3

µPD16331

PIN CONFIGURATION (Top View)

O20

VSS1

O19

O18

O17

O16

O15

O14

O13

O12

O11

O10

O9

O8

O7

O6

O5

O4

O3

O2

O1

VDD2

VSS2

VSS2

O21

VSS1

O22

O23

O24

O25

O26

O27

O28

O29

O30

O31

O32

O33

O34

O35

O36

O37

O38

O39

O40

VDD2

VSS2

VSS2

64

41

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

1

24

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Be sure to use all of the VDD1, VDD2, VSS1, and VSS2 pins. Use VSS1 and VSS2 at the same potential. The power

should be turned on for VDD1, logic input, and VDD2, in that order and should be turned off in the reverse order.