LPC61W492 Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC61W492

Integrated Super I/O Controller for LPC Bus with Game and MIDI Ports/Plus Hardware Monitoring Functions

SMSC -> Microchip 

Multi-Mode Parallel Port, continued

SYMBOL

PIN

I/O

FUNCTION

BUSY

33

INt

PRINTER MODE:

An active high input indicates that the printer is not ready

to receive data. This pin is pulled high internally. Refer to

the description of the parallel port for definition of this pin

in ECP and EPP mode.

OD12 EXTENSION FDD MODE: nMOB2

This pin is for Extension FDD B; its function is the same as

the nMOB pin of FDC.

OD12 EXTENSION 2FDD MODE: nMOB2

This pin is for Extension FDD A and B; its function is the

same as the nMOB pin of FDC.

nACK

34

INt

PRINTER MODE: nACK

An active low input on this pin indicates that the printer has

received data and is ready to accept more data. This pin

is pulled high internally. Refer to the description of the

parallel port for the definition of this pin in ECP and EPP

OD12 mode.

EXTENSION FDD MODE: nDSB2

This pin is for the Extension FDD B; its functions is the

OD12 same as the nDSB pin of FDC.

EXTENSION 2FDD MODE: nDSB2

This pin is for Extension FDD A and B; its function is the

same as the nDSB pin of FDC.

nERR

45

INt

PRINTER MODE: nERR

An active low input on this pin indicates that the printer has

encountered an error condition. This pin is pulled high

internally. Refer to the description of the parallel port for

the definition of this pin in ECP and EPP mode.

OD12 EXTENSION FDD MODE: nHEAD2

This pin is for Extension FDD B; its function is the same as

OD12 the nHEADpin of FDC.

EXTENSION 2FDD MODE: nHEAD2

This pin is for Extension FDD A and B; its function is the

same as the nHEAD pin of FDC.

12

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