UPD77017GC-XXX-9EU 查看數據表（PDF） - NEC => Renesas Technology

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UPD77017GC-XXX-9EU

16 bits, Fixed-point Digital Signal Processor

NEC => Renesas Technology 

µPD77015, 77017, 77018

2.4.2 Data Memory Outline

The µPD77015 has two data memory areas (64K words × 16 bits each) in X and Y memory areas.

Each memory areas consists of 1K words × 16 bits data RAM and 2K words × 16 bits data ROM . As the

µPD77017 has interface with the external data memory, 16 K words × 16 bits external data memory space can

be add to X/Y memories.

The µPD77017 has two data memory areas (64K words × 16 bits each) in X and Y memory areas.

Each memory areas consists of 2K words × 16 bits data RAM and 4K words ×16 bits data ROM . As the

µPD77017 has interface with the external data memory, 16 K words × 16 bits external data memory space can

be add to X/Y memories.

The µPD77018 has two data memory areas (64K words × 16 bits each) in X and Y memory areas.

Each memory areas consists of 3K words × 16 bits data RAM and 12K words ×16 bits data ROM . As the

µPD77018 has interface with the external data memory, 16 K words × 16 bits external data memory space can

be add to X/Y memories.

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

µ PD77015

C000H

BFFFH

External Data Memory

(16K words)

µ PD77017

External Data Memory

(16K words)

µ PD77018

External Data Memory

(16K words)

System (30K words)

4800H

47FFH

4000H

3FFFH

3840H

383FH

3800H

37FFH

Data ROM (2K words)

System (1984 words)

Peripheral (64 words)

System (13K words)

0400H

03FFH

0000H

Data RAM (1K words)

System (28K words)

5000H

4FFFH

Data ROM (4K words)

System (1984 words)

Peripheral (64 words)

System (12K words)

0800H

07FFH

Data RAM (2K words)

System (20K words)

7000H

6FFFH

Data ROM (12K words)

System (1984 words)

Peripheral (64 words)

0C00H

0BFFH

System (11K words)

Data RAM (3K words)

Caution When any data is accessed or stored to system address, normal operation of the device is

not assured.

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