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CD1284

IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports

Intel 

IEEE 1284-Compatible Parallel Interface Controller — CD1284

Pin Name

OUTEN

CLK

CLK/2

DB[15:0]

A[6:0]

R/W*

CS*

DS*

BYTESWAP

DTACK*

DMAREQ*

DMAACK*

SVCREQR*

SVCACKR*

SVCREQT*

SVCACKT*

SVCREQP*

SVCACKP*

SVCREQM*

SVCACKM*

DGRANT*

DPASS*

PD[7:0]

GP[7:0]

A_1284

HstBsy

HstClk

nInit

AkDaRq

PerBsy

PerClk

nDatAv

Xflag

EBDIR

PDBEN

TXD3

Type

Number

of Pins

Pin

Number

(Sheet 2 of 3)

I

1

83

I

1

73

O

1

80

I/O

16

92–99, 2–

9

I

7

84–90

I

1

76

I

1

78

I

1

77

I

1

82

AR

1

75

O

1

13

I

1

12

OD

1

61

I

1

62

OD

1

63

I

1

64

OD

1

68

I

1

69

OD

1

66

I

1

67

I

1

70

O

1

71

I/O

8

41–48

I/O

8

53–60

I

1

31

I

1

32

I

1

33

I

1

34

O

1

35

O

1

36

O

1

37

O

1

38

O

1

39

O

1

49

O

1

51

O

1

16

Reset

State

n/a

TS

High

High

High

TS

TS

Low

High

High

Low

High

Low

High

Datasheet

19

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