W83697F Просмотр технического описания (PDF) - Winbond

Номер в каталоге

Компоненты Описание

производитель

W83697F

WINBOND I/O

Winbond 

W83697HF

1.3 Multi-Mode Parallel Port, continued

SYMBOL PIN

I/O

PD3

39

I/O12t

INt

INt

PD4

38

I/O12t

INt

INt

PD5

37

I/O12t

-

-

PD6

36 I/OD12t

-

OD12

PD7

35 I/OD12t

-

OD12

FUNCTION

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#

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

the RDATA# pin of FDC. It is pulled high internally.

PRINTER MODE: PD4

Parallel port data bus bit 4. Refer to the description of the parallel

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

EXTENSION FDD MODE: DSKCHG2#

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

as the DSKCHG# pin of FDC. It is pulled high internally.

EXTENSION 2FDD MODE: DSKCHG2#

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

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

PRINTER MODE: PD5

Parallel port data bus bit 5. Refer to the description of the parallel

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

EXTENSION FDD MODE: This pin is a tri-state output.

EXTENSION 2FDD MODE: This pin is a tri-state output.

PRINTER MODE: PD6

Parallel port data bus bit 6. Refer to the description of the parallel

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

EXTENSION FDD MODE: This pin is a tri-state output.

EXTENSION. 2FDD MODE: MOA2#

This pin is for Extens ion FDD A; its function is the same as the

MOA# pin of FDC.

PRINTER MODE: PD7

Parallel port data bus bit 7. Refer to the description of the parallel

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

EXTENSION FDD MODE: This pin is a tri-state output.

EXTENSION 2FDD MODE: DSA2#

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

DSA# pin of FDC.

- 12 -

Publication Release Date:Feb. 2002

Revision 0.70

Share Link: