LPC47U332 Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC47U332

100 Pin Enhanced Super I/O for LPC Bus with Consumer Features and SMBus Controller

SMSC -> Microchip 

DESCRIPTION OF PIN FUNCTIONS

The pins that have multiple functions are named

with the primary function first. The primary

function is the function of the pin at default. For

example, GP40/DRVDEN0 pin has the primary

function of GP40.

QFP

PIN #

1

2

3

5

8

9

10

11

12

13

14

15

16

4

20

21

22

23

24

25

26

27

29

30

NAME

GP40/DRVDEN0

GP41/DRVDEN1

nMTR0

nDS0

nDIR

nSTEP

nWDATA

nWGATE

nHDSEL

nINDEX

nTRK0

nWRTPRT

nRDATA

nDSKCHG

LAD0

LAD1

LAD2

LAD3

nLFRAME

nLDRQ

nPCI_RESET

nLPCPD

PCI_CLK

SER_IRQ

TABLE 1 - PIN FUNCTION DESCRIPTION

FUNCTION

BUFFER

TYPE

FDD INTERFACE

General Purpose I/O/Drive

Density Select 0

IO12

General Purpose I/O/Drive

Density Select 1

IO12

Motor On 0

O12

Drive Select 0

O12

Step Direction

O12

Step Pulse

O12

Write Disk Data

O12

Write Gate

O12

Head Select

O12

Index Pulse Input

IS

Track 0

IS

Write Protected

IS

Read Disk Data

IS

Disk Change

IS

LPC INTERFACE

Multiplexed Command

Address and Data 0

PCI_IO

Multiplexed Command

Address and Data 1

PCI_IO

Multiplexed Command

Address and Data 2

PCI_IO

Multiplexed Command

Address and Data 3

PCI_IO

Frame

PCI_I

Encoded DMA Request

PCI_O

PCI Reset

PCI_I

Power Down (Note 2)

PCI_I

PCI Clock

PCI_ICLK

Serial IRQ

PCI_IO

BUFFER MODE PER

FUNCTION (NOTE 1)

IO12/(O12/OD12)

IO12/(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

(O12/OD12)

IS

IS

IS

IS

IS

PCI_IO

PCI_IO

PCI_IO

PCI_IO

PCI_I

PCI_O

PCI_I

PCI_I

PCI_ICLK

PCI_IO

7

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