MSM80C88A-10JS Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM80C88A-10JS

8-Bit CMOS MICROPROCESSOR

Oki Electric Industry 

¡ Semiconductor

FUNCTIONAL BLOCK DIAGRAM

MSM80C88A-10RS/GS/JS

Exeuction Unit

Register File

Data

Pointer

and

Index

Registers

(8 Words)

Bus Interface Unit

Relocation

Register File

Segment

Registers

and

Instruction

Pointer

(5 Words)

16Bit ALU

Flags

Bus

Interface

Unit

SS0

12 A1...9 / S6

A8

8 AD7 - AD0

4 INTA, RD, WR, IO/M

3 DT/R, DEN, ALE

4-byte

Instruction

Queue

TEST

INTR

NMI

RQ/GT0, 1 2

HOLD

HLDA

Control & Timing

LOCK

2 QS0, QS1

3 S2, S1, S0

3

CLK RESET READY MN/MX GND

VCC

2/37

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