W83877TF Datasheet, PDF(22/154 Page) Winbond – I/O chip disk drive adapter

English

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

W83877TF Datasheet, PDF (22/154 Pages) Winbond – I/O chip disk drive adapter

◁

W83877TF

1.3 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 the description of the

parallel port for the 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 that of the TRAK0 pin. This pin is pulled high internally.

EXTENSION. 2FDD MODE: TRAK02

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

the same as TRAK0 pin. This pin is pulled high internally.

PRINTER MODE: PD2

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

parallel port for the 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 that of the WP pin. This pin is pulled high internally.

EXTENSION. 2FDD MODE: WP2

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

the same as that of the WP pin. This pin is pulled high internally.

PRINTER MODE: PD3

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

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

EXTENSION FDD MODE: RDATA2

Motor on B for Extension FDD B; the function of this pin is the

same as that of the RDATA pin. This pin 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 that of the RDATA pin. This pin is pulled high

internally.

- 12 -

Publication Release Date: March 1998

Version 0.61

▷