UPD77115 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD77115

16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

NEC => Renesas Technology 

µPD77115, 77115A

6. MEMORY MAP

A Harvard architecture, in which the instruction memory space and data memory space are separated is employed.

6.1 Instruction Memory

6.1.1 Instruction memory map

0xFFFF

System

0xA000

0x9FFF

Instruction RAM

(8K words)

0x8000

0x7FFF

System

0x1000

0x0FFF

Instruction RAM

0x0240 (3.5K words)

0x023F

0x0200

Vector area (64 words)

0x01FF Boot-up ROM

0x0000 (512 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 U14867EJ5V0DS

21

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