W83877F Ver la hoja de datos (PDF) - Winbond

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W83877F

WINBOND I/O

Winbond 

W83877F

1.4 Multi-Mode Parallel Port, continued

SYMBOL PIN

I/O

PE

27

INt

SLCT

OD12

OUT12t

OD12

_

28

INt

OD12

OUT12t

OD12

_

FUNCTION

PRINTER MODE: PE

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

detected the end of the paper. 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.

EXTENSION FDD MODE: WD2

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

of the WD pin.

EXTENSION ADAPTER MODE: XA0

This pin is system address A0 for the Extension Adapter.

EXTENSION 2FDD MODE: WD2

This pin is for Extension FDD A and B; this function of this pin is

the same as that of the WD pin.

JOYSTICK MODE: NC pin.

PRINTER MODE: SLCT

An active high input on this pin indicates that the printer is

selected. 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.

EXTENSION FDD MODE: WE2

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

those of the WE pin.

EXTENSION ADAPTER MODE: XA1

This pin is system address A1 for the Extension Adapter.

EXTENSION 2FDD MODE: WE2

This pin is for Extension FDD A and B; this function of this pin is

the same as that of the WE pin.

JOYSTICK MODE: NC pin.

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