LPC47S422QFP datasheet(9/264 Pages) SMSC

Part #	LPC47S422QFP

Description	ENHANCED SUPER I/O WITH LPC INTERFACE FOR SERVER APPLICATIONS

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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9

PIN #

NAME

FUNCTION

BUFFER

TYPE

BUFFER TYPE PER

FUNCTION (NOTE 1)

51

GP30/SCLK/

nXCS2/XA2

General Purpose I/O/SMBus

Clock/X-Bus Chip Select 2/X-Bus

Address 2

IO12

(I/O12/OD12)/

IOD12/O12/O12

54

GP32/SDAT/XA0

General Purpose I/O/SMBus

Data/X-Bus Address 0

IO12

(I/O12/OD12)/

IOD12/O12

FAN CONTROL PINS

52

GP31/FAN_TACH/

nXCS3/XA3

General Purpose I/O/Fan

Tachometer Input/X-Bus Chip

Select 3/X-Bus Address 3

IO8

(I/O8/OD8)/I/O8/

O8

55

GP33 /FAN/XA1

General Purpose I/O /Fan

Control/X-Bus Address 1 (Note 4)

IO12

(I/O12/OD12)/

(O12/OD12)/O12

KEYBOARD/MOUSE

56

KDAT

Keyboard Data

IOD16

57

KCLK

Keyboard Clock

IOD16

58

MDAT

Mouse Data

IOD16

59

MCLK

Mouse Clock

IOD16

63

GP36/nKBDRST

General Purpose I/O /Keyboard

Reset (Note 8)

IO8

(I/O8/OD8)/O8

64

GP37/A20M

General Purpose I/O /Gate A20

(Note 8)

IO8

(I/O8/OD8)/O8

PARALLEL PORT INTERFACE

66

nINIT/nDIR

Initiate Output/FDC Direction

Control

OP14

(OD14/OP14)/

OD14

67

nSLCTIN/nSTEP

Printer Select Input/FDC Step

Pulse

OP14

(OD14/OP14)/

OD14

68

PD0/nINDEX

Port Data 0/FDC Index

IS/OP14

IOP14/IS

69

PD1/nTRK0

Port Data 1/FDC Track 0

IS/OP14

IOP14/IS

70

PD2/nWRTPRT

Port Data 2/FDC Write Protected

IS/OP14

IOP14/IS

71

PD3/nRDATA

Port Data 3/FDC Read Disk Data

IS/OP14

IOP14/IS

72

PD4/nDSKCHG

Port Data 4/FDC Disk Change

IS/OP14

IOP14/IS

73

PD5

Port Data 5

IOP14

74

PD6/nMTR0

Port Data 6/FDC Motor On 0

IOP14

IOP14/OD14

75

PD7

Port Data 7

IOP14

77

SLCT/nWGATE

Printer Selected Status/FDC Write

Gate

IO12

I/OD12

78

PE/nWDATA

Paper End/FDC Write Data

IO12

I/OD12

79

BUSY/nMTR1

Busy/FDC Motor On

IO12

I/OD12

80

nACK/nDS1

Acknowledge/FDC Drive Select 1

IO12

I/OD12

81

nERROR/nHDSEL

Error/FDC Head Select

IO12

I/OD12

82

nALF/nDRVDEN0

Autofeed Output/FDC Density

Select

OP14

(OD14/OP14)/

OD14

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LPC47S422QFP Datasheet(PDF) 9 Page - SMSC Corporation

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