LPC47B34X Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC47B34X

128 Pin Enhanced Super I/O with LPC Interface for Consumer Applications

SMSC -> Microchip 

DESCRIPTION OF PIN FUNCTIONS

Note: There are no internal pullups on any of the pins in the LPC47B34x.

PIN #

60

61

62

63

64

65

66

67

68

69

70

71

72

73

58

NAME

GP40 /DRVDEN0

FUNCTION

FDD INTERFACE

GPIO /Drive Density Select 0

GP41 /DRVDEN1/

nIOCHCK

nMTR0

nDSKCHG

nDS0

nDIR

nSTEP

nWDATA

nWGATE

nHDSEL

nINDEX

nTRK0

nWRTPRT

nRDATA

GP36/nMTR1

GPIO /Drive Density Select 1/

I/O Channel Check

Motor On 0

Disk Change

Drive Select 0

Step Direction

Step Pulse

Write Disk Data

Write Gate

Head Select

Index Pulse Input

Track 0

Write Protected

Read Disk Data

General Purpose I/O /Motor On 1

59

GP37/nDS1

General Purpose I/O /Drive Select 1

LPC INTERFACE

21

LAD0

Multiplexed Command Address and

Data 0

22

LAD1

Multiplexed Command Address and

Data 1

23

LAD2

Multiplexed Command Address and

Data 2

24

LAD3

Multiplexed Command Address and

Data 3

25

nLFRAME

Frame

26

nLDRQ

Encoded DMA Request

27

nPCI_RESET

PCI Reset

28

nLPCPD (Note 1) Power Down

30

PCI_CLK

PCI Clock

31

SER_IRQ

Serial IRQ

GENERAL PURPOSE I/O PINS

1

Reserved 2 /GP62 Reserved Function /General Purpose

I/O

BUFFER

TYPE

BUFFER TYPE

PER FUNCTION

(NOTE 6)

IO12

IO12

O12

IS

O12

O12

O12

O12

O12

O12

IS

IS

IS

IS

IO12

IO12

(I/O12/OD12)/

(O12/OD12)

(I/O12/0D12)/

(O12/OD12)/I

(O12/OD12)

IS

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

IS

IS

IS

IS

(I/O12/OD12)/

(O12/OD12)

(I/O12/OD12)/

(O12/OD12)

PCI_IO

PCI_IO

PCI_IO

PCI_IO

PCI_IO

PCI_IO

PCI_IO

PCI_IO

PCI_I

PCI_O

PCI_I

PCI_I

PCI_ICLK

PCI_IO

PCI_I

PCI_O

PCI_I

PCI_I

PCI_ICLK

PCI_IO

IS/O8

IS/O8/OD8

7

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