W83637HF Datasheet, PDF(19/149 Page) Winbond

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W83637HF Datasheet, PDF (19/149 Pages) Winbond – LPC I/O

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W83637HF

Multi-Mode Parallel Port, continued

SYMBOL

PD4

I/O

38 I/O12ts

DSKCHG2#

INts

PD3

39 I/O12ts

RDATA2#

INts

PD2

WP2#

40 I/O12ts

INts

PD1

41 I/O12ts

TRAK02#

INts

FUNCTION

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: 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: 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; its function 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; its function is the same as

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

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; its function 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; its function is the same as

the TRAK0# pin of FDC. It is pulled high internally.

- 14 -

Publication Release Date: June 25, 2003

Revision 1.3

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