UPD78001BCWA datasheet(9/62 Pages) NEC

Part #	UPD78001BCWA

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

Download	62 Pages

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Manufacturer	NEC [NEC]

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

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9 / 62 page

9

µPD78001B(A), 78002B(A)

2.

BLOCK DIAGRAM

P01-P03

P10-P17

P20-P27

P30-P37

P40-P47

P50-P57

P60-P67

AD0/P40-

AD7/P47

A8/P50-

A15/P57

RD/P64

WR/P65

WAIT/P66

ASTB/P67

PORT0

PORT1

PORT2

PORT3

PORT4

PORT5

PORT6

EXTERNAL

ACCESS

78K/0

CPU CORE

8-bit TIMER/

EVENT COUNTER 1

8-bit TIMER/

EVENT COUNTER 2

WATCHDOG TIMER

WATCH TIMER

SERIAL

INTERFACE 0

INTERRUPT

CONTROL

TO1/P31

TI1/P33

TO2/P32

TI2/P34

SI0/SB0/P25

SO0/SB1/P26

SCK0/P27

INTP0/P00 –

INTP3/P03

P00

P04

ROM

RAM

BUZZER OUTPUT

BUZ/P36

CLOCK OUTPUT

CONTROL

PCL/P35

RESET

X1

X2

XT1/P04

XT2

SYSTEM

CONTROL

VDD

VSS

IC0-

IC3

Remark

Internal ROM & RAM capacity varies depending on the product.

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UPD78001BCWA Datasheet(PDF) 9 Page - NEC

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