UPD75008GB datasheet(7/66 Pages) NEC

Part #	UPD75008GB

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

Download	66 Pages

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Manufacturer	NEC [NEC]

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

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7 / 66 page

µPD75004, 75006, 75008

7

Pin names

P00-P03 : Port 0

SO

: Serial Output

P10-P13 : Port 1

SB0,SB1

: Serial Bus 0,1

P20-P23 : Port 2

RESET

: Reset Input

P30-P33 : Port 3

TI0

: Timer Input 0

P40-P43 : Port 4

PTO0

: Programmable Timer Output 0

P50-P53 : Port 5

BUZ

: Buzzer Clock

P60-P63 : Port 6

PCL

: Programmable Clock

P70-P73 : Port 7

INT0, 1, 4

: External Test Interrupt 0,1,4

P80-P81 : Port 8

INT2

: External Test Input 2

KR0-KR7 : Key Return

X1, 2

: Main System Clock Oscillation 1,2

SCK

: Serial Clock

XT1, 2

: Subsystem Clock Oscillation 1,2

SI

: Serial Input

NC

: No Connection

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UPD75008GB Datasheet(PDF) 7 Page - NEC

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