W83877F 데이터 시트보기 (PDF) - Winbond

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W83877F

WINBOND I/O

Winbond 

W83877F

1.4 Multi-Mode Parallel Port, continued

SYMBOL PIN

I/O

PD6

16

I/O24t

-

I/O24t

OD24

PD7

-

17

I/O24t

-

I/O24t

OD24

-

FUNCTION

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 ADAPTER MODE: XD6

This pin is system data bus D6 for the Extension Adapter

EXTENSION. 2FDD MODE: MOA2

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

of the MOA pin.

JOYSTICK MODE: NC pin

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 ADAPTER MODE: XD7

This pin is system data bus D7 for the Extension Adapter.

EXTENSION 2FDD MODE: DSA2

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

of the DSA pin.

JOYSTICK MODE: NC pin

- 16 -

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