FDC87W22 Ver la hoja de datos (PDF) - SMSC -> Microchip

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FDC87W22

Power I/O Controller

SMSC -> Microchip 

SYMBOL

PIN

I/O

FUNCTION

PD5

14

I/O24t 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:

I/O24t

This pin is a tri-state output.

EXTENSION ADAPTER MODE: XD5

-

This pin is system data bus D5 for the Extension Adapter

EXTENSION 2FDD MODE:

INt

This pin is a tri-state output.

JOYSTICK MODE: JB1

This pin is the button 1 input for the joystick.

PD6

16

I/O24t 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.

I/O24t

EXTENSION FDD MODE:

This pin is a tri-state output.

OD24

EXTENSION ADAPTER MODE: XD6

This pin is system data bus D6 for the Extension Adapter

EXTENSION. 2FDD MODE: nMOA2

-

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

that of the nMOA pin.

JOYSTICK MODE: NC pin

PD7

17

I/O24t 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:

I/O24t

This pin is a tri-state output.

EXTENSION ADAPTER MODE: XD7

OD24

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

EXTENSION 2FDD MODE: nDSA2

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

-

that of the nDSA pin.

JOYSTICK MODE: NC pin

17

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