UPD75064CU datasheet(7/68 Pages) NEC

Part #	UPD75064CU

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

Download	68 Pages

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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7 / 68 page

7

µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)

2.

BLOCK DIAGRAM

BASIC

INTERVAL

TIMER

TIMER/

COUNTER

#0

SERIAL

INTERFACE

INTERRUPT

CONTROL

WATCH

TIMER

A/D

CONVERTER

INTBT

INTT0

INTCSI

INTW

TI0/P13

PTO0/P20

SI/SB1/P03

SO/SB0/P02

SCK/P01

INT0/P10

INT1/P11

INT2/P12

INT4/P00

BUZ/P23

AVREF

AVSS

ALU

ROM

PROGRAM

MEMORY

4096

× 8 BITS

( PD75064)

6016

× 8 BITS

( PD75066)

8064

× 8 BITS

( PD75068)

DECODE

AND

CONTROL

PROGRAM

COUNTER

CY

SP

BANK

GENERAL

REGISTER

RAM

DATA

MEMORY

512

× 4 BITS

BIT SEQ.

BUFFER

PORT 0

PORT 1

PORT 2

PORT 3

PORT 4

PORT 5

PORT 6

PORT 11

P00 - P03

P10 - P13

P20 - P23

P30 - P33

P40 - P43

P50 - P53

P60 - P63

P110 - P113

CLOCK

OUTPUT

CONTROL

CLOCK

DIVIDER

CLOCK GENERATOR

SUB

MAIN

STAND BY

CONTROL

fX/2N

CPU CLOCK

Φ

RESET

VSS

VDD

PCL/P22

XT1 XT2

X1 X2

KR0 - KR3

/ P60 - P63

4

8

µ

4

Note

AN0 - AN3

/ P110 - P113

AN4 - AN7

/ P60 - P63

Note

The

µPD75064 uses the program counter of a 12-bit configuration, the µPD75066 and µPD75068

use that of a 13-bit configuration.

Similar Part No. - UPD75064CU

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UPD75064CU Datasheet(PDF) 7 Page - NEC

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Similar Description - UPD75064CU

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