Z86E74 데이터 시트보기 (PDF) - Zilog

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Z86E74

INFRARED REMOTE CONTROLLERS

Zilog 

PRELIMINARY

GENERAL DESCRIPTION (Continued)

Z86E73/E74/L73/L74

CP95LVO0801

I/O Bit

Programmable

P00

P01

P02

4

P03

P04

P05

4

P06

P07

P10

P11

P12

P13

8

P14

P15

P16

P17

P20

P21

P22

P23

P24

P25

P26

P27

Port 0

Port 1

Port 2

Port 4

8

Port 5

8

Port 6

4

Register File

512 or 1K x 8-bit

Register Bus

ROM

16K/32K x 8

Internal

Address Bus

Internal Data Bus

Z8 Core

Extended

Register

File

Extended

Register Bus

Port 3

Machine

Timing

&

Instruction

Control

Counter/Timer 8

8-Bit

Counter/Timer 16

16-Bit

Power

P31

P32

P33

P34

P35

P36

P37

XTAL

/AS

/DS

R/W

/RESET

VDD

VSS

Z86E74/L74

version only

Functional Block Diagram

2

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