Sharp SF-1020, SF-1120 service manual O IC8 CXD1095Q, Oden, Vdd

(3) I/O (IC8) CXD1095Q

1General

I/O converts data (command) from the CPU into control signals.

The CXD1095Q is a general-purpose interface element, and has 4.5 sets of 8-bit I/O ports to allow setting of input and output operations of parallel data by the program or the hardware.

2Features

8-bit parallel I/O port x 4.5 ports

3Pin arrangement

51 33

52

SONY JAPAN

CXD1095Q

64

0 19

32

20

Pin

Pin name

I/O

Pin

Pin name

I/O

Pin

Pin name

I/O

Pin

Pin name

I/O

No.

No.

No.

No.

1

N.C

—

17

PC6

I/O

33

N.C

—

49

PE0

I/O

2

N.C

—

18

PC7

I/O

34

N.C

—

50

PE1

I/O

3

PB1

I/O

19

N.C

—

35

D3

I/O

51

N.C

—

4

PB2

I/O

20

PD0

I/O

36

D4

I/O

52

PE2

I/O

5

PB3

I/O

21

PD1

I/O

37

D5

I/O

53

PE3

I/O

6

PB4

I/O

22

PD2

I/O

38

D6

I/O

54

PA0

I/O

7

PB5

I/O

23

PD3

I/O

39

D7

I/O

55

PA1

I/O

8

PB6

I/O

24

PD4

I/O

40

I

56

PA2

I/O

CLR

9

PB7

I/O

25

Vss

—

41

I

57

Vss

—

ODEN

10

Vss

—

26

VDD

—

42

Vss

—

58

VDD

—

11

PC0

I/O

27

PD5

I/O

43

I

59

PA3

I/O

WR

12

PC1

I/O

28

PD6

I/O

44

I

60

PA4

I/O

RD

13

PC2

I/O

29

PD7

I/O

45

I

61

PA5

I/O

CS

14

PC3

I/O

30

D0

I/O

46

A0

I

62

PA6

I/O

15

PC4

I/O

31

D1

I/O

47

A1

I

63

PA7

I/O

16

PC5

I/O

32

D2

I/O

48

A2

I

64

PB0

I/O

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