UPD750004A datasheet(7/84 Pages) NEC

7 / 84 page

µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)

•

44-pin plastic QFP (10

× 10 mm, 0.8 mm pitch)

µPD750004GB-×××-3BS-MTX, µPD750004GB(A)-×××-3BS-MTX

µPD750006GB-×××-3BS-MTX, µPD750006GB(A)-×××-3BS-MTX

µPD750008GB-×××-3BS-MTX, µPD750008GB(A)-×××-3BS-MTX

IC : Internally connected (Connect directly to VDD.)

PIN NAMES

P00 - 03

Port 0

Serial Output

P10 - 13

Port 1

SB0, SB1

Serial Data Bus 0, 1

P20 - 23

Port 2

RESET

Reset

P30 - 33

Port 3

TI0

Timer Input 0

P40 - 43

Port 4

PTO0, PTO1 :

Programmable Timer Output 0, 1

P50 - 53

Port 5

BUZ

Buzzer Clock

P60 - 63

Port 6

PCL

Programmable Clock

P70 - 73

Port 7

INT0, 1, 4

External Vectored Interrupt 0, 1, 4

P80, 81

Port 8

INT2

External Test Input 2

KR0 - KR7 :

Key Return 0 - 7

X1, X2

Main System Clock Oscillation 1, 2

SCK

Serial Clock

XT1, XT2

Subsystem Clock Oscillation 1, 2

Serial Input

No Connection

Internally Connected

P13/TI0

P00/INT4

P01/SCK

P02/SO/SB0

P03/SI/SB1

P80

P81

P30

P31

P32

P33

P72/KR6

P71/KR5

P70/KR4

P63/KR3

P62/KR2

P61/KR1

P60/KR0

P53

P52

P51

P50

44 43 42 41 40 39 38 37 36 35 34

12 13 14 15 16 17 18 19 20 21 22

UPD750004A Datasheet(PDF) 7 Page - NEC

UPD750004A Datasheet(HTML) 7 Page - NEC

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