Description of main lsi’s – Sharp ER-A440 User Manual

Page 9

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2. Description of main LSI’s

2-1. CPU (HD6415108-10)

1) Pin configuration

HD6415108-10 pin configuration

Fig. 2-1

RES

NMI

VSS

P10

P11
P12

P13

P14

P15

P16

P17

D0

D1
D2

D3

D4

D5

D6

D7

VSS

A0
A1

A2

A3

A4

A5

A6

A7

1

2

3

4

5
6

7

8

9

10

11

12

13
14

15

16

17

18

19

20

21
22

23

24

25

26

27

28

STBY

MD2

MD1

MD0

VCC

RFSH

LWR

HWR

RD

AS

E

VSS

XTAL

EXTAL

VSS

TX

D2

RXD2

TX

D1

RXD1

SCK2

UASKC

IR

Q1

IR

Q0

VCC

AVCC

AN3

AN2

112

111

110

109

108

107

106

105

104

103

102

101

100

99

98

97

96

95

94

93

92

91

90

89

88

87

86

85

P41

P42

P43

P44

P45

P46

P47

VSS

P50

P51

P52

P53

P54

P55

P56

P57/STOP

P60

P61

P62

P63

P64

P65

P66

P67

VSS

AVSS

AN0

AN1

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

78

80

81

82

83

84

A8

A9

A10

A11

A12

A13

A14

A15

VSS

A16

A17

A18

A19

A20

A21

A22

A23

VSS

WAIT

BACK

BREQ

P33

P34

P35

P36

P37

VCC

P40

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

X

4 – 2

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