UPD78054 datasheet(6/62 Pages) NEC

Part #	UPD78054

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

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Manufacturer	NEC [NEC]

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

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6 / 62 page

6

µPD78001B(A), 78002B(A)

1

P20

2

P21

3

P22

4

P23

5

P24

6

P25/SI0/SB0

7

P26/SO0/SB1

8

P27/SCK0

9

P30

10

P31/TO1

11

P32/TO2

12

P33/TI1

13

P34/TI2

14

P35/PCL

15

P36/BUZ

16

P37

17

VSS

18

P40/AD0

19

P41/AD1

20

P42/AD2

21

P43/AD3

22

P44/AD4

23

P45/AD5

24

P46/AD6

25

P47/AD7

26

P50/A8

27

P51/A9

28

P52/A10

29

P53/A11

30

P54/A12

31

P55/A13

32

VSS

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

IC3

IC2

P17

P16

P15

P14

P13

P12

P11

P10

IC1

P04/XT1

XT2

IC0

X1

X2

VDD

P03/INTP3

P02/INTP2

P01/INTP1

P00/INTP0

RESET

P67/ASTB

P66/WAIT

P65/WR

P64/RD

P63

P62

P61

P60

P57/A15

P56/A14

1.

PIN CONFIGURATION (TOP VIEW)

64-Pin Plastic Shrink DIP (750 mil)

Remark

Always connect the IC0, IC1 and IC3 (Internally Connected) pins to VSS directly.

Always connect the IC2 pin to VDD directly.

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UPD78054 Datasheet(PDF) 6 Page - NEC

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