W83877TF(1998) Ver la hoja de datos (PDF) - Winbond

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W83877TF
(Rev.:1998)

WINBOND I/O

Winbond 

W83877TF

1.3 Multi-Mode Parallel Port, continued

SYMBOL PIN

I/O

ERR

29

INt

SLIN

INIT

OD12

OD12

22

OD12

OD12

OD12

21

OD12

OD12

OD12

FUNCTION

PRINTER MODE: ERR

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.

EXTENSION FDD MODE: HEAD2

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

of the HEAD pin.

EXTENSION 2FDD MODE: HEAD2

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

as that of the HEAD pin.

PRINTER MODE: SLIN

Output line for detection of printer selection. 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: STEP2

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

of the STEP pin.

EXTENSION 2FDD MODE: STEP2

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

as that of the STEP pin .

PRINTER MODE: INIT

Output line for the printer initialization. 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: DIR2

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

of the DIR pin.

EXTENSION 2FDD MODE: DIR2

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

as that of the DIR pin.

- 10 -

Publication Release Date: March 1998

Version 0.61

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