W83977F Datasheet, PDF(25/181 Page) Winbond – PLUG & PLAY 1.0A COMPLIANT

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

W83977F Datasheet, PDF (25/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT

◁

W83977F/ W83977AF

PRELIMINARY

1.5 Multi-Mode Parallel Port, continued

SYMBOL PIN

I/O

PD1

I/O24t

INt

PD2

I/O24t

INt

PD3

I/O24t

INt

FUNCTION

PRINTER MODE: PD1

Parallel port data bus bit 1. Refer to description of the parallel

port for definition of this pin in ECP and EPP mode. .

EXTENSION FDD MODE: TRAK02

This pin is for Extension FDD B; the function of this pin is the

same as the TRAK0 pin of FDC. It is pulled high internally..

EXTENSION. 2FDD MODE: TRAK02

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

the same as the TRAK0 pin of FDC. It is pulled high internally.

PRINTER MODE: PD2

Parallel port data bus bit 2. Refer to description of the parallel

port for definition of this pin in ECP and EPP mode..

EXTENSION FDD MODE: WP2

This pin is for Extension FDD B; the function of this pin is the

same as the WP pin of FDC. It is pulled high internally.

EXTENSION. 2FDD MODE: WP2

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

the same as the WP pin of FDC. It is pulled high internally.

PRINTER MODE: PD3

Parallel port data bus bit 3. Refer to description of the parallel

port for definition of this pin in ECP and EPP mode.

EXTENSION FDD MODE: RDATA2

This pin is for Extension FDD B; the function of this pin is the

same as the RDATA pin of FDC. It is pulled high internally.

EXTENSION 2FDD MODE: RDATA2

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

the same as the RDATA pin of FDC. It is pulled high internally.

Publication Release Date: March 1998

-14-

Revision 0.58

▷