UPD77019-013 查看數據表（PDF） - NEC => Renesas Technology

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UPD77019-013

16 bits, Fixed-point Digital Signal Processor

NEC => Renesas Technology 

µPD77019-013

2.4.1 Instruction RAM Outline

The µPD77019-013 has an instruction RAM (4K words × 32 bits).

A system vector area is assigned to 64 words of the instruction RAM. Internal instruction RAM is initialized

and rewritten by boot program.

Boot up ROM contains the program loading instruction code to internal instruction RAM.

0 x FFFF

µ PD77019-013

System (61 K words)

0x1200

0 x 1 1FF

0x0240

0x023F

0x0200

0 x 0 1FF

0x0100

0 x 0 0FF

0x0000

Internal Instruction RAM

(4 K words)

Vector (64 words)

System (256 words)

Bootup ROM (256 words)

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

not assured.

20

Preliminary Data Sheet

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