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LPC47N227TQFP

100 Pin Super I/O with LPC Interface for Notebook Applications

SMSC -> Microchip 

TQFP/STQFP

PIN #

NAME

78

Paper End/

SYMBOL

PE/

FDC Write Data nWRDATA

79

Busy/

BUSY/

FDC Motor On 1 nMTR1

80

Acknowledge/ nACK/

FDC Drive

Select 1

nDS1

81

Error/

nERROR

FDC Head

nHDSEL

Select

82

Autofeed

nALF/

Output/

FDC Density nDRVDEN0

Select 0

(Note 4)

83

Strobe Output/ nSTROBE/

FDC Drive

Select 0

(Note 4)

nDS0

BUFFER

TYPE PER

FUNCTION1

I/

OD12

I/

OD12

I/

OD12

I/

OD12

DESCRIPTION

Another status output from the printer, a high

indicating that the printer is out of paper. Bit 5 of

the Printer Status Register reads the PE input.

Refer to Parallel Port description for use of this pin

in ECP and EPP mode.

See FDC Pin definition.

This is a status output from the printer, a high

indicating that the printer is not ready to receive

new data. Bit 7 of the Printer Status Register is the

complement of the BUSY input. Refer to Parallel

Port description for use of this pin in ECP and EPP

mode.

See FDC Pin definition.

A low active output from the printer indicating that it

has received the data and is ready to accept new

data. Bit 6 of the Printer Status Register reads the

nACK input. Refer to Parallel Port description for

use of this pin in ECP and EPP mode.

See FDC Pin definition.

A low on this input from the printer indicates that

there is a error condition at the printer. Bit 3 of the

Printer Status register reads the nERR input. Refer

to Parallel Port description for use of this pin in

ECP and EPP mode.

See FDC Pin definition.

(OD14/OP14)/

OD14

This output goes low to cause the printer to

automatically feed one line after each line is

printed. The nALF output is the complement of bit

1 of the Printer Control Register.

Refer to Parallel Port description for use of this pin

in ECP and EPP mode.

See FDC Pin definition.

(OD14/OP14)/

OD14

An active low pulse on this output is used to strobe

the printer data into the printer. The nSTROBE

output is the complement of bit 0 of the Printer

Control Register.

Refer to Parallel Port description for use of this pin

in ECP and EPP mode.

See FDC Pin definition.

10

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