LPC47B37X datasheet(7/254 Pages) SMSC

Part #	LPC47B37X

Description	100 Pin Enhanced Super I/O for LPC Bus with SMBus Controller for Commercial Applications

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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7

PIN #

NAME

FUNCTION

BUFFER

TYPE

BUFFER TYPE PER

FUNCTION (NOTE 1)

41

GP20 /P17 /nDS1

General Purpose I/O / P17

/Drive Select 1

IO12

(I/O12/OD12)

/IO12/(O12/OD12)

42

GP21 /P16 /IRQ6

General Purpose I/O / P16

/IRQ6

IO8

(I/O8/OD8)/IO8/I

43

GP22 /P12/ nMTR1

General Purpose I/O / P12 /

Motor On 1

IO12

(I/O12/OD12)

/IO12/(O12/OD12)

44

GP23

General Purpose I/O

IO8

(I/O8/OD8)

45

GP24 /SYSOPT

General Purpose I/O / System

Option (Note 7)

IO8

(I/O8/OD8)

46

GP25

General Purpose I/O

IO8

(I/O8/OD8)

47

GP26

General Purpose I/O

IO8

(I/O8/OD8)

50

GP27 /nIO_SMI

General Purpose I/O /nIO_SMI

IO12

(I/O12/OD12)/ OD12

61

GP34 /IRQ12

General Purpose I/O /IRQ12

IO8

(I/O8/O8)/I

62

GP35 /IRQ14

General Purpose I/O /IRQ14

IO8

(I/O8/O8)/I

17

GP42 /nIO_PME

General Purpose I/O / Power

Management Event

IO12

(I/O12/OD12)/ OD12

28

GP43/DDRC/

FDC_PP

General Purpose I/O / Device

Disable Reg. Control / FDC on

Parallel Port

IO8

(I/O8/OD8)/I/I

48

GP60 /LED1

General Purpose I/O / LED1

(Note 9,)

IO12

(I/O12/OD12)/

(O12/OD12)

49

GP61 /LED2

General Purpose I/O / LED2

(Note 9)

IO12

(I/O12/OD12)/

(O12/OD12)

40

GP62/P17

General Purpose I/O /P17

IO8

(I/O8/OD8)/IO8

SMBus PINS

51

GP30 / SCLK

General Purpose I/O / SMBus

Clock

IO12

(I/O12/OD12)/

IOD12

54

GP32 /SDAT

General Purpose I/O /SMBus

Data

IO12

(I/O12/OD12)/

IOD12

FAN CONTROL PINS

52

GP31 /FAN_TACH

General Purpose I/O /Fan

Tachometer Input

IO8

(I/O8/OD8)/I

55

GP33 /FAN

General Purpose I/O /Fan

Control (Note 4)

IO12

(I/O12/OD12)/

(O12/OD12)

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 (Active low)

(Note 8)

IO8

(I/O8/OD8)/O8

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