UPD77113A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD77113A

16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS

NEC => Renesas Technology 

µPD77113A, 77114

7.2 Data Memory

7.2.1 Data memory map

The data memory space consists of an X memory space and a Y memory space of 64K words × 16 bits each, and

the memory capacity and memory type differ depending on the product.

0 x FFFF

0 xE0 0 0

0 xDFFF

0 xC000

0 xBFFF

µ PD77113A

Data RAM

(8K words)

System

µ PD77114

Data RAM

(8K words)

External data

memory

(8K words)

Data ROM

(32K words)

Data ROM

(32K words)

0x4000

0 x 3FFF

0x3840

0x383F

0x3800

0 x 3 7FF

0x3000

0 x 2FFF

0x2000

0 x 1FFF

0x1000

0 x 0FFF

0x0000

System

Peripheral

(64 words)

System

Data RAM

(4K words)

System

Data RAM

(4K words)

System

Peripheral

(64 words)

System

Data RAM

(4K words)

System

Data RAM

(4K words)

Caution Programs and data cannot be placed at addresses reserved for the system, nor can these

addresses be accessed. If these addresses are accessed, the normal operation of the device

cannot be guaranteed.

Data Sheet U14373EJ3V0DS

27

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