4000H
3840H
383FH
3800H
0400H
0000H
Data ROM (2K words)
External Data Memory
Peripheral (64 words)
Data RAM (1K words)
System (1984 words)
System (13K words)
When any data is accessed or stored to system address, normal operation of the device is
not assured.
System (30K words)
PD77015
(16K words)
4FFFH
07FFH
5000H
0800H
16 bits data RAM and 12K words 16 bits data ROM . As the
16 bits data RAM and 2K words
16 bits data RAM and 4K words 16 bits data ROM . As the
External Data Memory
Data RAM (2K words)
Peripheral (64 words)
Data ROM (4K words)
System (1984 words)
System (28K words)
System (12K words)
PD77017
(16K words)
16 bits each) in X and Y memory areas.
16 bits each) in X and Y memory areas.
16 bits each) in X and Y memory areas.
16 bits external data memory space can
16 bits external data memory space can
16 bits external data memory space can
PD77015, 77017, 77018
0BFFH
6FFFH
0C00H
7000H
16 bits data ROM . As the
Data ROM (12K words)
Data RAM (3K words)
Peripheral (64 words)
External Data Memory
System (20K words)
System (1984 words)
System (11K words)
PD77018
(16K words)
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