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

Número de pieza

componentes Descripción

Lista de partido

FDC87W22

Power I/O Controller

SMSC -> Microchip 

SYMBOL

PIN

I/O

FUNCTION

PD1

10

I/O24t 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

INt

mode.

EXTENSION FDD MODE: nTRAK02

I/O24t

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

same as that of the nTRAK0 pin. This pin is pulled high

internally.

EXTENSION ADAPTER MODE: XD1

INt

This pin is system data bus D1 for the Extension Adapter.

EXTENSION. 2FDD MODE: nTRAK02

I/O24t

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

is the same as nTRAK0 pin. This pin is pulled high internally.

JOYSTICK MODE: JP1

This pin is the paddle 1 input for joystick.

PD2

11

I/O24t 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

INt

mode.

EXTENSION FDD MODE: nWP2

I/O24t

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

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

internally.

EXTENSION ADAPTER MODE: XD2

INt

This pin is system data bus D2 for the Extension Adapter.

EXTENSION. 2FDD MODE: nWP2

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

-

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

internally.

JOYSTICK MODE: NC pin

15

Share Link: